IDEMPIERE-308 Performance: Replace with StringBuilder / Thanks to Richard Morales and David Peñuela

org.adempiere.base.callout/src/org/compiere/model/CalloutAssignment.java

@@ -57,7 +57,7 @@ public class CalloutAssignment extends CalloutEngine
 			return "";
 
 		int M_Product_ID = 0;
-		String Name = null;
+		StringBuilder Name = null;
 		String Description = null;
 		BigDecimal Qty = null;
 		String sql = "SELECT p.M_Product_ID, ra.Name, ra.Description, ra.Qty "
@@ -74,7 +74,7 @@ public class CalloutAssignment extends CalloutEngine
 			if (rs.next())
 			{
 				M_Product_ID = rs.getInt (1);
-				Name = rs.getString(2);
+				Name = new StringBuilder(rs.getString(2));
 				Description = rs.getString(3);
 				Qty = rs.getBigDecimal(4);
 			}
@@ -94,9 +94,9 @@ public class CalloutAssignment extends CalloutEngine
 		{
 			mTab.setValue ("M_Product_ID", new Integer (M_Product_ID));
 			if (Description != null)
-				Name += " (" + Description + ")";
-			if (!".".equals(Name))
-				mTab.setValue("Description", Name);
+				Name.append(" (").append(Description).append(")");
+			if (!".".equals(Name.toString()))
+				mTab.setValue("Description", Name.toString());
 			//
 			String variable = "Qty";	//	TimeExpenseLine
 			if (mTab.getTableName().startsWith("C_Order"))

org.adempiere.base.callout/src/org/compiere/model/CalloutOrder.java

@@ -1317,8 +1317,9 @@ public class CalloutOrder extends CalloutEngine
 					BigDecimal total = available.subtract(notReserved);
 					if (total.compareTo(QtyOrdered) < 0)
 					{
-						String info = Msg.parseTranslation(ctx, "@QtyAvailable@=" + available
-							+ "  -  @QtyNotReserved@=" + notReserved + "  =  " + total);
+						StringBuilder msgpts = new StringBuilder("@QtyAvailable@=").append(available)
+								.append("  -  @QtyNotReserved@=").append(notReserved).append("  =  ").append(total);
+						String info = Msg.parseTranslation(ctx, msgpts.toString());
 						mTab.fireDataStatusEEvent ("InsufficientQtyAvailable",
 							info, false);
 					}

org.adempiere.base/src/org/compiere/model/MAccount.java

@@ -74,7 +74,7 @@ public class MAccount extends X_C_ValidCombination
 		int C_Project_ID, int C_Campaign_ID, int C_Activity_ID,
 		int User1_ID, int User2_ID, int UserElement1_ID, int UserElement2_ID)
 	{
-		StringBuffer info = new StringBuffer();
+		StringBuilder info = new StringBuilder();
 		info.append("AD_Client_ID=").append(AD_Client_ID).append(",AD_Org_ID=").append(AD_Org_ID);
 		//	Schema
 		info.append(",C_AcctSchema_ID=").append(C_AcctSchema_ID);
@@ -83,7 +83,7 @@ public class MAccount extends X_C_ValidCombination
 		
 		ArrayList<Object> params = new ArrayList<Object>();
 		//		Mandatory fields
-		StringBuffer whereClause =  new StringBuffer("AD_Client_ID=?"		//	#1
+		StringBuilder whereClause =  new StringBuilder("AD_Client_ID=?"		//	#1
 							+ " AND AD_Org_ID=?"
 							+ " AND C_AcctSchema_ID=?"
 							+ " AND Account_ID=?");			//	#4
@@ -422,7 +422,7 @@ public class MAccount extends X_C_ValidCombination
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer("MAccount=[");
+		StringBuilder sb = new StringBuilder("MAccount=[");
 		sb.append(getC_ValidCombination_ID());
 		if (getCombination() != null)
 			sb.append(",")
@@ -545,8 +545,8 @@ public class MAccount extends X_C_ValidCombination
 	 */
 	public void setValueDescription()
 	{
-		StringBuffer combi = new StringBuffer();
-		StringBuffer descr = new StringBuffer();
+		StringBuilder combi = new StringBuilder();
+		StringBuilder descr = new StringBuilder();
 		boolean fullyQualified = true;
 		//
 		MAcctSchema as = new MAcctSchema(getCtx(), getC_AcctSchema_ID(), get_TrxName());	//	In Trx!

org.adempiere.base/src/org/compiere/model/MAccountLookup.java

@@ -66,8 +66,10 @@ public final class MAccountLookup extends Lookup implements Serializable
 	 */
 	public String getDisplay (Object value)
 	{
-		if (!containsKey (value))
-			return "<" + value.toString() + ">";
+		if (!containsKey (value)){
+			StringBuilder msgreturn = new StringBuilder("<").append(value.toString()).append(">");
+			return msgreturn.toString();
+		}
 		return toString();
 	}	//	getDisplay
 
@@ -189,9 +191,9 @@ public final class MAccountLookup extends Lookup implements Serializable
 		
 		for(MAccount account :accounts)
 		{
-			list.add (new KeyNamePair(account.getC_ValidCombination_ID(), 
-					account.getCombination() + " - " + 
-					account.getDescription()));
+			StringBuilder msglist = new StringBuilder(account.getCombination()).append(" - ") 
+												.append(account.getDescription());
+			list.add (new KeyNamePair(account.getC_ValidCombination_ID(), msglist.toString()));
 		}
 		//  Sort & return
 		return list;

org.adempiere.base/src/org/compiere/model/MAcctProcessor.java

@@ -94,8 +94,9 @@ public class MAcctProcessor extends X_C_AcctProcessor
 	{
 		this (client.getCtx(), 0, client.get_TrxName());
 		setClientOrg(client);
-		setName (client.getName() + " - " 
-			+ Msg.translate(getCtx(), "C_AcctProcessor_ID"));
+		StringBuilder msgset = new StringBuilder(client.getName()).append(" - ") 
+							.append(Msg.translate(getCtx(), "C_AcctProcessor_ID"));
+		setName (msgset.toString());
 		setSupervisor_ID (Supervisor_ID);
 	}	//	MAcctProcessor
 	
@@ -107,7 +108,8 @@ public class MAcctProcessor extends X_C_AcctProcessor
 	 */
 	public String getServerID ()
 	{
-		return "AcctProcessor" + get_ID();
+		StringBuilder msgreturn = new StringBuilder("AcctProcessor").append(get_ID());
+		return msgreturn.toString();
 	}	//	getServerID
 
 	/**
@@ -144,10 +146,10 @@ public class MAcctProcessor extends X_C_AcctProcessor
 	{
 		if (getKeepLogDays() < 1)
 			return 0;
-		String sql = "DELETE C_AcctProcessorLog "
-			+ "WHERE C_AcctProcessor_ID=" + getC_AcctProcessor_ID() 
-			+ " AND (Created+" + getKeepLogDays() + ") < SysDate";
-		int no = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("DELETE C_AcctProcessorLog ")
+					.append("WHERE C_AcctProcessor_ID=").append(getC_AcctProcessor_ID()) 
+					.append(" AND (Created+").append(getKeepLogDays()).append(") < SysDate");
+		int no = DB.executeUpdate(sql.toString(), get_TrxName());
 		return no;
 	}	//	deleteLog
 

org.adempiere.base/src/org/compiere/model/MAcctSchema.java

@@ -105,17 +105,17 @@ public class MAcctSchema extends X_C_AcctSchema
 			list.add(as);
 		
 		ArrayList<Object> params = new ArrayList<Object>();
-		String whereClause = "IsActive=? "
-			+ " AND EXISTS (SELECT * FROM C_AcctSchema_GL gl WHERE C_AcctSchema.C_AcctSchema_ID=gl.C_AcctSchema_ID)"
-			+ " AND EXISTS (SELECT * FROM C_AcctSchema_Default d WHERE C_AcctSchema.C_AcctSchema_ID=d.C_AcctSchema_ID)"; 
+		StringBuilder whereClause = new StringBuilder("IsActive=? ")
+			.append(" AND EXISTS (SELECT * FROM C_AcctSchema_GL gl WHERE C_AcctSchema.C_AcctSchema_ID=gl.C_AcctSchema_ID)")
+			.append(" AND EXISTS (SELECT * FROM C_AcctSchema_Default d WHERE C_AcctSchema.C_AcctSchema_ID=d.C_AcctSchema_ID)"); 
 			params.add("Y");
 		if (AD_Client_ID != 0)
 		{	
-			whereClause += " AND AD_Client_ID=?";
+			whereClause.append(" AND AD_Client_ID=?");
 			params.add(AD_Client_ID);
 		}	
 		
-		List <MAcctSchema> ass = new Query(ctx, I_C_AcctSchema.Table_Name,whereClause,trxName)
+		List <MAcctSchema> ass = new Query(ctx, I_C_AcctSchema.Table_Name,whereClause.toString(),trxName)
 		.setParameters(params)
 		.setOrderBy(MAcctSchema.COLUMNNAME_C_AcctSchema_ID)
 		.list();
@@ -195,7 +195,8 @@ public class MAcctSchema extends X_C_AcctSchema
 		this (client.getCtx(), 0, client.get_TrxName());
 		setClientOrg(client);
 		setC_Currency_ID (currency.getKey());
-		setName (client.getName() + " " + getGAAP() + "/" + get_ColumnCount() + " " + currency.getName());
+		StringBuilder msgset = new StringBuilder(client.getName()).append(" ").append(getGAAP()).append("/").append(get_ColumnCount()).append(" ").append(currency.getName());
+		setName (msgset.toString());
 	}	//	MAcctSchema
 
 
@@ -291,7 +292,7 @@ public class MAcctSchema extends X_C_AcctSchema
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer("AcctSchema[");
+		StringBuilder sb = new StringBuilder("AcctSchema[");
 			sb.append(get_ID()).append("-").append(getName())
 				.append("]");
 		return sb.toString();

org.adempiere.base/src/org/compiere/model/MAcctSchemaElement.java

@@ -388,10 +388,11 @@ public final class MAcctSchemaElement extends X_C_AcctSchema_Element
 	 */
 	public String toString()
 	{
-		return "AcctSchemaElement[" + get_ID() 
-			+ "-" + getName() 
-			+ "(" + getElementType() + ")=" + getDefaultValue()  
-			+ ",Pos=" + getSeqNo() + "]";
+		StringBuilder msgreturn = new StringBuilder("AcctSchemaElement[").append(get_ID()) 
+				.append("-").append(getName()) 
+				.append("(").append(getElementType()).append(")=").append(getDefaultValue())  
+				.append(",Pos=").append(getSeqNo()).append("]");
+		return msgreturn.toString();
 	}   //  toString
 
 	
@@ -486,10 +487,10 @@ public final class MAcctSchemaElement extends X_C_AcctSchema_Element
 		s_cache.clear();
 		
 		//	Resequence
-		if (newRecord || is_ValueChanged(COLUMNNAME_SeqNo))
-			MAccount.updateValueDescription(getCtx(), 
-				"AD_Client_ID=" + getAD_Client_ID(), get_TrxName());
-
+		if (newRecord || is_ValueChanged(COLUMNNAME_SeqNo)){
+			StringBuilder msguvd = new StringBuilder("AD_Client_ID=").append(getAD_Client_ID());
+			MAccount.updateValueDescription(getCtx(), msguvd.toString(), get_TrxName());
+		}
 		return success;
 	}	//	afterSave
 	
@@ -500,16 +501,16 @@ public final class MAcctSchemaElement extends X_C_AcctSchema_Element
 	 */
 	private void updateData (String element, int id)
 	{
-		MAccount.updateValueDescription(getCtx(), 
-			element + "=" + id, get_TrxName());
+		StringBuilder msguvd = new StringBuilder(element).append("=").append(id);
+		MAccount.updateValueDescription(getCtx(),msguvd.toString(), get_TrxName());
 		//
-		String sql = "UPDATE C_ValidCombination SET " + element + "=" + id
-			+ " WHERE " + element + " IS NULL AND AD_Client_ID=" + getAD_Client_ID();
-		int noC = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("UPDATE C_ValidCombination SET ").append(element).append("=").append(id)
+			.append(" WHERE ").append(element).append(" IS NULL AND AD_Client_ID=").append(getAD_Client_ID());
+		int noC = DB.executeUpdate(sql.toString(), get_TrxName());
 		//
-		sql = "UPDATE Fact_Acct SET " + element + "=" + id
-			+ " WHERE " + element + " IS NULL AND C_AcctSchema_ID=" + getC_AcctSchema_ID();
-		int noF = DB.executeUpdate(sql, get_TrxName());
+		sql = new StringBuilder("UPDATE Fact_Acct SET ").append(element).append("=").append(id)
+			.append(" WHERE ").append(element).append(" IS NULL AND C_AcctSchema_ID=").append(getC_AcctSchema_ID());
+		int noF = DB.executeUpdate(sql.toString(), get_TrxName());
 		//
 		log.fine("ValidCombination=" + noC + ", Fact=" + noF);
 	}	//	updateData
@@ -535,8 +536,8 @@ public final class MAcctSchemaElement extends X_C_AcctSchema_Element
 	protected boolean afterDelete (boolean success)
 	{
 		//	Update Account Info
-		MAccount.updateValueDescription(getCtx(), 
-			"AD_Client_ID=" + getAD_Client_ID(), get_TrxName());
+		StringBuilder msguvd = new StringBuilder("AD_Client_ID=").append(getAD_Client_ID());
+		MAccount.updateValueDescription(getCtx(),msguvd.toString(), get_TrxName());
 		//
 		s_cache.clear();
 		return success;

org.adempiere.base/src/org/compiere/model/MAchievement.java

@@ -98,7 +98,7 @@ public class MAchievement extends X_PA_Achievement
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAchievement[");
+		StringBuilder sb = new StringBuilder ("MAchievement[");
 		sb.append (get_ID()).append ("-").append (getName()).append ("]");
 		return sb.toString ();
 	}	//	toString

org.adempiere.base/src/org/compiere/model/MActivity.java

@@ -110,8 +110,10 @@ public class MActivity extends X_C_Activity
 		if (newRecord)
 			insert_Tree(MTree_Base.TREETYPE_Activity);
 		//	Value/Name change
-		if (!newRecord && (is_ValueChanged("Value") || is_ValueChanged("Name")))
-			MAccount.updateValueDescription(getCtx(), "C_Activity_ID=" + getC_Activity_ID(), get_TrxName());
+		if (!newRecord && (is_ValueChanged("Value") || is_ValueChanged("Name"))){
+			StringBuilder msguvd = new StringBuilder("C_Activity_ID=").append(getC_Activity_ID());
+			MAccount.updateValueDescription(getCtx(), msguvd.toString(), get_TrxName());
+		}	
 		return true;
 	}	//	afterSave
 	

org.adempiere.base/src/org/compiere/model/MAd.java

@@ -72,7 +72,8 @@ public class MAd extends X_CM_Ad
 	 */
 	public static MAd getNext(Properties ctx, int CM_Ad_Cat_ID, String trxName) {
 		MAd thisAd = null;
-		int [] thisAds = MAd.getAllIDs("CM_Ad","ActualImpression+StartImpression<MaxImpression AND CM_Ad_Cat_ID=" + CM_Ad_Cat_ID, trxName);
+		StringBuilder msgids = new StringBuilder("ActualImpression+StartImpression<MaxImpression AND CM_Ad_Cat_ID=").append(CM_Ad_Cat_ID);
+		int [] thisAds = MAd.getAllIDs("CM_Ad",msgids.toString(), trxName);
 		if (thisAds!=null) {
 			for (int i=0;i<thisAds.length;i++) {
 				MAd tempAd = new MAd(ctx, thisAds[i], trxName);

org.adempiere.base/src/org/compiere/model/MAging.java

@@ -273,7 +273,7 @@ public class MAging extends X_T_Aging
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer("MAging[");
+		StringBuilder sb = new StringBuilder("MAging[");
 		sb.append("AD_PInstance_ID=").append(getAD_PInstance_ID())
 			.append(",C_BPartner_ID=").append(getC_BPartner_ID())
 			.append(",C_Currency_ID=").append(getC_Currency_ID())

org.adempiere.base/src/org/compiere/model/MAlert.java

@@ -209,7 +209,7 @@ public class MAlert extends X_AD_Alert
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAlert[");
+		StringBuilder sb = new StringBuilder ("MAlert[");
 		sb.append(get_ID())
 			.append("-").append(getName())
 			.append(",Valid=").append(isValid());

org.adempiere.base/src/org/compiere/model/MAlertRecipient.java

@@ -88,7 +88,7 @@ public class MAlertRecipient extends X_AD_AlertRecipient
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAlertRecipient[");
+		StringBuilder sb = new StringBuilder ("MAlertRecipient[");
 		sb.append(get_ID())
 			.append(",AD_User_ID=").append(getAD_User_ID())
 			.append(",AD_Role_ID=").append(getAD_Role_ID())

org.adempiere.base/src/org/compiere/model/MAlertRule.java

@@ -99,12 +99,12 @@ public class MAlertRule extends X_AD_AlertRule
 	 */
 	public String getSql(boolean applySecurity)
 	{
-		StringBuffer sql = new StringBuffer();
+		StringBuilder sql = new StringBuilder();
 		sql.append("SELECT ").append(getSelectClause())
 			.append(" FROM ").append(getFromClause());
 		if (getWhereClause() != null && getWhereClause().length() > 0)
 			sql.append(" WHERE ").append(getWhereClause());
-		String finalSQL = sql.toString();
+		StringBuilder finalSQL = new StringBuilder(sql.toString());
 		//
 		// Apply Security:
 		if (applySecurity) {
@@ -118,14 +118,14 @@ public class MAlertRule extends X_AD_AlertRule
 				if (AD_Role_ID != -1)
 				{
 					MRole role = MRole.get(getCtx(), AD_Role_ID);
-					finalSQL = role.addAccessSQL(finalSQL, null, true, false);
+					finalSQL = new StringBuilder(role.addAccessSQL(finalSQL.toString(), null, true, false));
 				}
 			}
 		}
 		//
 		if (getOtherClause() != null && getOtherClause().length() > 0)
-			finalSQL += " " + getOtherClause();
-		return finalSQL;
+			finalSQL.append(" ").append(getOtherClause());
+		return finalSQL.toString();
 	}	//	getSql
 	
 	/**
@@ -139,12 +139,14 @@ public class MAlertRule extends X_AD_AlertRule
 		{
 			throw new IllegalArgumentException("Parameter extension cannot be empty");
 		}
-		String name = new SimpleDateFormat("yyyyMMddhhmm").format(new Timestamp(System.currentTimeMillis()))
-						+"_"+Util.stripDiacritics(getName().trim());
+		StringBuilder msgname = new StringBuilder(new SimpleDateFormat("yyyyMMddhhmm").format(new Timestamp(System.currentTimeMillis())))
+				.append("_").append(Util.stripDiacritics(getName().trim()));
+		String name = msgname.toString();
 		File file = null;
 		try
 		{
-			file = new File(System.getProperty("java.io.tmpdir"), name+"."+extension);
+			StringBuilder msgp = new StringBuilder(name).append(".").append(extension);
+			file = new File(System.getProperty("java.io.tmpdir"), msgp.toString());
 			file.createNewFile();
 			return file;
 		}
@@ -156,7 +158,8 @@ public class MAlertRule extends X_AD_AlertRule
 		String filePrefix = "Alert_"; // TODO: add AD_AlertRule.FileName (maybe)
 		try
 		{
-			file = File.createTempFile(filePrefix, "."+extension);
+			StringBuilder msgctf = new StringBuilder(".").append(extension);
+			file = File.createTempFile(filePrefix, msgctf.toString());
 		}
 		catch (IOException e)
 		{
@@ -198,16 +201,14 @@ public class MAlertRule extends X_AD_AlertRule
 	 * @return true if success
 	 */
 	private boolean updateParent() {
-		final String sql_count = "SELECT COUNT(*) FROM "+Table_Name+" r"
-							+" WHERE r."+COLUMNNAME_AD_Alert_ID+"=a."+MAlert.COLUMNNAME_AD_Alert_ID
-								+" AND r."+COLUMNNAME_IsValid+"='N'"
-								+" AND r.IsActive='Y'"
-		;
-		final String sql = "UPDATE "+MAlert.Table_Name+" a SET "
-			+" "+MAlert.COLUMNNAME_IsValid+"=(CASE WHEN ("+sql_count+") > 0 THEN 'N' ELSE 'Y' END)"
-			+" WHERE a."+MAlert.COLUMNNAME_AD_Alert_ID+"=?"
-		;
-		int no = DB.executeUpdate(sql, getAD_Alert_ID(), get_TrxName());
+		StringBuilder sql_count = new StringBuilder("SELECT COUNT(*) FROM ").append(Table_Name).append(" r")
+							.append(" WHERE r.").append(COLUMNNAME_AD_Alert_ID).append("=a.").append(MAlert.COLUMNNAME_AD_Alert_ID)
+								.append(" AND r.").append(COLUMNNAME_IsValid).append("='N'")
+								.append(" AND r.IsActive='Y'");
+		StringBuilder sql = new StringBuilder("UPDATE ").append(MAlert.Table_Name).append(" a SET ")
+			.append(" ").append(MAlert.COLUMNNAME_IsValid).append("=(CASE WHEN (").append(sql_count).append(") > 0 THEN 'N' ELSE 'Y' END)")
+			.append(" WHERE a.").append(MAlert.COLUMNNAME_AD_Alert_ID).append("=?");
+		int no = DB.executeUpdate(sql.toString(), getAD_Alert_ID(), get_TrxName());
 		return no == 1;
 	}
 
@@ -217,7 +218,7 @@ public class MAlertRule extends X_AD_AlertRule
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAlertRule[");
+		StringBuilder sb = new StringBuilder ("MAlertRule[");
 		sb.append(get_ID())
 			.append("-").append(getName())
 			.append(",Valid=").append(isValid())

org.adempiere.base/src/org/compiere/model/MAllocationHdr.java

@@ -278,10 +278,10 @@ public final class MAllocationHdr extends X_C_AllocationHdr implements DocAction
 		super.setProcessed (processed);
 		if (get_ID() == 0)
 			return;
-		String sql = "UPDATE C_AllocationHdr SET Processed='"
-			+ (processed ? "Y" : "N")
-			+ "' WHERE C_AllocationHdr_ID=" + getC_AllocationHdr_ID();
-		int no = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("UPDATE C_AllocationHdr SET Processed='")
+			.append((processed ? "Y" : "N"))
+			.append("' WHERE C_AllocationHdr_ID=").append(getC_AllocationHdr_ID());
+		int no = DB.executeUpdate(sql.toString(), get_TrxName());
 		m_lines = null;
 		log.fine(processed + " - #" + no);
 	}	//	setProcessed
@@ -411,10 +411,10 @@ public final class MAllocationHdr extends X_C_AllocationHdr implements DocAction
 		{	
 			if (line.getC_Invoice_ID() != 0)
 			{
-				final String whereClause = I_C_Invoice.COLUMNNAME_C_Invoice_ID + "=? AND " 
-								   + I_C_Invoice.COLUMNNAME_IsPaid + "=? AND "
-								   + I_C_Invoice.COLUMNNAME_DocStatus + " NOT IN (?,?)";
-				boolean InvoiceIsPaid = new Query(getCtx(), I_C_Invoice.Table_Name, whereClause, get_TrxName())
+				StringBuilder whereClause = new StringBuilder(I_C_Invoice.COLUMNNAME_C_Invoice_ID).append("=? AND ") 
+								   .append(I_C_Invoice.COLUMNNAME_IsPaid).append("=? AND ")
+								   .append(I_C_Invoice.COLUMNNAME_DocStatus).append(" NOT IN (?,?)");
+				boolean InvoiceIsPaid = new Query(getCtx(), I_C_Invoice.Table_Name, whereClause.toString(), get_TrxName())
 				.setClient_ID()
 				.setParameters(line.getC_Invoice_ID(), "Y", X_C_Invoice.DOCSTATUS_Voided, X_C_Invoice.DOCSTATUS_Reversed)
 				.match();
@@ -638,7 +638,7 @@ public final class MAllocationHdr extends X_C_AllocationHdr implements DocAction
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAllocationHdr[");
+		StringBuilder sb = new StringBuilder ("MAllocationHdr[");
 		sb.append(get_ID()).append("-").append(getSummary()).append ("]");
 		return sb.toString ();
 	}	//	toString
@@ -649,7 +649,8 @@ public final class MAllocationHdr extends X_C_AllocationHdr implements DocAction
 	 */
 	public String getDocumentInfo()
 	{
-		return Msg.getElement(getCtx(), "C_AllocationHdr_ID") + " " + getDocumentNo();
+		StringBuilder msgreturn = new StringBuilder(Msg.getElement(getCtx(), "C_AllocationHdr_ID")).append(" ").append(getDocumentNo());
+		return msgreturn.toString();
 	}	//	getDocumentInfo
 
 	/**
@@ -660,7 +661,8 @@ public final class MAllocationHdr extends X_C_AllocationHdr implements DocAction
 	{
 		try
 		{
-			File temp = File.createTempFile(get_TableName()+get_ID()+"_", ".pdf");
+			StringBuilder msgctf = new StringBuilder(get_TableName()).append(get_ID()).append("_");
+			File temp = File.createTempFile(msgctf.toString(), ".pdf");
 			return createPDF (temp);
 		}
 		catch (Exception e)
@@ -689,7 +691,7 @@ public final class MAllocationHdr extends X_C_AllocationHdr implements DocAction
 	 */
 	public String getSummary()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(getDocumentNo());
 		//	: Total Lines = 123.00 (#1)
 		sb.append(": ")

org.adempiere.base/src/org/compiere/model/MAllocationLine.java

@@ -221,7 +221,7 @@ public class MAllocationLine extends X_C_AllocationLine
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAllocationLine[");
+		StringBuilder sb = new StringBuilder ("MAllocationLine[");
 		sb.append(get_ID());
 		if (getC_Payment_ID() != 0)
 			sb.append(",C_Payment_ID=").append(getC_Payment_ID());
@@ -296,12 +296,12 @@ public class MAllocationLine extends X_C_AllocationLine
 			}
 			
 			//	Link to Order
-			String update = "UPDATE C_Order o "
-				+ "SET C_Payment_ID=" 
-					+ (reverse ? "NULL " : "(SELECT C_Payment_ID FROM C_Invoice WHERE C_Invoice_ID=" + C_Invoice_ID + ") ")
-				+ "WHERE o.C_Order_ID = (SELECT i.C_Order_ID FROM C_Invoice i "
-					+ "WHERE i.C_Invoice_ID=" + C_Invoice_ID + ")";
-			if (DB.executeUpdate(update, get_TrxName()) > 0)
+			StringBuilder update = new StringBuilder("UPDATE C_Order o ")
+				.append("SET C_Payment_ID=") 
+					.append((reverse ? "NULL " : "(SELECT C_Payment_ID FROM C_Invoice WHERE C_Invoice_ID=")).append(C_Invoice_ID).append(") ")
+				.append("WHERE o.C_Order_ID = (SELECT i.C_Order_ID FROM C_Invoice i ")
+					.append("WHERE i.C_Invoice_ID=").append(C_Invoice_ID).append(")");
+			if (DB.executeUpdate(update.toString(), get_TrxName()) > 0)
 				log.fine("C_Payment_ID=" + C_Payment_ID 
 					+ (reverse ? " UnLinked from" : " Linked to")
 					+ " order of C_Invoice_ID=" + C_Invoice_ID);
@@ -325,12 +325,12 @@ public class MAllocationLine extends X_C_AllocationLine
 			}
 			
 			//	Link to Order
-			String update = "UPDATE C_Order o "
-				+ "SET C_CashLine_ID="
-					+ (reverse ? "NULL " : "(SELECT C_CashLine_ID FROM C_Invoice WHERE C_Invoice_ID=" + C_Invoice_ID + ") ")
-				+ "WHERE o.C_Order_ID = (SELECT i.C_Order_ID FROM C_Invoice i "
-					+ "WHERE i.C_Invoice_ID=" + C_Invoice_ID + ")";
-			if (DB.executeUpdate(update, get_TrxName()) > 0)
+			StringBuilder update = new StringBuilder("UPDATE C_Order o ")
+				.append("SET C_CashLine_ID=")
+					.append((reverse ? "NULL " : "(SELECT C_CashLine_ID FROM C_Invoice WHERE C_Invoice_ID=")).append(C_Invoice_ID).append(") ")
+				.append("WHERE o.C_Order_ID = (SELECT i.C_Order_ID FROM C_Invoice i ")
+					.append("WHERE i.C_Invoice_ID=").append(C_Invoice_ID).append(")");
+			if (DB.executeUpdate(update.toString(), get_TrxName()) > 0)
 				log.fine("C_CashLine_ID=" + C_CashLine_ID 
 					+ (reverse ? " UnLinked from" : " Linked to")
 					+ " order of C_Invoice_ID=" + C_Invoice_ID);

org.adempiere.base/src/org/compiere/model/MArchive.java

@@ -79,13 +79,13 @@ public class MArchive extends X_AD_Archive {
 	public static MArchive[] get(Properties ctx, String whereClause) {
 		ArrayList<MArchive> list = new ArrayList<MArchive>();
 		PreparedStatement pstmt = null;
-		String sql = "SELECT * FROM AD_Archive WHERE AD_Client_ID=?";
+		StringBuilder sql = new StringBuilder("SELECT * FROM AD_Archive WHERE AD_Client_ID=?");
 		if (whereClause != null && whereClause.length() > 0)
-			sql += whereClause;
-		sql += " ORDER BY Created";
+			sql.append(whereClause);
+		sql.append(" ORDER BY Created");
 
 		try {
-			pstmt = DB.prepareStatement(sql, null);
+			pstmt = DB.prepareStatement(sql.toString(), null);
 			pstmt.setInt(1, Env.getAD_Client_ID(ctx));
 			ResultSet rs = pstmt.executeQuery();
 			while (rs.next())
@@ -94,7 +94,7 @@ public class MArchive extends X_AD_Archive {
 			pstmt.close();
 			pstmt = null;
 		} catch (Exception e) {
-			s_log.log(Level.SEVERE, sql, e);
+			s_log.log(Level.SEVERE, sql.toString(), e);
 		}
 		try {
 			if (pstmt != null)
@@ -104,9 +104,9 @@ public class MArchive extends X_AD_Archive {
 			pstmt = null;
 		}
 		if (list.size() == 0)
-			s_log.fine(sql);
+			s_log.fine(sql.toString());
 		else
-			s_log.finer(sql);
+			s_log.finer(sql.toString());
 		//
 		MArchive[] retValue = new MArchive[list.size()];
 		list.toArray(retValue);
@@ -215,12 +215,12 @@ public class MArchive extends X_AD_Archive {
 	 * @return info
 	 */
 	public String toString() {
-		StringBuffer sb = new StringBuffer("MArchive[");
+		StringBuilder sb = new StringBuilder("MArchive[");
 		sb.append(get_ID()).append(",Name=").append(getName());
 		if (m_inflated != null)
-			sb.append(",Inflated=" + m_inflated);
+			sb.append(",Inflated=").append(m_inflated);
 		if (m_deflated != null)
-			sb.append(",Deflated=" + m_deflated);
+			sb.append(",Deflated=").append(m_deflated);
 		sb.append("]");
 		return sb.toString();
 	} // toString
@@ -419,8 +419,9 @@ public class MArchive extends X_AD_Archive {
 				}
 			}
 			// write to pdf
-			final File destFile = new File(m_archivePathRoot + File.separator
-					+ getArchivePathSnippet() + this.get_ID() + ".pdf");
+			StringBuilder msgfile = new StringBuilder(m_archivePathRoot).append(File.separator)
+					.append(getArchivePathSnippet()).append(this.get_ID()).append(".pdf");
+			final File destFile = new File(msgfile.toString());
 
 			out = new BufferedOutputStream(new FileOutputStream(destFile));
 			out.write(inflatedData);
@@ -433,7 +434,8 @@ public class MArchive extends X_AD_Archive {
 			document.appendChild(root);
 			document.setXmlStandalone(true);
 			final Element entry = document.createElement("entry");
-			entry.setAttribute("file", ARCHIVE_FOLDER_PLACEHOLDER + getArchivePathSnippet() + this.get_ID() + ".pdf");
+			StringBuilder msgsat = new StringBuilder(ARCHIVE_FOLDER_PLACEHOLDER).append(getArchivePathSnippet()).append(this.get_ID()).append(".pdf");
+			entry.setAttribute("file", msgsat.toString());
 			root.appendChild(entry);
 			final Source source = new DOMSource(document);
 			final ByteArrayOutputStream bos = new ByteArrayOutputStream();
@@ -538,19 +540,19 @@ public class MArchive extends X_AD_Archive {
 	 * @return String
 	 */
 	private String getArchivePathSnippet() {
-		String path = this.getAD_Client_ID() + File.separator + this.getAD_Org_ID()
-				+ File.separator;
+		StringBuilder path = new StringBuilder(this.getAD_Client_ID()).append(File.separator).append(this.getAD_Org_ID())
+				.append(File.separator);
 		if (this.getAD_Process_ID() > 0) {
-			path = path + this.getAD_Process_ID() + File.separator;
+			path.append(this.getAD_Process_ID()).append(File.separator);
 		}
 		if (this.getAD_Table_ID() > 0) {
-			path = path + this.getAD_Table_ID() + File.separator;
+			path.append(this.getAD_Table_ID()).append(File.separator);
 		}
 		if (this.getRecord_ID() > 0) {
-			path = path + this.getRecord_ID() + File.separator;
+			path.append(this.getRecord_ID()).append(File.separator);
 		}
 		// path = path + this.get_ID() + ".pdf";
-		return path;
+		return path.toString();
 	}
 
 	/**

org.adempiere.base/src/org/compiere/model/MAsset.java

@@ -183,20 +183,21 @@ public class MAsset extends X_A_Asset
 	public void setValueNameDescription (MInOut shipment,  
 		int deliveryCount, MProduct product, MBPartner partner)
 	{
-		String documentNo = "_" + shipment.getDocumentNo();
+		StringBuilder documentNo = new StringBuilder("_").append(shipment.getDocumentNo());
 		if (deliveryCount > 1)
-			documentNo += "_" + deliveryCount;
+			documentNo.append("_").append(deliveryCount);
 		//	Value
-		String value = partner.getValue() + "_" + product.getValue();
+		StringBuilder value = new StringBuilder(partner.getValue()).append("_").append(product.getValue());
 		if (value.length() > 40-documentNo.length())
-			value = value.substring(0,40-documentNo.length()) + documentNo;
-		setValue(value);
+			value.delete(40-documentNo.length(), value.length()).append(documentNo);
+		
+		setValue(value.toString());
 		
 		//	Name		MProduct.afterSave
-		String name = partner.getName() + " - " + product.getName();
+		StringBuilder name = new StringBuilder(partner.getName()).append(" - ").append(product.getName());
 		if (name.length() > 60)
-			name = name.substring(0,60);
-		setName(name);
+			name.delete(60,name.length());
+		setName(name.toString());
 		//	Description
 		String description = product.getDescription();
 		setDescription(description);
@@ -211,8 +212,10 @@ public class MAsset extends X_A_Asset
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgsd= new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgsd.toString());
+		}	
 	}	//	addDescription
 
 	/**
@@ -233,7 +236,7 @@ public class MAsset extends X_A_Asset
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAsset[")
+		StringBuilder sb = new StringBuilder ("MAsset[")
 			.append (get_ID ())
 			.append("-").append(getValue())
 			.append ("]");

org.adempiere.base/src/org/compiere/model/MAssetDelivery.java

@@ -124,7 +124,7 @@ public class MAssetDelivery extends X_A_Asset_Delivery
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAssetDelivery[")
+		StringBuilder sb = new StringBuilder ("MAssetDelivery[")
 			.append (get_ID ())
 			.append(",A_Asset_ID=").append(getA_Asset_ID())
 			.append(",MovementDate=").append(getMovementDate())

org.adempiere.base/src/org/compiere/model/MAssignmentSlot.java

@@ -438,7 +438,7 @@ public class MAssignmentSlot implements Comparator
 			return getInfo();
 
 		//	DISPLAY_ALL
-		StringBuffer sb = new StringBuffer("MAssignmentSlot[");
+		StringBuilder sb = new StringBuilder("MAssignmentSlot[");
 		sb.append(m_startTime).append("-").append(m_endTime)
 			.append("-Status=").append(m_status).append(",Name=")
 			.append(m_name).append(",").append(m_description).append("]");
@@ -460,7 +460,7 @@ public class MAssignmentSlot implements Comparator
 	 */
 	public String getInfoTimeFromTo()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(m_language.getTimeFormat().format(m_startTime))
 			.append(" - ")
 			.append(m_language.getTimeFormat().format(m_endTime));
@@ -473,7 +473,7 @@ public class MAssignmentSlot implements Comparator
 	 */
 	public String getInfoDateTimeFromTo()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(m_language.getDateTimeFormat().format(m_startTime))
 			.append(" - ");
 		if (TimeUtil.isSameDay(m_startTime, m_endTime))
@@ -489,7 +489,7 @@ public class MAssignmentSlot implements Comparator
 	 */
 	public String getInfoNameDescription()
 	{
-		StringBuffer sb = new StringBuffer(m_name);
+		StringBuilder sb = new StringBuilder(m_name);
 		if (m_description.length() > 0)
 			sb.append(" (").append(m_description).append(")");
 		return sb.toString();
@@ -501,7 +501,7 @@ public class MAssignmentSlot implements Comparator
 	 */
 	public String getInfo()
 	{
-		StringBuffer sb = new StringBuffer(getInfoDateTimeFromTo());
+		StringBuilder sb = new StringBuilder(getInfoDateTimeFromTo());
 		sb.append(": ").append(m_name);
 		if (m_description.length() > 0)
 			sb.append(" (").append(m_description).append(")");

org.adempiere.base/src/org/compiere/model/MAttachment.java

@@ -222,7 +222,7 @@ public class MAttachment extends X_AD_Attachment
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer("MAttachment[");
+		StringBuilder sb = new StringBuilder("MAttachment[");
 		sb.append(getAD_Attachment_ID()).append(",Title=").append(getTitle())
 			.append(",Entries=").append(getEntryCount());
 		for (int i = 0; i < getEntryCount(); i++)
@@ -435,9 +435,12 @@ public class MAttachment extends X_AD_Attachment
 			System.out.println("- no entries -");
 			return;
 		}
-		System.out.println("- entries: " + m_items.size());
-		for (int i = 0; i < m_items.size(); i++)
-			System.out.println("  - " + getEntryName(i));		  
+		StringBuilder msgout = new StringBuilder("- entries: ").append(m_items.size());
+		System.out.println(msgout.toString());
+		for (int i = 0; i < m_items.size(); i++){
+			msgout = new StringBuilder("  - ").append(getEntryName(i));
+			System.out.println(msgout.toString());
+		}	
 	}	//	dumpEntryNames
 
 	/**
@@ -576,14 +579,16 @@ public class MAttachment extends X_AD_Attachment
 					FileChannel out = null;
 					try {
 						//create destination folder
-						final File destFolder = new File(m_attachmentPathRoot + File.separator + getAttachmentPathSnippet());
+						StringBuilder msgfile = new StringBuilder(m_attachmentPathRoot).append(File.separator).append(getAttachmentPathSnippet());
+						final File destFolder = new File(msgfile.toString());
 						if(!destFolder.exists()){
 							if(!destFolder.mkdirs()){
 								log.warning("unable to create folder: " + destFolder.getPath());
 							}
 						}
-						final File destFile = new File(m_attachmentPathRoot + File.separator
-								+ getAttachmentPathSnippet() + File.separator + entryFile.getName());
+						msgfile = new StringBuilder(m_attachmentPathRoot).append(File.separator)
+								.append(getAttachmentPathSnippet()).append(File.separator).append(entryFile.getName());
+						final File destFile = new File(msgfile.toString());
 						in = new FileInputStream(entryFile).getChannel();
 						out = new FileOutputStream(destFile).getChannel();
 						in.transferTo(0, in.size(), out);
@@ -808,9 +813,11 @@ public class MAttachment extends X_AD_Attachment
 	 * @return String
 	 */
 	private String getAttachmentPathSnippet(){
-		return this.getAD_Client_ID() + File.separator + 
-		this.getAD_Org_ID() + File.separator + 
-		this.getAD_Table_ID() + File.separator + this.getRecord_ID();
+		
+		StringBuilder msgreturn = new StringBuilder(this.getAD_Client_ID()).append(File.separator)
+				.append(this.getAD_Org_ID()).append(File.separator)
+				.append(this.getAD_Table_ID()).append(File.separator).append(this.getRecord_ID());
+		return msgreturn.toString();
 	}
 	
 	/**

org.adempiere.base/src/org/compiere/model/MAttachmentEntry.java

@@ -144,7 +144,7 @@ public class MAttachmentEntry
 	 */
 	public String toStringX ()
 	{
-		StringBuffer sb = new StringBuffer (m_name);
+		StringBuilder sb = new StringBuilder (m_name);
 		if (m_data != null)
 		{
 			sb.append(" (");
@@ -176,8 +176,8 @@ public class MAttachmentEntry
 	 */
 	public void dump ()
 	{
-		String hdr = "----- " + getName() + " -----";
-		System.out.println (hdr);
+		StringBuilder hdr = new StringBuilder("----- ").append(getName()).append(" -----");
+		System.out.println (hdr.toString());
 		if (m_data == null)
 		{
 			System.out.println ("----- no data -----");
@@ -191,14 +191,15 @@ public class MAttachmentEntry
 		}
 			
 		System.out.println ();
-		System.out.println (hdr);
+		System.out.println (hdr.toString());
 		//	Count nulls at end
 		int ii = m_data.length -1;
 		int nullCount = 0;
 		while (m_data[ii--] == 0)
 			nullCount++;
-		System.out.println("----- Length=" + m_data.length + ", EndNulls=" + nullCount 
-			+ ", RealLength=" + (m_data.length-nullCount));
+		StringBuilder msgout = new StringBuilder("----- Length=").append(m_data.length).append(", EndNulls=").append(nullCount) 
+				.append(", RealLength=").append((m_data.length-nullCount));
+		System.out.println(msgout.toString());
 		/**
 		//	Dump w/o nulls
 		if (nullCount > 0)

org.adempiere.base/src/org/compiere/model/MAttribute.java

@@ -64,9 +64,9 @@ public class MAttribute extends X_M_Attribute
 				sql += " AND AttributeValueType=?";
 				params.add(MAttribute.ATTRIBUTEVALUETYPE_List);
 			}
-		final String whereClause = "AD_Client_ID=?"+sql;
+		StringBuilder whereClause = new StringBuilder("AD_Client_ID=?").append(sql);
 		
-		List<MAttribute>list = new Query(ctx,I_M_Attribute.Table_Name,whereClause,null)
+		List<MAttribute>list = new Query(ctx,I_M_Attribute.Table_Name,whereClause.toString(),null)
 		.setParameters(params)
 		.setOnlyActiveRecords(true)
 		.setOrderBy("Name")
@@ -224,7 +224,7 @@ public class MAttribute extends X_M_Attribute
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MAttribute[");
+		StringBuilder sb = new StringBuilder ("MAttribute[");
 		sb.append (get_ID()).append ("-").append (getName())
 			.append(",Type=").append(getAttributeValueType())
 			.append(",Instance=").append(isInstanceAttribute())
@@ -243,13 +243,13 @@ public class MAttribute extends X_M_Attribute
 		//	Changed to Instance Attribute
 		if (!newRecord && is_ValueChanged("IsInstanceAttribute") && isInstanceAttribute())
 		{
-			String sql = "UPDATE M_AttributeSet mas "
-				+ "SET IsInstanceAttribute='Y' "
-				+ "WHERE IsInstanceAttribute='N'"
-				+ " AND EXISTS (SELECT * FROM M_AttributeUse mau "
-					+ "WHERE mas.M_AttributeSet_ID=mau.M_AttributeSet_ID"
-					+ " AND mau.M_Attribute_ID=" + getM_Attribute_ID() + ")";
-			int no = DB.executeUpdate(sql, get_TrxName());
+			StringBuilder sql = new StringBuilder("UPDATE M_AttributeSet mas ")
+				.append("SET IsInstanceAttribute='Y' ")
+				.append("WHERE IsInstanceAttribute='N'")
+				.append(" AND EXISTS (SELECT * FROM M_AttributeUse mau ")
+					.append("WHERE mas.M_AttributeSet_ID=mau.M_AttributeSet_ID")
+					.append(" AND mau.M_Attribute_ID=").append(getM_Attribute_ID()).append(")");
+			int no = DB.executeUpdate(sql.toString(), get_TrxName());
 			log.fine("AttributeSet Instance set #" + no);
 		}
 		return success;

org.adempiere.base/src/org/compiere/model/MAttributeInstance.java

@@ -131,7 +131,7 @@ public class MAttributeInstance extends X_M_AttributeInstance
 		}
 		//	Display number w/o decimal 0
 		char[] chars = ValueNumber.toString().toCharArray();
-		StringBuffer display = new StringBuffer();
+		StringBuilder display = new StringBuilder();
 		boolean add = false;
 		for (int i = chars.length-1; i >= 0; i--)
 		{

org.adempiere.base/src/org/compiere/model/MAttributeSet.java

@@ -385,18 +385,18 @@ public class MAttributeSet extends X_M_AttributeSet
 		//	Set Instance Attribute
 		if (!isInstanceAttribute())
 		{
-			String sql = "UPDATE M_AttributeSet mas"
-				+ " SET IsInstanceAttribute='Y' "
-				+ "WHERE M_AttributeSet_ID=" + getM_AttributeSet_ID()
-				+ " AND IsInstanceAttribute='N'"
-				+ " AND (IsSerNo='Y' OR IsLot='Y' OR IsGuaranteeDate='Y'"
-					+ " OR EXISTS (SELECT * FROM M_AttributeUse mau"
-						+ " INNER JOIN M_Attribute ma ON (mau.M_Attribute_ID=ma.M_Attribute_ID) "
-						+ "WHERE mau.M_AttributeSet_ID=mas.M_AttributeSet_ID"
-						+ " AND mau.IsActive='Y' AND ma.IsActive='Y'"
-						+ " AND ma.IsInstanceAttribute='Y')"
-						+ ")";
-			int no = DB.executeUpdate(sql, get_TrxName());
+			StringBuilder sql = new StringBuilder("UPDATE M_AttributeSet mas")
+				.append(" SET IsInstanceAttribute='Y' ")
+				.append("WHERE M_AttributeSet_ID=").append(getM_AttributeSet_ID())
+				.append(" AND IsInstanceAttribute='N'")
+				.append(" AND (IsSerNo='Y' OR IsLot='Y' OR IsGuaranteeDate='Y'")
+					.append(" OR EXISTS (SELECT * FROM M_AttributeUse mau")
+						.append(" INNER JOIN M_Attribute ma ON (mau.M_Attribute_ID=ma.M_Attribute_ID) ")
+						.append("WHERE mau.M_AttributeSet_ID=mas.M_AttributeSet_ID")
+						.append(" AND mau.IsActive='Y' AND ma.IsActive='Y'")
+						.append(" AND ma.IsInstanceAttribute='Y')")
+						.append(")");
+			int no = DB.executeUpdate(sql.toString(), get_TrxName());
 			if (no != 0)
 			{
 				log.warning("Set Instance Attribute");
@@ -406,17 +406,17 @@ public class MAttributeSet extends X_M_AttributeSet
 		//	Reset Instance Attribute
 		if (isInstanceAttribute() && !isSerNo() && !isLot() && !isGuaranteeDate())
 		{
-			String sql = "UPDATE M_AttributeSet mas"
-				+ " SET IsInstanceAttribute='N' "
-				+ "WHERE M_AttributeSet_ID=" + getM_AttributeSet_ID()
-				+ " AND IsInstanceAttribute='Y'"
-				+ "	AND IsSerNo='N' AND IsLot='N' AND IsGuaranteeDate='N'"
-				+ " AND NOT EXISTS (SELECT * FROM M_AttributeUse mau"
-					+ " INNER JOIN M_Attribute ma ON (mau.M_Attribute_ID=ma.M_Attribute_ID) "
-					+ "WHERE mau.M_AttributeSet_ID=mas.M_AttributeSet_ID"
-					+ " AND mau.IsActive='Y' AND ma.IsActive='Y'"
-					+ " AND ma.IsInstanceAttribute='Y')";
-			int no = DB.executeUpdate(sql, get_TrxName());
+			StringBuilder sql = new StringBuilder("UPDATE M_AttributeSet mas")
+				.append(" SET IsInstanceAttribute='N' ")
+				.append("WHERE M_AttributeSet_ID=").append(getM_AttributeSet_ID())
+				.append(" AND IsInstanceAttribute='Y'")
+				.append("	AND IsSerNo='N' AND IsLot='N' AND IsGuaranteeDate='N'")
+				.append(" AND NOT EXISTS (SELECT * FROM M_AttributeUse mau")
+					.append(" INNER JOIN M_Attribute ma ON (mau.M_Attribute_ID=ma.M_Attribute_ID) ")
+					.append("WHERE mau.M_AttributeSet_ID=mas.M_AttributeSet_ID")
+					.append(" AND mau.IsActive='Y' AND ma.IsActive='Y'")
+					.append(" AND ma.IsInstanceAttribute='Y')");
+			int no = DB.executeUpdate(sql.toString(), get_TrxName());
 			if (no != 0)
 			{
 				log.warning("Reset Instance Attribute");

org.adempiere.base/src/org/compiere/model/MAttributeSetInstance.java

@@ -186,7 +186,7 @@ public class MAttributeSetInstance extends X_M_AttributeSetInstance
 			return;
 		}
 		
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		
 		//	Instance Attribute Values
 		MAttribute[] attributes = m_mas.getMAttributes(true);

org.adempiere.base/src/org/compiere/model/MAttributeUse.java

@@ -70,32 +70,32 @@ public class MAttributeUse extends X_M_AttributeUse
 	protected boolean afterSave (boolean newRecord, boolean success)
 	{
 		//	also used for afterDelete
-		String sql = "UPDATE M_AttributeSet mas"
-			+ " SET IsInstanceAttribute='Y' "
-			+ "WHERE M_AttributeSet_ID=" + getM_AttributeSet_ID()
-			+ " AND IsInstanceAttribute='N'"
-			+ " AND (IsSerNo='Y' OR IsLot='Y' OR IsGuaranteeDate='Y'"
-				+ " OR EXISTS (SELECT * FROM M_AttributeUse mau"
-					+ " INNER JOIN M_Attribute ma ON (mau.M_Attribute_ID=ma.M_Attribute_ID) "
-					+ "WHERE mau.M_AttributeSet_ID=mas.M_AttributeSet_ID"
-					+ " AND mau.IsActive='Y' AND ma.IsActive='Y'"
-					+ " AND ma.IsInstanceAttribute='Y')"
-					+ ")";
-		int no = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("UPDATE M_AttributeSet mas")
+			.append(" SET IsInstanceAttribute='Y' ")
+			.append("WHERE M_AttributeSet_ID=").append(getM_AttributeSet_ID())
+			.append(" AND IsInstanceAttribute='N'")
+			.append(" AND (IsSerNo='Y' OR IsLot='Y' OR IsGuaranteeDate='Y'")
+				.append(" OR EXISTS (SELECT * FROM M_AttributeUse mau")
+					.append(" INNER JOIN M_Attribute ma ON (mau.M_Attribute_ID=ma.M_Attribute_ID) ")
+					.append("WHERE mau.M_AttributeSet_ID=mas.M_AttributeSet_ID")
+					.append(" AND mau.IsActive='Y' AND ma.IsActive='Y'")
+					.append(" AND ma.IsInstanceAttribute='Y')")
+					.append(")");
+		int no = DB.executeUpdate(sql.toString(), get_TrxName());
 		if (no != 0)
 			log.fine("afterSave - Set Instance Attribute");
 		//
-		sql = "UPDATE M_AttributeSet mas"
-			+ " SET IsInstanceAttribute='N' "
-			+ "WHERE M_AttributeSet_ID=" + getM_AttributeSet_ID()
-			+ " AND IsInstanceAttribute='Y'"
-			+ "	AND IsSerNo='N' AND IsLot='N' AND IsGuaranteeDate='N'"
-			+ " AND NOT EXISTS (SELECT * FROM M_AttributeUse mau"
-				+ " INNER JOIN M_Attribute ma ON (mau.M_Attribute_ID=ma.M_Attribute_ID) "
-				+ "WHERE mau.M_AttributeSet_ID=mas.M_AttributeSet_ID"
-				+ " AND mau.IsActive='Y' AND ma.IsActive='Y'"
-				+ " AND ma.IsInstanceAttribute='Y')";
-		no = DB.executeUpdate(sql, get_TrxName());
+		sql = new StringBuilder("UPDATE M_AttributeSet mas")
+			.append(" SET IsInstanceAttribute='N' ")
+			.append("WHERE M_AttributeSet_ID=").append(getM_AttributeSet_ID())
+			.append(" AND IsInstanceAttribute='Y'")
+			.append("	AND IsSerNo='N' AND IsLot='N' AND IsGuaranteeDate='N'")
+			.append(" AND NOT EXISTS (SELECT * FROM M_AttributeUse mau")
+				.append(" INNER JOIN M_Attribute ma ON (mau.M_Attribute_ID=ma.M_Attribute_ID) ")
+				.append("WHERE mau.M_AttributeSet_ID=mas.M_AttributeSet_ID")
+				.append(" AND mau.IsActive='Y' AND ma.IsActive='Y'")
+				.append(" AND ma.IsInstanceAttribute='Y')");
+		no = DB.executeUpdate(sql.toString(), get_TrxName());
 		if (no != 0)
 			log.fine("afterSave - Reset Instance Attribute");
 		

org.adempiere.base/src/org/compiere/model/MBOM.java

@@ -67,10 +67,10 @@ public class MBOM extends X_M_BOM
 		String trxName, String whereClause)
 	{
 		//FR: [ 2214883 ] Remove SQL code and Replace for Query - red1
-		String where = "M_Product_ID=?";
+		StringBuilder where = new StringBuilder("M_Product_ID=?");
 		if (whereClause != null && whereClause.length() > 0)
-			where += " AND " + whereClause;
-		List <MBOM> list = new Query(ctx, I_M_BOM.Table_Name, where, trxName)
+			where.append(" AND ").append(whereClause);
+		List <MBOM> list = new Query(ctx, I_M_BOM.Table_Name, where.toString(), trxName)
 		.setParameters(M_Product_ID)
 		.list();
 		
@@ -128,8 +128,8 @@ public class MBOM extends X_M_BOM
 			//	Only one Current Active
 			if (getBOMType().equals(BOMTYPE_CurrentActive))
 			{
-				MBOM[] boms = getOfProduct(getCtx(), getM_Product_ID(), get_TrxName(),
-					"BOMType='A' AND BOMUse='" + getBOMUse() + "' AND IsActive='Y'");
+				StringBuilder msgofp = new StringBuilder("BOMType='A' AND BOMUse='").append(getBOMUse()).append("' AND IsActive='Y'");
+				MBOM[] boms = getOfProduct(getCtx(), getM_Product_ID(), get_TrxName(),msgofp.toString());
 				if (boms.length == 0	//	only one = this 
 					|| (boms.length == 1 && boms[0].getM_BOM_ID() == getM_BOM_ID()))
 					;

org.adempiere.base/src/org/compiere/model/MBPBankAccount.java

@@ -188,7 +188,7 @@ public class MBPBankAccount extends X_C_BP_BankAccount
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MBP_BankAccount[")
+		StringBuilder sb = new StringBuilder ("MBP_BankAccount[")
 			.append (get_ID ())
 			.append(", Name=").append(getA_Name())
 			.append ("]");

org.adempiere.base/src/org/compiere/model/MBPartner.java

@@ -531,7 +531,7 @@ public class MBPartner extends X_C_BPartner
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MBPartner[ID=")
+		StringBuilder sb = new StringBuilder ("MBPartner[ID=")
 			.append(get_ID())
 			.append(",Value=").append(getValue())
 			.append(",Name=").append(getName())
@@ -988,18 +988,18 @@ public class MBPartner extends X_C_BPartner
 			//	Trees
 			insert_Tree(MTree_Base.TREETYPE_BPartner);
 			//	Accounting
-			insert_Accounting("C_BP_Customer_Acct", "C_BP_Group_Acct", 
-				"p.C_BP_Group_ID=" + getC_BP_Group_ID());
-			insert_Accounting("C_BP_Vendor_Acct", "C_BP_Group_Acct", 
-				"p.C_BP_Group_ID=" + getC_BP_Group_ID());
+			StringBuilder msgacc = new StringBuilder("p.C_BP_Group_ID=").append(getC_BP_Group_ID());
+			insert_Accounting("C_BP_Customer_Acct", "C_BP_Group_Acct", msgacc.toString());
+			insert_Accounting("C_BP_Vendor_Acct", "C_BP_Group_Acct",msgacc.toString());
 			insert_Accounting("C_BP_Employee_Acct", "C_AcctSchema_Default", null);
 		}
 
 		//	Value/Name change
 		if (success && !newRecord 
-			&& (is_ValueChanged("Value") || is_ValueChanged("Name")))
-			MAccount.updateValueDescription(getCtx(), "C_BPartner_ID=" + getC_BPartner_ID(), get_TrxName());
-
+			&& (is_ValueChanged("Value") || is_ValueChanged("Name"))){
+			StringBuilder msgacc = new StringBuilder("C_BPartner_ID=").append(getC_BPartner_ID());
+			MAccount.updateValueDescription(getCtx(), msgacc.toString(), get_TrxName());
+		}
 		return success;
 	}	//	afterSave
 

org.adempiere.base/src/org/compiere/model/MBPartnerInfo.java

@@ -52,8 +52,8 @@ public class MBPartnerInfo extends X_RV_BPartner
 	public static MBPartnerInfo[] find (Properties ctx, 
 		String Value, String Name, String Contact, String EMail, String Phone, String City)
 	{
-		StringBuffer sql = new StringBuffer ("SELECT * FROM RV_BPartner WHERE IsActive='Y'");
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sql = new StringBuilder ("SELECT * FROM RV_BPartner WHERE IsActive='Y'");
+		StringBuilder sb = new StringBuilder();
 		Value = getFindParameter (Value);
 		if (Value != null)
 			sb.append("UPPER(Value) LIKE ?");

org.adempiere.base/src/org/compiere/model/MBPartnerLocation.java

@@ -125,7 +125,7 @@ public class MBPartnerLocation extends X_C_BPartner_Location {
 	/** Cached Location */
 	private MLocation m_location = null;
 	/** Unique Name */
-	private String m_uniqueName = null;
+	private StringBuffer m_uniqueName = null;
 	private int m_unique = 0;
 
 	/**
@@ -148,7 +148,7 @@ public class MBPartnerLocation extends X_C_BPartner_Location {
 	 * @return info
 	 */
 	public String toString() {
-		StringBuffer sb = new StringBuffer("MBPartner_Location[ID=")
+		StringBuilder sb = new StringBuilder("MBPartner_Location[ID=")
 				.append(get_ID()).append(",C_Location_ID=")
 				.append(getC_Location_ID()).append(",Name=").append(getName())
 				.append("]");
@@ -181,21 +181,21 @@ public class MBPartnerLocation extends X_C_BPartner_Location {
 	 *            address
 	 */
 	private void makeUnique(MLocation address) {
-		m_uniqueName = "";
+		m_uniqueName = new StringBuffer();
 
 		// 0 - City
 		if (m_unique >= 0 || m_uniqueName.length() == 0) {
 			String xx = address.getCity();
 			if (xx != null && xx.length() > 0)
-				m_uniqueName = xx;
+				m_uniqueName = new StringBuffer(xx);
 		}
 		// 1 + Address1
 		if (m_unique >= 1 || m_uniqueName.length() == 0) {
 			String xx = address.getAddress1();
 			if (xx != null && xx.length() > 0) {
 				if (m_uniqueName.length() > 0)
-					m_uniqueName += " ";
-				m_uniqueName += xx;
+					m_uniqueName.append(" ");
+				m_uniqueName.append(xx);
 			}
 		}
 		// 2 + Address2
@@ -203,8 +203,8 @@ public class MBPartnerLocation extends X_C_BPartner_Location {
 			String xx = address.getAddress2();
 			if (xx != null && xx.length() > 0) {
 				if (m_uniqueName.length() > 0)
-					m_uniqueName += " ";
-				m_uniqueName += xx;
+					m_uniqueName.append(" ");
+				m_uniqueName.append(xx);
 			}
 		}
 		// 3 - Region
@@ -212,8 +212,8 @@ public class MBPartnerLocation extends X_C_BPartner_Location {
 			String xx = address.getRegionName(true);
 			if (xx != null && xx.length() > 0) {
 				if (m_uniqueName.length() > 0)
-					m_uniqueName += " ";
-				m_uniqueName += xx;
+					m_uniqueName.append(" ");
+				m_uniqueName.append(xx);
 			}
 		}
 		// 4 - ID
@@ -221,12 +221,12 @@ public class MBPartnerLocation extends X_C_BPartner_Location {
 			int id = get_ID();
 			if (id == 0)
 				id = address.get_ID();
-			m_uniqueName += "#" + id;
+			m_uniqueName.append("#").append(id);
 		}
 	} // makeUnique
 
 	public String getBPLocName(MLocation address) {
-		m_uniqueName = getName();
+		m_uniqueName = new StringBuffer(getName());
 		m_unique = MSysConfig.getIntValue("START_VALUE_BPLOCATION_NAME", 0,
 				getAD_Client_ID(), getAD_Org_ID());
 		if (m_unique < 0 || m_unique > 4)
@@ -256,7 +256,7 @@ public class MBPartnerLocation extends X_C_BPartner_Location {
 				}
 			}
 		}
-		return m_uniqueName;
+		return m_uniqueName.toString();
 	}
 
 } // MBPartnerLocation

org.adempiere.base/src/org/compiere/model/MBank.java

@@ -86,7 +86,7 @@ public class MBank extends X_C_Bank
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MBank[");
+		StringBuilder sb = new StringBuilder ("MBank[");
 		sb.append (get_ID ()).append ("-").append(getName ()).append ("]");
 		return sb.toString ();
 	}	//	toString

org.adempiere.base/src/org/compiere/model/MBankAccount.java

@@ -95,7 +95,7 @@ public class MBankAccount extends X_C_BankAccount
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MBankAccount[")
+		StringBuilder sb = new StringBuilder ("MBankAccount[")
 			.append (get_ID())
 			.append("-").append(getAccountNo())
 			.append ("]");
@@ -117,7 +117,8 @@ public class MBankAccount extends X_C_BankAccount
 	 */
 	public String getName()
 	{
-		return getBank().getName() + " " + getAccountNo();
+		StringBuilder msgreturn = new StringBuilder(getBank().getName()).append(" ").append(getAccountNo());
+		return msgreturn.toString();
 	}	//	getName
 	
 	/**

org.adempiere.base/src/org/compiere/model/MBankStatement.java

@@ -148,8 +148,10 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgsd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgsd.toString());
+		}	
 	}	//	addDescription
 
 	/**
@@ -162,10 +164,10 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 		super.setProcessed (processed);
 		if (get_ID() == 0)
 			return;
-		String sql = "UPDATE C_BankStatementLine SET Processed='"
-			+ (processed ? "Y" : "N")
-			+ "' WHERE C_BankStatement_ID=" + getC_BankStatement_ID();
-		int noLine = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("UPDATE C_BankStatementLine SET Processed='")
+			.append((processed ? "Y" : "N"))
+			.append("' WHERE C_BankStatement_ID=").append(getC_BankStatement_ID());
+		int noLine = DB.executeUpdate(sql.toString(), get_TrxName());
 		m_lines = null;
 		log.fine("setProcessed - " + processed + " - Lines=" + noLine);
 	}	//	setProcessed
@@ -194,7 +196,8 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	 */
 	public String getDocumentInfo()
 	{
-		return getBankAccount().getName() + " " + getDocumentNo();
+		StringBuilder msgreturn = new StringBuilder(getBankAccount().getName()).append(" ").append(getDocumentNo());
+		return msgreturn.toString();
 	}	//	getDocumentInfo
 
 	/**
@@ -205,7 +208,8 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	{
 		try
 		{
-			File temp = File.createTempFile(get_TableName()+get_ID()+"_", ".pdf");
+			StringBuilder msgfile = new StringBuilder(get_TableName()).append(get_ID()).append("_");
+			File temp = File.createTempFile(msgfile.toString(), ".pdf");
 			return createPDF (temp);
 		}
 		catch (Exception e)
@@ -259,7 +263,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	}	//	processIt
 	
 	/**	Process Message 			*/
-	private String		m_processMsg = null;
+	private StringBuffer		m_processMsg = null;
 	/**	Just Prepared Flag			*/
 	private boolean		m_justPrepared = false;
 
@@ -292,7 +296,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	public String prepareIt()
 	{
 		log.info(toString());
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE);
+		m_processMsg = new StringBuffer( ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -301,7 +305,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 		MBankStatementLine[] lines = getLines(true);
 		if (lines.length == 0)
 		{
-			m_processMsg = "@NoLines@";
+			m_processMsg = new StringBuffer("@NoLines@");
 			return DocAction.STATUS_Invalid;
 		}
 		//	Lines
@@ -322,7 +326,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 		MPeriod.testPeriodOpen(getCtx(), minDate, MDocType.DOCBASETYPE_BankStatement, 0);
 		MPeriod.testPeriodOpen(getCtx(), maxDate, MDocType.DOCBASETYPE_BankStatement, 0);
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -369,7 +373,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 				return status;
 		}
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 		
@@ -401,7 +405,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 		String valid = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_COMPLETE);
 		if (valid != null)
 		{
-			m_processMsg = valid;
+			m_processMsg = new StringBuffer(valid);
 			return DocAction.STATUS_Invalid;
 		}
 		//
@@ -418,7 +422,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	{
 		log.info(toString());
 		// Before Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID));
 		if (m_processMsg != null)
 			return false;
 		
@@ -426,7 +430,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 			|| DOCSTATUS_Reversed.equals(getDocStatus())
 			|| DOCSTATUS_Voided.equals(getDocStatus()))
 		{
-			m_processMsg = "Document Closed: " + getDocStatus();
+			m_processMsg = new StringBuffer("Document Closed: ").append(getDocStatus());
 			setDocAction(DOCACTION_None);
 			return false;
 		}
@@ -460,16 +464,16 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 			MBankStatementLine line = lines[i];
 			if (line.getStmtAmt().compareTo(Env.ZERO) != 0)
 			{
-				String description = Msg.getMsg(getCtx(), "Voided") + " ("
-					+ Msg.translate(getCtx(), "StmtAmt") + "=" + line.getStmtAmt();
+				StringBuilder description = new StringBuilder(Msg.getMsg(getCtx(), "Voided")).append(" (")
+					.append(Msg.translate(getCtx(), "StmtAmt")).append("=").append(line.getStmtAmt());
 				if (line.getTrxAmt().compareTo(Env.ZERO) != 0)
-					description += ", " + Msg.translate(getCtx(), "TrxAmt") + "=" + line.getTrxAmt();
+					description.append(", ").append(Msg.translate(getCtx(), "TrxAmt")).append("=").append(line.getTrxAmt());
 				if (line.getChargeAmt().compareTo(Env.ZERO) != 0)
-					description += ", " + Msg.translate(getCtx(), "ChargeAmt") + "=" + line.getChargeAmt();
+					description.append(", ").append(Msg.translate(getCtx(), "ChargeAmt")).append("=").append(line.getChargeAmt());
 				if (line.getInterestAmt().compareTo(Env.ZERO) != 0)
-					description += ", " + Msg.translate(getCtx(), "InterestAmt") + "=" + line.getInterestAmt();
-				description += ")";
-				line.addDescription(description);
+					description.append(", ").append(Msg.translate(getCtx(), "InterestAmt")).append("=").append(line.getInterestAmt());
+				description.append(")");
+				line.addDescription(description.toString());
 				//
 				line.setStmtAmt(Env.ZERO);
 				line.setTrxAmt(Env.ZERO);
@@ -489,7 +493,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 		setStatementDifference(Env.ZERO);
 		
 		// After Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID));
 		if (m_processMsg != null)
 			return false;		
 		
@@ -506,14 +510,14 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	{
 		log.info("closeIt - " + toString());
 		// Before Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE));
 		if (m_processMsg != null)
 			return false;		
 
 		setDocAction(DOCACTION_None);
 
 		// After Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE));
 		if (m_processMsg != null)
 			return false;
 		return true;
@@ -527,12 +531,12 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	{
 		log.info("reverseCorrectIt - " + toString());
 		// Before reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 		
 		// After reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 		
@@ -547,12 +551,12 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	{
 		log.info("reverseAccrualIt - " + toString());
 		// Before reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 		
 		// After reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 		
@@ -567,12 +571,12 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	{
 		log.info("reActivateIt - " + toString());
 		// Before reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE));
 		if (m_processMsg != null)
 			return false;		
 		
 		// After reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE));
 		if (m_processMsg != null)
 			return false;		
 		return false;
@@ -585,7 +589,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	 */
 	public String getSummary()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(getName());
 		//	: Total Lines = 123.00 (#1)
 		sb.append(": ")
@@ -603,7 +607,7 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
 	 */
 	public String getProcessMsg()
 	{
-		return m_processMsg;
+		return m_processMsg.toString();
 	}	//	getProcessMsg
 	
 	/**

org.adempiere.base/src/org/compiere/model/MBankStatementLine.java

@@ -148,8 +148,10 @@ import org.compiere.util.Msg;
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgsd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgsd.toString());
+		}
 	}	//	addDescription
 
 	
@@ -252,19 +254,19 @@ import org.compiere.util.Msg;
 	 */
 	private boolean updateHeader()
 	{
-		String sql = "UPDATE C_BankStatement bs"
-			+ " SET StatementDifference=(SELECT COALESCE(SUM(StmtAmt),0) FROM C_BankStatementLine bsl "
-				+ "WHERE bsl.C_BankStatement_ID=bs.C_BankStatement_ID AND bsl.IsActive='Y') "
-			+ "WHERE C_BankStatement_ID=" + getC_BankStatement_ID();
-		int no = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("UPDATE C_BankStatement bs")
+			.append(" SET StatementDifference=(SELECT COALESCE(SUM(StmtAmt),0) FROM C_BankStatementLine bsl ")
+				.append("WHERE bsl.C_BankStatement_ID=bs.C_BankStatement_ID AND bsl.IsActive='Y') ")
+			.append("WHERE C_BankStatement_ID=").append(getC_BankStatement_ID());
+		int no = DB.executeUpdate(sql.toString(), get_TrxName());
 		if (no != 1) {
 			log.warning("StatementDifference #" + no);
 			return false;
 		}
-		sql = "UPDATE C_BankStatement bs"
-			+ " SET EndingBalance=BeginningBalance+StatementDifference "
-			+ "WHERE C_BankStatement_ID=" + getC_BankStatement_ID();
-		no = DB.executeUpdate(sql, get_TrxName());
+		sql = new StringBuilder("UPDATE C_BankStatement bs")
+			.append(" SET EndingBalance=BeginningBalance+StatementDifference ")
+			.append("WHERE C_BankStatement_ID=").append(getC_BankStatement_ID());
+		no = DB.executeUpdate(sql.toString(), get_TrxName());
 		if (no != 1) {
 			log.warning("Balance #" + no);
 			return false;

org.adempiere.base/src/org/compiere/model/MBankStatementLoader.java

@@ -133,7 +133,7 @@ import org.compiere.impexp.BankStatementLoaderInterface;
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MBankStatementLoader[")
+		StringBuilder sb = new StringBuilder ("MBankStatementLoader[")
 			.append(get_ID ()).append("-").append(getName())
 			.append ("]");
 		return sb.toString ();

org.adempiere.base/src/org/compiere/model/MCStage.java

@@ -163,7 +163,7 @@ public class MCStage extends X_CM_CStage
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MCStage[")
+		StringBuilder sb = new StringBuilder ("MCStage[")
 			.append (get_ID()).append ("-").append (getName()).append ("]");
 		return sb.toString ();
 	} 	//	toString
@@ -208,10 +208,10 @@ public class MCStage extends X_CM_CStage
 		}
 		if (newRecord)
 		{
-			StringBuffer sb = new StringBuffer ("INSERT INTO AD_TreeNodeCMS "
-				+ "(AD_Client_ID,AD_Org_ID, IsActive,Created,CreatedBy,Updated,UpdatedBy, "
-				+ "AD_Tree_ID, Node_ID, Parent_ID, SeqNo) "
-				+ "VALUES (")
+			StringBuilder sb = new StringBuilder ("INSERT INTO AD_TreeNodeCMS ")
+				.append("(AD_Client_ID,AD_Org_ID, IsActive,Created,CreatedBy,Updated,UpdatedBy, ")
+				.append("AD_Tree_ID, Node_ID, Parent_ID, SeqNo) ")
+				.append("VALUES (")
 				.append(getAD_Client_ID()).append(",0, 'Y', SysDate, 0, SysDate, 0,")
 				.append(getAD_Tree_ID()).append(",").append(get_ID())
 				.append(", 0, 999)");
@@ -237,7 +237,7 @@ public class MCStage extends X_CM_CStage
 		if (!success)
 			return success;
 		//
-		StringBuffer sb = new StringBuffer ("DELETE FROM AD_TreeNodeCMS ")
+		StringBuilder sb = new StringBuilder ("DELETE FROM AD_TreeNodeCMS ")
 			.append(" WHERE Node_ID=").append(get_IDOld())
 			.append(" AND AD_Tree_ID=").append(getAD_Tree_ID());
 		int no = DB.executeUpdate(sb.toString(), get_TrxName());
@@ -263,7 +263,7 @@ public class MCStage extends X_CM_CStage
 	 */
 	protected boolean checkElements () {
 		X_CM_Template thisTemplate = new X_CM_Template(getCtx(), this.getCM_Template_ID(), get_TrxName());
-		StringBuffer thisElementList = new StringBuffer(thisTemplate.getElements());
+		StringBuilder thisElementList = new StringBuilder(thisTemplate.getElements());
 		while (thisElementList.indexOf("\n")>=0) {
 			String thisElement = thisElementList.substring(0,thisElementList.indexOf("\n"));
 			thisElementList.delete(0,thisElementList.indexOf("\n")+1);
@@ -279,7 +279,8 @@ public class MCStage extends X_CM_CStage
 	 * @param elementName
 	 */
 	protected void checkElement(String elementName) {
-		int [] tableKeys = X_CM_CStage_Element.getAllIDs("CM_CStage_Element", "CM_CStage_ID=" + this.get_ID() + " AND Name like '" + elementName + "'", get_TrxName());
+		StringBuilder msgx = new StringBuilder("CM_CStage_ID=").append(this.get_ID()).append(" AND Name like '").append(elementName).append("'");
+		int [] tableKeys = X_CM_CStage_Element.getAllIDs("CM_CStage_Element", msgx.toString(), get_TrxName());
 		if (tableKeys==null || tableKeys.length==0) {
 			X_CM_CStage_Element thisElement = new X_CM_CStage_Element(getCtx(), 0, get_TrxName());
 			thisElement.setAD_Client_ID(getAD_Client_ID());
@@ -296,11 +297,13 @@ public class MCStage extends X_CM_CStage
 	 * @return true if updated
 	 */
 	protected boolean checkTemplateTable () {
-		int [] tableKeys = X_CM_TemplateTable.getAllIDs("CM_TemplateTable", "CM_Template_ID=" + this.getCM_Template_ID(), get_TrxName());
+		StringBuilder msgx = new StringBuilder("CM_Template_ID=").append(this.getCM_Template_ID());
+		int [] tableKeys = X_CM_TemplateTable.getAllIDs("CM_TemplateTable", msgx.toString(), get_TrxName());
 		if (tableKeys!=null) {
 			for (int i=0;i<tableKeys.length;i++) {
 				X_CM_TemplateTable thisTemplateTable = new X_CM_TemplateTable(getCtx(), tableKeys[i], get_TrxName());
-				int [] existingKeys = X_CM_CStageTTable.getAllIDs("CM_CStageTTable", "CM_TemplateTable_ID=" + thisTemplateTable.get_ID(), get_TrxName());
+				msgx = new StringBuilder("CM_TemplateTable_ID=").append(thisTemplateTable.get_ID());
+				int [] existingKeys = X_CM_CStageTTable.getAllIDs("CM_CStageTTable", msgx.toString(), get_TrxName());
 				if (existingKeys==null || existingKeys.length==0) {
 					X_CM_CStageTTable newCStageTTable = new X_CM_CStageTTable(getCtx(), 0, get_TrxName());
 					newCStageTTable.setAD_Client_ID(getAD_Client_ID());

org.adempiere.base/src/org/compiere/model/MCalendar.java

@@ -113,7 +113,8 @@ public class MCalendar extends X_C_Calendar
 	{
 		super(client.getCtx(), 0, client.get_TrxName());
 		setClientOrg(client);
-		setName(client.getName() + " " + Msg.translate(client.getCtx(), "C_Calendar_ID"));
+		StringBuilder msgset = new StringBuilder(client.getName()).append(" ").append(Msg.translate(client.getCtx(), "C_Calendar_ID"));
+		setName(msgset.toString());
 	}	//	MCalendar
 	
 	/**

org.adempiere.base/src/org/compiere/model/MCash.java

@@ -159,9 +159,9 @@ public class MCash extends X_C_Cash implements DocAction
 			Timestamp today = TimeUtil.getDay(System.currentTimeMillis());
 			setStatementDate (today);	// @#Date@
 			setDateAcct (today);	// @#Date@
-			String name = DisplayType.getDateFormat(DisplayType.Date).format(today)
-				+ " " + MOrg.get(ctx, getAD_Org_ID()).getValue();
-			setName (name);	
+			StringBuilder name = new StringBuilder(DisplayType.getDateFormat(DisplayType.Date).format(today))
+				.append(" ").append(MOrg.get(ctx, getAD_Org_ID()).getValue());
+			setName (name.toString());	
 			setIsApproved(false);
 			setPosted (false);	// N
 			setProcessed (false);
@@ -193,9 +193,9 @@ public class MCash extends X_C_Cash implements DocAction
 		{
 			setStatementDate (today);	
 			setDateAcct (today);
-			String name = DisplayType.getDateFormat(DisplayType.Date).format(today)
-				+ " " + cb.getName();
-			setName (name);	
+			StringBuilder name = new StringBuilder(DisplayType.getDateFormat(DisplayType.Date).format(today))
+				.append(" ").append(cb.getName());
+			setName (name.toString());	
 		}
 		m_book = cb;
 	}	//	MCash
@@ -254,7 +254,8 @@ public class MCash extends X_C_Cash implements DocAction
 	 */
 	public String getDocumentInfo()
 	{
-		return Msg.getElement(getCtx(), "C_Cash_ID") + " " + getDocumentNo();
+		StringBuilder msgreturn = new StringBuilder(Msg.getElement(getCtx(), "C_Cash_ID")).append(" ").append(getDocumentNo());
+		return msgreturn.toString();
 	}	//	getDocumentInfo
 
 	/**
@@ -265,7 +266,8 @@ public class MCash extends X_C_Cash implements DocAction
 	{
 		try
 		{
-			File temp = File.createTempFile(get_TableName()+get_ID()+"_", ".pdf");
+			StringBuilder msgfile = new StringBuilder(get_TableName()).append(get_ID()).append("_");
+			File temp = File.createTempFile(msgfile.toString(), ".pdf");
 			return createPDF (temp);
 		}
 		catch (Exception e)
@@ -320,7 +322,7 @@ public class MCash extends X_C_Cash implements DocAction
 	}	//	process
 	
 	/**	Process Message 			*/
-	private String		m_processMsg = null;
+	private StringBuffer	m_processMsg = null;
 	/**	Just Prepared Flag			*/
 	private boolean		m_justPrepared = false;
 
@@ -353,20 +355,20 @@ public class MCash extends X_C_Cash implements DocAction
 	public String prepareIt()
 	{
 		log.info(toString());
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
 		//	Std Period open?
 		if (!MPeriod.isOpen(getCtx(), getDateAcct(), MDocType.DOCBASETYPE_CashJournal, getAD_Org_ID()))
 		{
-			m_processMsg = "@PeriodClosed@";
+			m_processMsg = new StringBuffer("@PeriodClosed@");
 			return DocAction.STATUS_Invalid;
 		}
 		MCashLine[] lines = getLines(false);
 		if (lines.length == 0)
 		{
-			m_processMsg = "@NoLines@";
+			m_processMsg = new StringBuffer("@NoLines@");
 			return DocAction.STATUS_Invalid;
 		}
 		//	Add up Amounts
@@ -386,7 +388,7 @@ public class MCash extends X_C_Cash implements DocAction
 					getAD_Client_ID(), getAD_Org_ID());
 				if (amt == null)
 				{
-					m_processMsg = "No Conversion Rate found - @C_CashLine_ID@= " + line.getLine();
+					m_processMsg = new StringBuffer("No Conversion Rate found - @C_CashLine_ID@= ").append(line.getLine());
 					return DocAction.STATUS_Invalid;
 				}
 				difference = difference.add(amt);
@@ -395,7 +397,7 @@ public class MCash extends X_C_Cash implements DocAction
 		setStatementDifference(difference);
 	//	setEndingBalance(getBeginningBalance().add(getStatementDifference()));
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -441,7 +443,7 @@ public class MCash extends X_C_Cash implements DocAction
 				return status;
 		}
 		
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -466,19 +468,19 @@ public class MCash extends X_C_Cash implements DocAction
 					&& !MInvoice.DOCSTATUS_Voided.equals(invoice.getDocStatus())
 					)
 				{
-					m_processMsg = "@Line@ "+line.getLine()+": @InvoiceCreateDocNotCompleted@";
+					m_processMsg = new StringBuffer("@Line@ ").append(line.getLine()).append(": @InvoiceCreateDocNotCompleted@");
 					return DocAction.STATUS_Invalid;
 				}
 				//
-				String name = Msg.translate(getCtx(), "C_Cash_ID") + ": " + getName()
-								+ " - " + Msg.translate(getCtx(), "Line") + " " + line.getLine();
+				StringBuilder name = new StringBuilder(Msg.translate(getCtx(), "C_Cash_ID")).append(": ").append(getName())
+								.append(" - ").append(Msg.translate(getCtx(), "Line")).append(" ").append(line.getLine());
 				MAllocationHdr hdr = new MAllocationHdr(getCtx(), false, 
 						getDateAcct(), line.getC_Currency_ID(),
-						name, get_TrxName());
+						name.toString(), get_TrxName());
 				hdr.setAD_Org_ID(getAD_Org_ID());
 				if (!hdr.save())
 				{
-					m_processMsg = CLogger.retrieveErrorString("Could not create Allocation Hdr");
+					m_processMsg = new StringBuffer(CLogger.retrieveErrorString("Could not create Allocation Hdr"));
 					return DocAction.STATUS_Invalid;
 				}
 				//	Allocation Line
@@ -488,16 +490,16 @@ public class MCash extends X_C_Cash implements DocAction
 				aLine.setC_CashLine_ID(line.getC_CashLine_ID());
 				if (!aLine.save())
 				{
-					m_processMsg = CLogger.retrieveErrorString("Could not create Allocation Line");
+					m_processMsg = new StringBuffer(CLogger.retrieveErrorString("Could not create Allocation Line"));
 					return DocAction.STATUS_Invalid;
 				}
 				//	Should start WF
 				if(!hdr.processIt(DocAction.ACTION_Complete)) {
-					m_processMsg = CLogger.retrieveErrorString("Could not process Allocation");
+					m_processMsg = new StringBuffer(CLogger.retrieveErrorString("Could not process Allocation"));
 					return DocAction.STATUS_Invalid;
 				}
 				if (!hdr.save()) {
-					m_processMsg = CLogger.retrieveErrorString("Could not save Allocation");
+					m_processMsg = new StringBuffer(CLogger.retrieveErrorString("Could not save Allocation"));
 					return DocAction.STATUS_Invalid;
 				}
 			}
@@ -529,14 +531,14 @@ public class MCash extends X_C_Cash implements DocAction
 				pay.setProcessed(true);		
 				if (!pay.save())
 				{
-					m_processMsg = CLogger.retrieveErrorString("Could not create Payment");
+					m_processMsg = new StringBuffer(CLogger.retrieveErrorString("Could not create Payment"));
 					return DocAction.STATUS_Invalid;
 				}
 				
 				line.setC_Payment_ID(pay.getC_Payment_ID());
 				if (!line.save())
 				{
-					m_processMsg = "Could not update Cash Line";
+					m_processMsg = new StringBuffer("Could not update Cash Line");
 					return DocAction.STATUS_Invalid;
 				}
 			}
@@ -546,7 +548,7 @@ public class MCash extends X_C_Cash implements DocAction
 		String valid = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_COMPLETE);
 		if (valid != null)
 		{
-			m_processMsg = valid;
+			m_processMsg = new StringBuffer(valid);
 			return DocAction.STATUS_Invalid;
 		}
 		//
@@ -564,7 +566,7 @@ public class MCash extends X_C_Cash implements DocAction
 	{
 		log.info(toString());
 		// Before Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID));
 		if (m_processMsg != null)
 			return false;
 
@@ -573,7 +575,7 @@ public class MCash extends X_C_Cash implements DocAction
 		
 		if (retValue) {
 			// After Void
-			m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID);
+			m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID));
 			if (m_processMsg != null)
 				return false;		
 			setDocAction(DOCACTION_None);
@@ -594,7 +596,7 @@ public class MCash extends X_C_Cash implements DocAction
 			|| DOCSTATUS_Reversed.equals(getDocStatus())
 			|| DOCSTATUS_Voided.equals(getDocStatus()))
 		{
-			m_processMsg = "Document Closed: " + getDocStatus();
+			m_processMsg = new StringBuffer("Document Closed: ").append(getDocStatus());
 			setDocAction(DOCACTION_None);
 			return false;
 		}
@@ -621,9 +623,10 @@ public class MCash extends X_C_Cash implements DocAction
 			cashline.setAmount(Env.ZERO);
 			cashline.setDiscountAmt(Env.ZERO);
 			cashline.setWriteOffAmt(Env.ZERO);
-			cashline.addDescription(Msg.getMsg(getCtx(), "Voided")
-					+ " (Amount=" + oldAmount + ", Discount=" + oldDiscount
-					+ ", WriteOff=" + oldWriteOff + ", )");
+			StringBuilder msgadd = new StringBuilder(Msg.getMsg(getCtx(), "Voided"))
+					.append(" (Amount=").append(oldAmount).append(", Discount=").append(oldDiscount)
+					.append(", WriteOff=").append(oldWriteOff).append(", )");
+			cashline.addDescription(msgadd.toString());
 			if (MCashLine.CASHTYPE_BankAccountTransfer.equals(cashline.getCashType()))
 			{
 				if (cashline.getC_Payment_ID() == 0)
@@ -659,8 +662,10 @@ public class MCash extends X_C_Cash implements DocAction
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgsd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgsd.toString());
+		}	
 	}	//	addDescription
 
 	/**
@@ -672,14 +677,14 @@ public class MCash extends X_C_Cash implements DocAction
 	{
 		log.info(toString());
 		// Before Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE));
 		if (m_processMsg != null)
 			return false;
 		
 		setDocAction(DOCACTION_None);
 
 		// After Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE));
 		if (m_processMsg != null)
 			return false;
 		return true;
@@ -693,7 +698,7 @@ public class MCash extends X_C_Cash implements DocAction
 	{
 		log.info(toString());
 		// Before reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 		
@@ -702,7 +707,7 @@ public class MCash extends X_C_Cash implements DocAction
 		
 		if (retValue) {
 			// After reverseCorrect
-			m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT);
+			m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT));
 			if (m_processMsg != null)
 				return false;		
 		}
@@ -718,12 +723,12 @@ public class MCash extends X_C_Cash implements DocAction
 	{
 		log.info(toString());
 		// Before reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 		
 		// After reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 				
@@ -738,7 +743,7 @@ public class MCash extends X_C_Cash implements DocAction
 	{
 		log.info(toString());
 		// Before reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE));
 		if (m_processMsg != null)
 			return false;	
 				
@@ -747,7 +752,7 @@ public class MCash extends X_C_Cash implements DocAction
 			return true;
 
 		// After reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE));
 		if (m_processMsg != null)
 			return false;		
 		return false;
@@ -760,10 +765,10 @@ public class MCash extends X_C_Cash implements DocAction
 	public void setProcessed (boolean processed)
 	{
 		super.setProcessed (processed);
-		String sql = "UPDATE C_CashLine SET Processed='"
-			+ (processed ? "Y" : "N")
-			+ "' WHERE C_Cash_ID=" + getC_Cash_ID();
-		int noLine = DB.executeUpdate (sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("UPDATE C_CashLine SET Processed='")
+			.append((processed ? "Y" : "N"))
+			.append("' WHERE C_Cash_ID=").append(getC_Cash_ID());
+		int noLine = DB.executeUpdate (sql.toString(), get_TrxName());
 		m_lines = null;
 		log.fine(processed + " - Lines=" + noLine);
 	}	//	setProcessed
@@ -774,7 +779,7 @@ public class MCash extends X_C_Cash implements DocAction
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MCash[");
+		StringBuilder sb = new StringBuilder ("MCash[");
 		sb.append (get_ID ())
 			.append ("-").append (getName())
 			.append(", Balance=").append(getBeginningBalance())
@@ -789,7 +794,7 @@ public class MCash extends X_C_Cash implements DocAction
 	 */
 	public String getSummary()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(getName());
 		//	: Total Lines = 123.00 (#1)
 		sb.append(": ")
@@ -809,7 +814,7 @@ public class MCash extends X_C_Cash implements DocAction
 	 */
 	public String getProcessMsg()
 	{
-		return m_processMsg;
+		return m_processMsg.toString();
 	}	//	getProcessMsg
 	
 	/**

org.adempiere.base/src/org/compiere/model/MCashPlanLine.java

@@ -112,11 +112,11 @@ public class MCashPlanLine extends X_C_CashPlanLine
 	private boolean updateHeader()
 	{
 		//	Update Cash Plan Header
-		String sql = "UPDATE C_CashPlan "
-			+ " SET GrandTotal="
-				+ "(SELECT COALESCE(SUM(LineTotalAmt),0) FROM C_CashPlanLine WHERE C_CashPlan.C_CashPlan_ID=C_CashPlanLine.C_CashPlan_ID) "
-			+ "WHERE C_CashPlan_ID=" + getC_CashPlan_ID();
-		int no = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("UPDATE C_CashPlan ")
+			.append(" SET GrandTotal=")
+				.append("(SELECT COALESCE(SUM(LineTotalAmt),0) FROM C_CashPlanLine WHERE C_CashPlan.C_CashPlan_ID=C_CashPlanLine.C_CashPlan_ID) ")
+			.append("WHERE C_CashPlan_ID=").append(getC_CashPlan_ID());
+		int no = DB.executeUpdate(sql.toString(), get_TrxName());
 		if (no != 1)
 			log.warning("(1) #" + no);
 

org.adempiere.base/src/org/compiere/model/MChangeRequest.java

@@ -61,7 +61,8 @@ public class MChangeRequest extends X_M_ChangeRequest
 	{
 		this (request.getCtx(), 0, request.get_TrxName());
 		setClientOrg(request);
-		setName(Msg.getElement(getCtx(), "R_Request_ID") + ": " + request.getDocumentNo());
+		StringBuilder msgset = new StringBuilder(Msg.getElement(getCtx(), "R_Request_ID")).append(": ").append(request.getDocumentNo());
+		setName(msgset.toString());
 		setHelp(request.getSummary());
 		//
 		setPP_Product_BOM_ID(group.getPP_Product_BOM_ID());

org.adempiere.base/src/org/compiere/model/MChat.java

@@ -195,8 +195,10 @@ public class MChat extends X_CM_Chat
 	{
 		if (Description != null && Description.length() > 0)
 			super.setDescription (Description);
-		else
-			super.setDescription (getAD_Table_ID() + "#" + getRecord_ID());
+		else{
+			StringBuilder msgsd = new StringBuilder(getAD_Table_ID()).append("#").append(getRecord_ID());
+			super.setDescription (msgsd.toString());
+		}	
 	}	//	setDescription
 	
 	/**

org.adempiere.base/src/org/compiere/model/MClick.java

@@ -202,7 +202,8 @@ public class MClick extends X_W_Click
 		try
 		{
 			pstmt = DB.prepareStatement(sql, null);
-			pstmt.setString(1, "%" + url + "%");
+			StringBuilder msgstr = new StringBuilder("%").append(url).append("%");
+			pstmt.setString(1, msgstr.toString());
 			ResultSet rs = pstmt.executeQuery();
 			while (rs.next())
 			{
@@ -271,6 +272,7 @@ public class MClick extends X_W_Click
 				}
 			}
 		}
+		
 		System.out.println("#" + counter);
 	}	//	main
 	

org.adempiere.base/src/org/compiere/model/MClickCount.java

@@ -108,15 +108,15 @@ public class MClickCount extends X_W_ClickCount
 	protected ValueNamePair[] getCount (String DateFormat)
 	{
 		ArrayList<ValueNamePair> list = new ArrayList<ValueNamePair>();
-		String sql = "SELECT TRUNC(Created, '" + DateFormat + "'), Count(*) "
-			+ "FROM W_Click "
-			+ "WHERE W_ClickCount_ID=? "
-			+ "GROUP BY TRUNC(Created, '" + DateFormat + "')";
+		StringBuilder sql = new StringBuilder("SELECT TRUNC(Created, '").append(DateFormat).append("'), Count(*) ")
+			.append("FROM W_Click ")
+			.append("WHERE W_ClickCount_ID=? ")
+			.append("GROUP BY TRUNC(Created, '").append(DateFormat).append("')");
 		//
 		PreparedStatement pstmt = null;
 		try
 		{
-			pstmt = DB.prepareStatement(sql, null);
+			pstmt = DB.prepareStatement(sql.toString(), null);
 			pstmt.setInt(1, getW_ClickCount_ID());
 			ResultSet rs = pstmt.executeQuery();
 			while (rs.next())
@@ -132,7 +132,7 @@ public class MClickCount extends X_W_ClickCount
 		}
 		catch (SQLException ex)
 		{
-			log.log(Level.SEVERE, sql, ex);
+			log.log(Level.SEVERE, sql.toString(), ex);
 		}
 		try
 		{

org.adempiere.base/src/org/compiere/model/MClient.java

@@ -212,7 +212,7 @@ public class MClient extends X_AD_Client
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer ("MClient[")
+		StringBuilder sb = new StringBuilder ("MClient[")
 			.append(get_ID()).append("-").append(getValue())
 			.append("]");
 		return sb.toString();
@@ -289,13 +289,13 @@ public class MClient extends X_AD_Client
 	public boolean setupClientInfo (String language)
 	{
 		//	Create Trees
-		String sql = null;
+		StringBuilder sql = null;
 		if (Env.isBaseLanguage (language, "AD_Ref_List"))	//	Get TreeTypes & Name
-			sql = "SELECT Value, Name FROM AD_Ref_List WHERE AD_Reference_ID=120 AND IsActive='Y'";
+			sql = new StringBuilder("SELECT Value, Name FROM AD_Ref_List WHERE AD_Reference_ID=120 AND IsActive='Y'");
 		else
-			sql = "SELECT l.Value, t.Name FROM AD_Ref_List l, AD_Ref_List_Trl t "
-				+ "WHERE l.AD_Reference_ID=120 AND l.AD_Ref_List_ID=t.AD_Ref_List_ID AND l.IsActive='Y'"
-				+ " AND t.AD_Language=" + DB.TO_STRING(language);
+			sql = new StringBuilder("SELECT l.Value, t.Name FROM AD_Ref_List l, AD_Ref_List_Trl t ")
+				.append("WHERE l.AD_Reference_ID=120 AND l.AD_Ref_List_ID=t.AD_Ref_List_ID AND l.IsActive='Y'")
+				.append(" AND t.AD_Language=").append(DB.TO_STRING(language));
 
 		//  Tree IDs
 		int AD_Tree_Org_ID=0, AD_Tree_BPartner_ID=0, AD_Tree_Project_ID=0,
@@ -305,59 +305,59 @@ public class MClient extends X_AD_Client
 		boolean success = false;
 		try
 		{
-			PreparedStatement stmt = DB.prepareStatement(sql, get_TrxName());
+			PreparedStatement stmt = DB.prepareStatement(sql.toString(), get_TrxName());
 			ResultSet rs = stmt.executeQuery();
 			MTree_Base tree = null;
 			while (rs.next())
 			{
 				String value = rs.getString(1);
-				String name = getName() + " " + rs.getString(2);
+				StringBuilder name = new StringBuilder(getName()).append(" ").append(rs.getString(2));
 				//
 				if (value.equals(X_AD_Tree.TREETYPE_Organization))
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 					AD_Tree_Org_ID = tree.getAD_Tree_ID();
 				}
 				else if (value.equals(X_AD_Tree.TREETYPE_BPartner))
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 					AD_Tree_BPartner_ID = tree.getAD_Tree_ID();
 				}
 				else if (value.equals(X_AD_Tree.TREETYPE_Project))
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 					AD_Tree_Project_ID = tree.getAD_Tree_ID();
 				}
 				else if (value.equals(X_AD_Tree.TREETYPE_SalesRegion))
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 					AD_Tree_SalesRegion_ID = tree.getAD_Tree_ID();
 				}
 				else if (value.equals(X_AD_Tree.TREETYPE_Product))
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 					AD_Tree_Product_ID = tree.getAD_Tree_ID();
 				}
 				else if (value.equals(X_AD_Tree.TREETYPE_ElementValue))
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 					m_AD_Tree_Account_ID = tree.getAD_Tree_ID();
 				}
 				else if (value.equals(X_AD_Tree.TREETYPE_Campaign))
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 					AD_Tree_Campaign_ID = tree.getAD_Tree_ID();
 				}
 				else if (value.equals(X_AD_Tree.TREETYPE_Activity))
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 					AD_Tree_Activity_ID = tree.getAD_Tree_ID();
 				}
@@ -365,7 +365,7 @@ public class MClient extends X_AD_Client
 					success = true;
 				else	//	PC (Product Category), BB (BOM)
 				{
-					tree = new MTree_Base (this, name, value);
+					tree = new MTree_Base (this, name.toString(), value);
 					success = tree.save();
 				}
 				if (!success)
@@ -467,14 +467,18 @@ public class MClient extends X_AD_Client
 	 */
 	public String testEMail()
 	{
-		if (getRequestEMail() == null || getRequestEMail().length() == 0)
-			return "No Request EMail for " + getName();
+		if (getRequestEMail() == null || getRequestEMail().length() == 0){
+			StringBuilder msgreturn = new StringBuilder("No Request EMail for ").append(getName());
+			return msgreturn.toString();
+		}	
 		//
+		StringBuilder msgce = new StringBuilder("Adempiere EMail Test: ").append(toString());
 		EMail email = createEMail (getRequestEMail(),
-			"Adempiere EMail Test",
-			"Adempiere EMail Test: " + toString());
-		if (email == null)
-			return "Could not create EMail: " + getName();
+			"Adempiere EMail Test",msgce.toString());
+		if (email == null){
+			StringBuilder msgreturn = new StringBuilder("Could not create EMail: ").append(getName());
+			return msgreturn.toString();
+		}	
 		try
 		{
 			String msg = null;
@@ -920,52 +924,52 @@ public class MClient extends X_AD_Client
 		if (m_fieldAccess == null)
 		{
 			m_fieldAccess = new ArrayList<Integer>(11000);
-			String sqlvalidate =
-				"SELECT AD_Field_ID "
-				 + "  FROM AD_Field "
-				 + " WHERE (   AD_Field_ID NOT IN ( "
-				 // ASP subscribed fields for client
-				 + "              SELECT f.AD_Field_ID "
-				 + "                FROM ASP_Field f, ASP_Tab t, ASP_Window w, ASP_Level l, ASP_ClientLevel cl "
-				 + "               WHERE w.ASP_Level_ID = l.ASP_Level_ID "
-				 + "                 AND cl.AD_Client_ID = " + getAD_Client_ID()
-				 + "                 AND cl.ASP_Level_ID = l.ASP_Level_ID "
-				 + "                 AND f.ASP_Tab_ID = t.ASP_Tab_ID "
-				 + "                 AND t.ASP_Window_ID = w.ASP_Window_ID "
-				 + "                 AND f.IsActive = 'Y' "
-				 + "                 AND t.IsActive = 'Y' "
-				 + "                 AND w.IsActive = 'Y' "
-				 + "                 AND l.IsActive = 'Y' "
-				 + "                 AND cl.IsActive = 'Y' "
-				 + "                 AND f.ASP_Status = 'H' "
-				 +"                  AND f.AD_Field_ID NOT IN ("
-				 +" 				 SELECT AD_Field_ID"             
-				 +" 				 FROM ASP_ClientException ce"            
-				 +" 				 WHERE ce.AD_Client_ID ="+getAD_Client_ID()             
-				 +" 				 AND ce.IsActive = 'Y'"              
-				 +"                  AND ce.AD_Field_ID IS NOT NULL"              
-				 +" 				 AND ce.ASP_Status <> 'H')"
-				 + "   UNION ALL "
+			StringBuilder sqlvalidate = new StringBuilder(
+				"SELECT AD_Field_ID ")
+				 .append("  FROM AD_Field ")
+				 .append(" WHERE (   AD_Field_ID NOT IN ( ")
+				 // ASP subscribed fields for client)
+				 .append("              SELECT f.AD_Field_ID ")
+				 .append("                FROM ASP_Field f, ASP_Tab t, ASP_Window w, ASP_Level l, ASP_ClientLevel cl ")
+				 .append("               WHERE w.ASP_Level_ID = l.ASP_Level_ID ")
+				 .append("                 AND cl.AD_Client_ID = ").append(getAD_Client_ID())
+				 .append("                 AND cl.ASP_Level_ID = l.ASP_Level_ID ")
+				 .append("                 AND f.ASP_Tab_ID = t.ASP_Tab_ID ")
+				 .append("                 AND t.ASP_Window_ID = w.ASP_Window_ID ")
+				 .append("                 AND f.IsActive = 'Y' ")
+				 .append("                 AND t.IsActive = 'Y' ")
+				 .append("                 AND w.IsActive = 'Y' ")
+				 .append("                 AND l.IsActive = 'Y' ")
+				 .append("                 AND cl.IsActive = 'Y' ")
+				 .append("                 AND f.ASP_Status = 'H' ")
+				 .append("                  AND f.AD_Field_ID NOT IN (")
+				 .append(" 				 SELECT AD_Field_ID")             
+				 .append(" 				 FROM ASP_ClientException ce")            
+				 .append(" 				 WHERE ce.AD_Client_ID =").append(getAD_Client_ID())             
+				 .append(" 				 AND ce.IsActive = 'Y'") 
+				 .append("                  AND ce.AD_Field_ID IS NOT NULL")              
+				 .append(" 				 AND ce.ASP_Status <> 'H')")
+				 .append("   UNION ALL ")
 				 // minus ASP hide exceptions for client
-				 + "          SELECT AD_Field_ID "
-				 + "            FROM ASP_ClientException ce "
-				 + "           WHERE ce.AD_Client_ID = " + getAD_Client_ID()
-				 + "             AND ce.IsActive = 'Y' "
-				 + "             AND ce.AD_Field_ID IS NOT NULL "
-				 + "             AND ce.ASP_Status = 'H'))"
-				 + " ORDER BY AD_Field_ID";
+				 .append("          SELECT AD_Field_ID ")
+				 .append("            FROM ASP_ClientException ce ")
+				 .append("           WHERE ce.AD_Client_ID = ").append(getAD_Client_ID())
+				 .append("             AND ce.IsActive = 'Y' ")
+				 .append("             AND ce.AD_Field_ID IS NOT NULL ")
+				 .append("             AND ce.ASP_Status = 'H'))")
+				 .append(" ORDER BY AD_Field_ID");
 			PreparedStatement pstmt = null;
 			ResultSet rs = null;
 			try
 			{
-				pstmt = DB.prepareStatement(sqlvalidate, get_TrxName());
+				pstmt = DB.prepareStatement(sqlvalidate.toString(), get_TrxName());
 				rs = pstmt.executeQuery();
 				while (rs.next())
 					m_fieldAccess.add(rs.getInt(1));
 			}
 			catch (Exception e)
 			{
-				log.log(Level.SEVERE, sqlvalidate, e);
+				log.log(Level.SEVERE, sqlvalidate.toString(), e);
 			}
 			finally
 			{

org.adempiere.base/src/org/compiere/model/MClientShare.java

@@ -88,12 +88,12 @@ public class MClientShare extends X_AD_ClientShare
 				{
 					int Client_ID = rs.getInt(1);
 					int table_ID = rs.getInt(2);
-					String key = Client_ID + "_" + table_ID;
+					StringBuilder key = new StringBuilder(Client_ID).append("_").append(table_ID);
 					String ShareType = rs.getString(3);
 					if (ShareType.equals(SHARETYPE_ClientAllShared))
-						s_shares.put(key, Boolean.TRUE);
+						s_shares.put(key.toString(), Boolean.TRUE);
 					else if (ShareType.equals(SHARETYPE_OrgNotShared))
-						s_shares.put(key, Boolean.FALSE);
+						s_shares.put(key.toString(), Boolean.FALSE);
 				}
 				rs.close ();
 				pstmt.close ();
@@ -116,7 +116,7 @@ public class MClientShare extends X_AD_ClientShare
 			if (s_shares.isEmpty())		//	put in something
 				s_shares.put("0_0", Boolean.TRUE);
 		}	//	load
-		String key = AD_Client_ID + "_" + AD_Table_ID;
+		StringBuilder key = new StringBuilder(AD_Client_ID).append("_").append(AD_Table_ID);
 		return s_shares.get(key);
 	}	//	load
 	
@@ -211,26 +211,26 @@ public class MClientShare extends X_AD_ClientShare
 	 */
 	public String setDataToLevel()
 	{
-		String info = "-";
+		StringBuilder info = new StringBuilder("-");
 		if (isClientLevelOnly())
 		{
-			StringBuffer sql = new StringBuffer("UPDATE ")
+			StringBuilder sql = new StringBuilder("UPDATE ")
 				.append(getTableName())
 				.append(" SET AD_Org_ID=0 WHERE AD_Org_ID<>0 AND AD_Client_ID=?");
 			int no = DB.executeUpdate(sql.toString(), getAD_Client_ID(), get_TrxName());
-			info = getTableName() + " set to Shared #" + no;
-			log.info(info);
+			info = new StringBuilder(getTableName()).append(" set to Shared #").append(no);
+			log.info(info.toString());
 		}
 		else if (isOrgLevelOnly())
 		{
-			StringBuffer sql = new StringBuffer("SELECT COUNT(*) FROM ")
+			StringBuilder sql = new StringBuilder("SELECT COUNT(*) FROM ")
 				.append(getTableName())
 				.append(" WHERE AD_Org_ID=0 AND AD_Client_ID=?");
 			int no = DB.getSQLValue(get_TrxName(), sql.toString(), getAD_Client_ID());
-			info = getTableName() + " Shared records #" + no;
-			log.info(info);
+			info = new StringBuilder(getTableName()).append(" Shared records #").append(no);
+			log.info(info.toString());
 		}
-		return info;
+		return info.toString();
 	}	//	setDataToLevel
 
 	/**
@@ -239,7 +239,7 @@ public class MClientShare extends X_AD_ClientShare
 	 */
 	public String listChildRecords()
 	{
-		StringBuffer info = new StringBuffer();
+		StringBuilder info = new StringBuilder();
 		String sql = "SELECT AD_Table_ID, TableName "
 			+ "FROM AD_Table t "
 			+ "WHERE AccessLevel='3' AND IsView='N'"

org.adempiere.base/src/org/compiere/model/MColor.java

@@ -54,7 +54,8 @@ public class MColor extends X_AD_Color
 	 */
 	public String toString()
 	{
-		return "MColor[ID=" + get_ID() + " - " + getName() + "]";
+		StringBuilder msgreturn = new StringBuilder("MColor[ID=").append(get_ID()).append(" - ").append(getName()).append("]");
+		return msgreturn.toString();
 	}   //  toString
 
 	/**

org.adempiere.base/src/org/compiere/model/MColorSchema.java

@@ -204,7 +204,7 @@ public class MColorSchema extends X_PA_ColorSchema
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MColorSchema[");
+		StringBuilder sb = new StringBuilder ("MColorSchema[");
 		sb.append (get_ID()).append ("-").append (getName()).append ("]");
 		return sb.toString ();
 	}	//	toString

org.adempiere.base/src/org/compiere/model/MColumn.java

@@ -304,7 +304,7 @@ public class MColumn extends X_AD_Column
 				|| is_ValueChanged(MColumn.COLUMNNAME_Description)
 				|| is_ValueChanged(MColumn.COLUMNNAME_Help)
 				) {
-				StringBuffer sql = new StringBuffer("UPDATE AD_Field SET Name=")
+				StringBuilder sql = new StringBuilder("UPDATE AD_Field SET Name=")
 					.append(DB.TO_STRING(getName()))
 					.append(", Description=").append(DB.TO_STRING(getDescription()))
 					.append(", Help=").append(DB.TO_STRING(getHelp()))
@@ -324,7 +324,7 @@ public class MColumn extends X_AD_Column
 	 */
 	public String getSQLAdd (MTable table)
 	{
-		StringBuffer sql = new StringBuffer ("ALTER TABLE ")
+		StringBuilder sql = new StringBuilder ("ALTER TABLE ")
 			.append(table.getTableName())
 			.append(" ADD ").append(getSQLDDL());
 		String constraint = getConstraint(table.getTableName());
@@ -345,7 +345,7 @@ public class MColumn extends X_AD_Column
 		if (isVirtualColumn())
 			return null;
 		
-		StringBuffer sql = new StringBuffer (getColumnName())
+		StringBuilder sql = new StringBuilder (getColumnName())
 			.append(" ").append(getSQLDataType());
 
 		//	Default
@@ -393,13 +393,13 @@ public class MColumn extends X_AD_Column
 	 */
 	public String getSQLModify (MTable table, boolean setNullOption)
 	{
-		StringBuffer sql = new StringBuffer();
-		StringBuffer sqlBase = new StringBuffer ("ALTER TABLE ")
+		StringBuilder sql = new StringBuilder();
+		StringBuilder sqlBase = new StringBuilder ("ALTER TABLE ")
 			.append(table.getTableName())
 			.append(" MODIFY ").append(getColumnName());
 		
 		//	Default
-		StringBuffer sqlDefault = new StringBuffer(sqlBase)
+		StringBuilder sqlDefault = new StringBuilder(sqlBase)
 			.append(" ").append(getSQLDataType());
 		String defaultValue = getDefaultValue();
 		if (defaultValue != null 
@@ -433,7 +433,7 @@ public class MColumn extends X_AD_Column
 		//	Null Values
 		if (isMandatory() && defaultValue != null && defaultValue.length() > 0)
 		{
-			StringBuffer sqlSet = new StringBuffer("UPDATE ")
+			StringBuilder sqlSet = new StringBuilder("UPDATE ")
 				.append(table.getTableName())
 				.append(" SET ").append(getColumnName())
 				.append("=").append(defaultValue)
@@ -444,7 +444,7 @@ public class MColumn extends X_AD_Column
 		//	Null
 		if (setNullOption)
 		{
-			StringBuffer sqlNull = new StringBuffer(sqlBase);
+			StringBuilder sqlNull = new StringBuilder(sqlBase);
 			if (isMandatory())
 				sqlNull.append(" NOT NULL");
 			else
@@ -505,13 +505,14 @@ public class MColumn extends X_AD_Column
 	public String getConstraint(String tableName)
 	{
 		if (isKey()) {
-			String constraintName;
+			StringBuilder constraintName;
 			if (tableName.length() > 26)
 				// Oracle restricts object names to 30 characters
-				constraintName = tableName.substring(0, 26) + "_Key";
+				constraintName = new StringBuilder(tableName.substring(0, 26)).append("_Key");
 			else
-				constraintName = tableName + "_Key";
-			return "CONSTRAINT " + constraintName + " PRIMARY KEY (" + getColumnName() + ")";
+				constraintName = new StringBuilder(tableName).append("_Key");
+			StringBuilder msgreturn = new StringBuilder("CONSTRAINT ").append(constraintName).append(" PRIMARY KEY (").append(getColumnName()).append(")");
+			return msgreturn.toString();
 		}
 		/**
 		if (getAD_Reference_ID() == DisplayType.TableDir 
@@ -530,7 +531,7 @@ public class MColumn extends X_AD_Column
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer ("MColumn[");
+		StringBuilder sb = new StringBuilder ("MColumn[");
 		sb.append (get_ID()).append ("-").append (getColumnName()).append ("]");
 		return sb.toString ();
 	}	//	toString

org.adempiere.base/src/org/compiere/model/MColumnAccess.java

@@ -68,7 +68,7 @@ public class MColumnAccess extends X_AD_Column_Access
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer("MColumnAccess[");
+		StringBuilder sb = new StringBuilder("MColumnAccess[");
 		sb.append("AD_Role_ID=").append(getAD_Role_ID())
 			.append(",AD_Table_ID=").append(getAD_Table_ID())
 			.append(",AD_Column_ID=").append(getAD_Column_ID())
@@ -86,7 +86,7 @@ public class MColumnAccess extends X_AD_Column_Access
 	{
 		String in = Msg.getMsg(ctx, "Include");
 		String ex = Msg.getMsg(ctx, "Exclude");
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(Msg.translate(ctx, "AD_Table_ID"))
 			.append("=").append(getTableName(ctx)).append(", ")
 			.append(Msg.translate(ctx, "AD_Column_ID"))
@@ -157,8 +157,9 @@ public class MColumnAccess extends X_AD_Column_Access
 				pstmt = null;
 			}
 			//	Get Clear Text
-			String realName = Msg.translate(ctx, m_tableName + "_ID");
-			if (!realName.equals(m_tableName + "_ID"))
+			StringBuilder msgrn = new StringBuilder(m_tableName).append("_ID");
+			String realName = Msg.translate(ctx, msgrn.toString());
+			if (!realName.equals(msgrn.toString()))
 				m_tableName = realName;
 			m_columnName = Msg.translate(ctx, m_columnName);
 		}		

org.adempiere.base/src/org/compiere/model/MContactInterest.java

@@ -204,7 +204,7 @@ public class MContactInterest extends X_R_ContactInterest
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MContactInterest[")
+		StringBuilder sb = new StringBuilder ("MContactInterest[")
 			.append("R_InterestArea_ID=").append(getR_InterestArea_ID())
 			.append(",AD_User_ID=").append(getAD_User_ID())
 			.append(",Subscribed=").append(isSubscribed())

org.adempiere.base/src/org/compiere/model/MContainer.java

@@ -274,18 +274,20 @@ public class MContainer extends X_CM_Container
 				.getProperty ("java.naming.provider.url")), log, getCtx (),
 			get_TrxName ());
 		// First update the new ones...
+		StringBuilder msgx = new StringBuilder("CM_CStage_ID=").append(stage.get_ID ());
 		int[] tableKeys = X_CM_CStage_Element.getAllIDs ("CM_CStage_Element",
-			"CM_CStage_ID=" + stage.get_ID (), trxName);
+			msgx.toString(), trxName);
 		if (tableKeys != null && tableKeys.length > 0)
 		{
 			for (int i = 0; i < tableKeys.length; i++)
 			{
 				X_CM_CStage_Element thisStageElement = new X_CM_CStage_Element (
 					project.getCtx (), tableKeys[i], trxName);
+				msgx = new StringBuilder("CM_Container_ID=")
+						.append(stage.get_ID ()).append(" AND Name LIKE '")
+						.append(thisStageElement.getName ()).append("'");
 				int[] thisContainerElementKeys = X_CM_Container_Element
-					.getAllIDs ("CM_Container_Element", "CM_Container_ID="
-						+ stage.get_ID () + " AND Name LIKE '"
-						+ thisStageElement.getName () + "'", trxName);
+					.getAllIDs ("CM_Container_Element", msgx.toString(), trxName);
 				X_CM_Container_Element thisContainerElement;
 				if (thisContainerElementKeys != null
 					&& thisContainerElementKeys.length > 0)
@@ -318,18 +320,20 @@ public class MContainer extends X_CM_Container
 			}
 		}
 		// Now we are checking the existing ones to delete the unneeded ones...
+		msgx = new StringBuilder("CM_Container_ID=").append(stage.get_ID ());
 		tableKeys = X_CM_Container_Element.getAllIDs ("CM_Container_Element",
-			"CM_Container_ID=" + stage.get_ID (), trxName);
+			msgx.toString(), trxName);
 		if (tableKeys != null && tableKeys.length > 0)
 		{
 			for (int i = 0; i < tableKeys.length; i++)
 			{
 				X_CM_Container_Element thisContainerElement = new X_CM_Container_Element (
 					project.getCtx (), tableKeys[i], trxName);
+				msgx = new StringBuilder("CM_CStage_ID=")
+						.append(stage.get_ID ()).append(" AND Name LIKE '")
+						.append(thisContainerElement.getName ()).append("'");
 				int[] thisCStageElementKeys = X_CM_CStage_Element
-					.getAllIDs ("CM_CStage_Element", "CM_CStage_ID="
-						+ stage.get_ID () + " AND Name LIKE '"
-						+ thisContainerElement.getName () + "'", trxName);
+					.getAllIDs ("CM_CStage_Element", msgx.toString(), trxName);
 				// If we cannot find a representative in the Stage we will delete from production
 				if (thisCStageElementKeys == null
 					|| thisCStageElementKeys.length < 1)
@@ -356,18 +360,20 @@ public class MContainer extends X_CM_Container
 	protected void updateTTables (MWebProject project, MCStage stage,
 		String trxName)
 	{
+		StringBuilder msgx = new StringBuilder("CM_CStage_ID=").append(stage.get_ID ());
 		int[] tableKeys = X_CM_CStageTTable.getAllIDs (I_CM_CStageTTable.Table_Name,
-			"CM_CStage_ID=" + stage.get_ID (), trxName);
+			msgx.toString(), trxName);
 		if (tableKeys != null && tableKeys.length > 0)
 		{
 			for (int i = 0; i < tableKeys.length; i++)
 			{
 				X_CM_CStageTTable thisStageTTable = new X_CM_CStageTTable (
 					project.getCtx (), tableKeys[i], trxName);
+				msgx = new StringBuilder("CM_Container_ID=").append(stage.get_ID ())
+						.append(" AND CM_TemplateTable_ID=")
+						.append(thisStageTTable.getCM_TemplateTable_ID ());
 				int[] thisContainerTTableKeys = X_CM_ContainerTTable.getAllIDs (
-					I_CM_ContainerTTable.Table_Name, "CM_Container_ID=" + stage.get_ID ()
-						+ " AND CM_TemplateTable_ID="
-						+ thisStageTTable.getCM_TemplateTable_ID (), trxName);
+					I_CM_ContainerTTable.Table_Name, msgx.toString(), trxName);
 				X_CM_ContainerTTable thisContainerTTable;
 				if (thisContainerTTableKeys != null
 					&& thisContainerTTableKeys.length > 0)
@@ -407,7 +413,7 @@ public class MContainer extends X_CM_Container
      */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MContainer[").append (get_ID ())
+		StringBuilder sb = new StringBuilder ("MContainer[").append (get_ID ())
 			.append ("-").append (getName ()).append ("]");
 		return sb.toString ();
 	} // toString
@@ -427,10 +433,10 @@ public class MContainer extends X_CM_Container
 			return success;
 		if (newRecord)
 		{
-			StringBuffer sb = new StringBuffer (
-				"INSERT INTO AD_TreeNodeCMC "
-					+ "(AD_Client_ID,AD_Org_ID, IsActive,Created,CreatedBy,Updated,UpdatedBy, "
-					+ "AD_Tree_ID, Node_ID, Parent_ID, SeqNo) " + "VALUES (")
+			StringBuilder sb = new StringBuilder (
+				"INSERT INTO AD_TreeNodeCMC ")
+					.append("(AD_Client_ID,AD_Org_ID, IsActive,Created,CreatedBy,Updated,UpdatedBy, ")
+					.append("AD_Tree_ID, Node_ID, Parent_ID, SeqNo) ").append("VALUES (")
 				.append (getAD_Client_ID ()).append (
 					",0, 'Y', SysDate, 0, SysDate, 0,").append (
 					getAD_Tree_ID ()).append (",").append (get_ID ()).append (
@@ -447,7 +453,8 @@ public class MContainer extends X_CM_Container
 	
 	protected MContainerElement[] getAllElements()
 	{
-		int elements[] = MContainerElement.getAllIDs("CM_Container_Element", "CM_Container_ID=" + get_ID(), get_TrxName());
+		StringBuilder msgmc = new StringBuilder("CM_Container_ID=").append(get_ID());
+		int elements[] = MContainerElement.getAllIDs("CM_Container_Element", msgmc.toString(), get_TrxName());
 		if (elements.length>0)
 		{
 			MContainerElement[] containerElements = new MContainerElement[elements.length];
@@ -475,7 +482,7 @@ public class MContainer extends X_CM_Container
 			}
 		}
 		//
-		StringBuffer sb = new StringBuffer ("DELETE FROM AD_TreeNodeCMC ")
+		StringBuilder sb = new StringBuilder ("DELETE FROM AD_TreeNodeCMC ")
 			.append (" WHERE Node_ID=").append (get_ID ()).append (
 				" AND AD_Tree_ID=").append (getAD_Tree_ID ());
 		int no = DB.executeUpdate (sb.toString (), get_TrxName ());
@@ -497,7 +504,7 @@ public class MContainer extends X_CM_Container
 		if (!success)
 			return success;
 		//
-		StringBuffer sb = new StringBuffer ("DELETE FROM AD_TreeNodeCMC ")
+		StringBuilder sb = new StringBuilder ("DELETE FROM AD_TreeNodeCMC ")
 			.append (" WHERE Node_ID=").append (get_IDOld ()).append (
 				" AND AD_Tree_ID=").append (getAD_Tree_ID ());
 		int no = DB.executeUpdate (sb.toString (), get_TrxName ());

org.adempiere.base/src/org/compiere/model/MConversionRate.java

@@ -372,7 +372,7 @@ public class MConversionRate extends X_C_Conversion_Rate
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer("MConversionRate[");
+		StringBuilder sb = new StringBuilder("MConversionRate[");
 		sb.append(get_ID())
 			.append(",Currency=").append(getC_Currency_ID())
 			.append(",To=").append(getC_Currency_ID_To())

org.adempiere.base/src/org/compiere/model/MCost.java

@@ -463,22 +463,22 @@ public class MCost extends X_M_Cost
 		int M_ASI_ID, int AD_Org_ID, int C_Currency_ID)
 	{
 		BigDecimal retValue = null;
-		String sql = "SELECT currencyConvert(il.PriceActual, i.C_Currency_ID, ?, i.DateAcct, i.C_ConversionType_ID, il.AD_Client_ID, il.AD_Org_ID) "
+		StringBuilder sql = new StringBuilder("SELECT currencyConvert(il.PriceActual, i.C_Currency_ID, ?, i.DateAcct, i.C_ConversionType_ID, il.AD_Client_ID, il.AD_Org_ID) ")
 			// ,il.PriceActual, il.QtyInvoiced, i.DateInvoiced, il.Line
-			+ "FROM C_InvoiceLine il "
-			+ " INNER JOIN C_Invoice i ON (il.C_Invoice_ID=i.C_Invoice_ID) "
-			+ "WHERE il.M_Product_ID=?"
-			+ " AND i.IsSOTrx='N'";
+			.append("FROM C_InvoiceLine il ")
+			.append(" INNER JOIN C_Invoice i ON (il.C_Invoice_ID=i.C_Invoice_ID) ")
+			.append("WHERE il.M_Product_ID=?")
+			.append(" AND i.IsSOTrx='N'");
 		if (AD_Org_ID != 0)
-			sql += " AND il.AD_Org_ID=?";
+			sql.append(" AND il.AD_Org_ID=?");
 		else if (M_ASI_ID != 0)
-			sql += " AND il.M_AttributeSetInstance_ID=?";
-		sql += " ORDER BY i.DateInvoiced DESC, il.Line DESC";
+			sql.append(" AND il.M_AttributeSetInstance_ID=?");
+		sql.append(" ORDER BY i.DateInvoiced DESC, il.Line DESC");
 		//
 		PreparedStatement pstmt = null;
 		try
 		{
-			pstmt = DB.prepareStatement (sql, product.get_TrxName());
+			pstmt = DB.prepareStatement (sql.toString(), product.get_TrxName());
 			pstmt.setInt (1, C_Currency_ID);
 			pstmt.setInt (2, product.getM_Product_ID());
 			if (AD_Org_ID != 0)
@@ -494,7 +494,7 @@ public class MCost extends X_M_Cost
 		}
 		catch (Exception e)
 		{
-			s_log.log (Level.SEVERE, sql, e);
+			s_log.log (Level.SEVERE, sql.toString(), e);
 		}
 		try
 		{
@@ -527,24 +527,24 @@ public class MCost extends X_M_Cost
 		int M_ASI_ID, int AD_Org_ID, int C_Currency_ID)
 	{
 		BigDecimal retValue = null;
-		String sql = "SELECT currencyConvert(ol.PriceCost, o.C_Currency_ID, ?, o.DateAcct, o.C_ConversionType_ID, ol.AD_Client_ID, ol.AD_Org_ID),"
-			+ " currencyConvert(ol.PriceActual, o.C_Currency_ID, ?, o.DateAcct, o.C_ConversionType_ID, ol.AD_Client_ID, ol.AD_Org_ID) "
+		StringBuilder sql = new StringBuilder("SELECT currencyConvert(ol.PriceCost, o.C_Currency_ID, ?, o.DateAcct, o.C_ConversionType_ID, ol.AD_Client_ID, ol.AD_Org_ID),")
+			.append(" currencyConvert(ol.PriceActual, o.C_Currency_ID, ?, o.DateAcct, o.C_ConversionType_ID, ol.AD_Client_ID, ol.AD_Org_ID) ")
 			//	,ol.PriceCost,ol.PriceActual, ol.QtyOrdered, o.DateOrdered, ol.Line
-			+ "FROM C_OrderLine ol"
-			+ " INNER JOIN C_Order o ON (ol.C_Order_ID=o.C_Order_ID) "
-			+ "WHERE ol.M_Product_ID=?"
-			+ " AND o.IsSOTrx='N'";
+			.append("FROM C_OrderLine ol")
+			.append(" INNER JOIN C_Order o ON (ol.C_Order_ID=o.C_Order_ID) ")
+			.append("WHERE ol.M_Product_ID=?")
+			.append(" AND o.IsSOTrx='N'");
 		if (AD_Org_ID != 0)
-			sql += " AND ol.AD_Org_ID=?";
+			sql.append(" AND ol.AD_Org_ID=?");
 		else if (M_ASI_ID != 0)
-			sql += " AND ol.M_AttributeSetInstance_ID=?";
-		sql += " ORDER BY o.DateOrdered DESC, ol.Line DESC";
+			sql.append(" AND ol.M_AttributeSetInstance_ID=?");
+		sql.append(" ORDER BY o.DateOrdered DESC, ol.Line DESC");
 		//
 		PreparedStatement pstmt = null;
 		ResultSet rs = null;
 		try
 		{
-			pstmt = DB.prepareStatement (sql, product.get_TrxName());
+			pstmt = DB.prepareStatement (sql.toString(), product.get_TrxName());
 			pstmt.setInt (1, C_Currency_ID);
 			pstmt.setInt (2, C_Currency_ID);
 			pstmt.setInt (3, product.getM_Product_ID());
@@ -562,7 +562,7 @@ public class MCost extends X_M_Cost
 		}
 		catch (SQLException e)
 		{
-			throw new DBException(e, sql);
+			throw new DBException(e, sql.toString());
 		}
 		finally
 		{
@@ -838,18 +838,18 @@ public class MCost extends X_M_Cost
 	public static BigDecimal calculateAverageInv (MProduct product, int M_AttributeSetInstance_ID,
 		MAcctSchema as, int AD_Org_ID)
 	{
-		String sql = "SELECT t.MovementQty, mi.Qty, il.QtyInvoiced, il.PriceActual,"
-			+ " i.C_Currency_ID, i.DateAcct, i.C_ConversionType_ID, i.AD_Client_ID, i.AD_Org_ID, t.M_Transaction_ID "
-			+ "FROM M_Transaction t"
-			+ " INNER JOIN M_MatchInv mi ON (t.M_InOutLine_ID=mi.M_InOutLine_ID)"
-			+ " INNER JOIN C_InvoiceLine il ON (mi.C_InvoiceLine_ID=il.C_InvoiceLine_ID)"
-			+ " INNER JOIN C_Invoice i ON (il.C_Invoice_ID=i.C_Invoice_ID) "
-			+ "WHERE t.M_Product_ID=?";
+		StringBuilder sql = new StringBuilder("SELECT t.MovementQty, mi.Qty, il.QtyInvoiced, il.PriceActual,")
+			.append(" i.C_Currency_ID, i.DateAcct, i.C_ConversionType_ID, i.AD_Client_ID, i.AD_Org_ID, t.M_Transaction_ID ")
+			.append("FROM M_Transaction t")
+			.append(" INNER JOIN M_MatchInv mi ON (t.M_InOutLine_ID=mi.M_InOutLine_ID)")
+			.append(" INNER JOIN C_InvoiceLine il ON (mi.C_InvoiceLine_ID=il.C_InvoiceLine_ID)")
+			.append(" INNER JOIN C_Invoice i ON (il.C_Invoice_ID=i.C_Invoice_ID) ")
+			.append("WHERE t.M_Product_ID=?");
 		if (AD_Org_ID != 0)
-			sql += " AND t.AD_Org_ID=?";
+			sql.append(" AND t.AD_Org_ID=?");
 		else if (M_AttributeSetInstance_ID != 0)
-			sql += " AND t.M_AttributeSetInstance_ID=?";
-		sql += " ORDER BY t.M_Transaction_ID";
+			sql.append(" AND t.M_AttributeSetInstance_ID=?");
+		sql.append(" ORDER BY t.M_Transaction_ID");
 
 		PreparedStatement pstmt = null;
 		ResultSet rs = null;
@@ -859,7 +859,7 @@ public class MCost extends X_M_Cost
 		int oldTransaction_ID = 0;
 		try
 		{
-			pstmt = DB.prepareStatement (sql, null);
+			pstmt = DB.prepareStatement (sql.toString(), null);
 			pstmt.setInt (1, product.getM_Product_ID());
 			if (AD_Org_ID != 0)
 				pstmt.setInt (2, AD_Org_ID);
@@ -904,7 +904,7 @@ public class MCost extends X_M_Cost
 		}
 		catch (SQLException e)
 		{
-			throw new DBException(e, sql);
+			throw new DBException(e, sql.toString());
 		}
 		finally
 		{
@@ -931,19 +931,19 @@ public class MCost extends X_M_Cost
 	public static BigDecimal calculateAveragePO (MProduct product, int M_AttributeSetInstance_ID,
 		MAcctSchema as, int AD_Org_ID)
 	{
-		String sql = "SELECT t.MovementQty, mp.Qty, ol.QtyOrdered, ol.PriceCost, ol.PriceActual,"	//	1..5
-			+ " o.C_Currency_ID, o.DateAcct, o.C_ConversionType_ID,"	//	6..8
-			+ " o.AD_Client_ID, o.AD_Org_ID, t.M_Transaction_ID "		//	9..11
-			+ "FROM M_Transaction t"
-			+ " INNER JOIN M_MatchPO mp ON (t.M_InOutLine_ID=mp.M_InOutLine_ID)"
-			+ " INNER JOIN C_OrderLine ol ON (mp.C_OrderLine_ID=ol.C_OrderLine_ID)"
-			+ " INNER JOIN C_Order o ON (ol.C_Order_ID=o.C_Order_ID) "
-			+ "WHERE t.M_Product_ID=?";
+		StringBuilder sql = new StringBuilder("SELECT t.MovementQty, mp.Qty, ol.QtyOrdered, ol.PriceCost, ol.PriceActual,")	//	1..5
+			.append(" o.C_Currency_ID, o.DateAcct, o.C_ConversionType_ID,")	//	6..8
+			.append(" o.AD_Client_ID, o.AD_Org_ID, t.M_Transaction_ID ")		//	9..11
+			.append("FROM M_Transaction t")
+			.append(" INNER JOIN M_MatchPO mp ON (t.M_InOutLine_ID=mp.M_InOutLine_ID)")
+			.append(" INNER JOIN C_OrderLine ol ON (mp.C_OrderLine_ID=ol.C_OrderLine_ID)")
+			.append(" INNER JOIN C_Order o ON (ol.C_Order_ID=o.C_Order_ID) ")
+			.append("WHERE t.M_Product_ID=?");
 		if (AD_Org_ID != 0)
-			sql += " AND t.AD_Org_ID=?";
+			sql.append(" AND t.AD_Org_ID=?");
 		else if (M_AttributeSetInstance_ID != 0)
-			sql += " AND t.M_AttributeSetInstance_ID=?";
-		sql += " ORDER BY t.M_Transaction_ID";
+			sql.append(" AND t.M_AttributeSetInstance_ID=?");
+		sql.append(" ORDER BY t.M_Transaction_ID");
 
 		PreparedStatement pstmt = null;
 		ResultSet rs = null;
@@ -953,7 +953,7 @@ public class MCost extends X_M_Cost
 		int oldTransaction_ID = 0;
 		try
 		{
-			pstmt = DB.prepareStatement (sql, null);
+			pstmt = DB.prepareStatement (sql.toString(), null);
 			pstmt.setInt (1, product.getM_Product_ID());
 			if (AD_Org_ID != 0)
 				pstmt.setInt (2, AD_Org_ID);
@@ -1000,7 +1000,7 @@ public class MCost extends X_M_Cost
 		}
 		catch (SQLException e)
 		{
-			throw new DBException(e, sql);
+			throw new DBException(e, sql.toString());
 		}
 		finally
 		{
@@ -1027,18 +1027,18 @@ public class MCost extends X_M_Cost
 	public static BigDecimal calculateFiFo (MProduct product, int M_AttributeSetInstance_ID,
 		MAcctSchema as, int AD_Org_ID)
 	{
-		String sql = "SELECT t.MovementQty, mi.Qty, il.QtyInvoiced, il.PriceActual,"
-			+ " i.C_Currency_ID, i.DateAcct, i.C_ConversionType_ID, i.AD_Client_ID, i.AD_Org_ID, t.M_Transaction_ID "
-			+ "FROM M_Transaction t"
-			+ " INNER JOIN M_MatchInv mi ON (t.M_InOutLine_ID=mi.M_InOutLine_ID)"
-			+ " INNER JOIN C_InvoiceLine il ON (mi.C_InvoiceLine_ID=il.C_InvoiceLine_ID)"
-			+ " INNER JOIN C_Invoice i ON (il.C_Invoice_ID=i.C_Invoice_ID) "
-			+ "WHERE t.M_Product_ID=?";
+		StringBuilder sql = new StringBuilder("SELECT t.MovementQty, mi.Qty, il.QtyInvoiced, il.PriceActual,")
+			.append(" i.C_Currency_ID, i.DateAcct, i.C_ConversionType_ID, i.AD_Client_ID, i.AD_Org_ID, t.M_Transaction_ID ")
+			.append("FROM M_Transaction t")
+			.append(" INNER JOIN M_MatchInv mi ON (t.M_InOutLine_ID=mi.M_InOutLine_ID)")
+			.append(" INNER JOIN C_InvoiceLine il ON (mi.C_InvoiceLine_ID=il.C_InvoiceLine_ID)")
+			.append(" INNER JOIN C_Invoice i ON (il.C_Invoice_ID=i.C_Invoice_ID) ")
+			.append("WHERE t.M_Product_ID=?");
 		if (AD_Org_ID != 0)
-			sql += " AND t.AD_Org_ID=?";
+			sql.append(" AND t.AD_Org_ID=?");
 		else if (M_AttributeSetInstance_ID != 0)
-			sql += " AND t.M_AttributeSetInstance_ID=?";
-		sql += " ORDER BY t.M_Transaction_ID";
+			sql.append(" AND t.M_AttributeSetInstance_ID=?");
+		sql.append(" ORDER BY t.M_Transaction_ID");
 
 		PreparedStatement pstmt = null;
 		ResultSet rs = null;
@@ -1047,7 +1047,7 @@ public class MCost extends X_M_Cost
 		ArrayList<QtyCost> fifo = new ArrayList<QtyCost>();
 		try
 		{
-			pstmt = DB.prepareStatement (sql, null);
+			pstmt = DB.prepareStatement (sql.toString(), null);
 			pstmt.setInt (1, product.getM_Product_ID());
 			if (AD_Org_ID != 0)
 				pstmt.setInt (2, AD_Org_ID);
@@ -1136,7 +1136,7 @@ public class MCost extends X_M_Cost
 		}
 		catch (SQLException e)
 		{
-			throw new DBException(e, sql);
+			throw new DBException(e, sql.toString());
 		}
 		finally
 		{
@@ -1164,19 +1164,19 @@ public class MCost extends X_M_Cost
 	public static BigDecimal calculateLiFo (MProduct product, int M_AttributeSetInstance_ID,
 		MAcctSchema as, int AD_Org_ID)
 	{
-		String sql = "SELECT t.MovementQty, mi.Qty, il.QtyInvoiced, il.PriceActual,"
-			+ " i.C_Currency_ID, i.DateAcct, i.C_ConversionType_ID, i.AD_Client_ID, i.AD_Org_ID, t.M_Transaction_ID "
-			+ "FROM M_Transaction t"
-			+ " INNER JOIN M_MatchInv mi ON (t.M_InOutLine_ID=mi.M_InOutLine_ID)"
-			+ " INNER JOIN C_InvoiceLine il ON (mi.C_InvoiceLine_ID=il.C_InvoiceLine_ID)"
-			+ " INNER JOIN C_Invoice i ON (il.C_Invoice_ID=i.C_Invoice_ID) "
-			+ "WHERE t.M_Product_ID=?";
+		StringBuilder sql = new StringBuilder("SELECT t.MovementQty, mi.Qty, il.QtyInvoiced, il.PriceActual,")
+			.append(" i.C_Currency_ID, i.DateAcct, i.C_ConversionType_ID, i.AD_Client_ID, i.AD_Org_ID, t.M_Transaction_ID ")
+			.append("FROM M_Transaction t")
+			.append(" INNER JOIN M_MatchInv mi ON (t.M_InOutLine_ID=mi.M_InOutLine_ID)")
+			.append(" INNER JOIN C_InvoiceLine il ON (mi.C_InvoiceLine_ID=il.C_InvoiceLine_ID)")
+			.append(" INNER JOIN C_Invoice i ON (il.C_Invoice_ID=i.C_Invoice_ID) ")
+			.append("WHERE t.M_Product_ID=?");
 		if (AD_Org_ID != 0)
-			sql += " AND t.AD_Org_ID=?";
+			sql.append(" AND t.AD_Org_ID=?");
 		else if (M_AttributeSetInstance_ID != 0)
-			sql += " AND t.M_AttributeSetInstance_ID=?";
+			sql.append(" AND t.M_AttributeSetInstance_ID=?");
 		//	Starting point?
-		sql += " ORDER BY t.M_Transaction_ID DESC";
+		sql.append(" ORDER BY t.M_Transaction_ID DESC");
 
 		PreparedStatement pstmt = null;
 		ResultSet rs = null;
@@ -1185,7 +1185,7 @@ public class MCost extends X_M_Cost
 		ArrayList<QtyCost> lifo = new ArrayList<QtyCost>();
 		try
 		{
-			pstmt = DB.prepareStatement (sql, null);
+			pstmt = DB.prepareStatement (sql.toString(), null);
 			pstmt.setInt (1, product.getM_Product_ID());
 			if (AD_Org_ID != 0)
 				pstmt.setInt (2, AD_Org_ID);
@@ -1255,7 +1255,7 @@ public class MCost extends X_M_Cost
 		}
 		catch (SQLException e)
 		{
-			throw new DBException(e, sql);
+			throw new DBException(e, sql.toString());
 		}
 		finally
 		{
@@ -1299,7 +1299,7 @@ public class MCost extends X_M_Cost
 		 */
 		public String toString ()
 		{
-			StringBuffer sb = new StringBuffer ("Qty=").append(Qty)
+			StringBuilder sb = new StringBuilder ("Qty=").append(Qty)
 				.append (",Cost=").append (Cost);
 			return sb.toString ();
 		}	//	toString
@@ -1562,7 +1562,7 @@ public class MCost extends X_M_Cost
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MCost[");
+		StringBuilder sb = new StringBuilder ("MCost[");
 		sb.append ("AD_Client_ID=").append (getAD_Client_ID());
 		if (getAD_Org_ID() != 0)
 			sb.append (",AD_Org_ID=").append (getAD_Org_ID());

org.adempiere.base/src/org/compiere/model/MCostDetail.java

@@ -73,12 +73,12 @@ public class MCostDetail extends X_M_CostDetail
 		String Description, String trxName)
 	{
 		//	Delete Unprocessed zero Differences
-		String sql = "DELETE M_CostDetail "
-			+ "WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0"
-			+ " AND C_OrderLine_ID=" + C_OrderLine_ID
-			+ " AND C_AcctSchema_ID =" + as.getC_AcctSchema_ID()
-			+ " AND M_AttributeSetInstance_ID=" + M_AttributeSetInstance_ID;
-		int no = DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE M_CostDetail ")
+			.append("WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0")
+			.append(" AND C_OrderLine_ID=").append(C_OrderLine_ID)
+			.append(" AND C_AcctSchema_ID =").append(as.getC_AcctSchema_ID())
+			.append(" AND M_AttributeSetInstance_ID=").append(M_AttributeSetInstance_ID);
+		int no = DB.executeUpdate(sql.toString(), trxName);
 		if (no != 0)
 			s_log.config("Deleted #" + no);
 		MCostDetail cd = get (as.getCtx(), "C_OrderLine_ID=?", 
@@ -140,12 +140,12 @@ public class MCostDetail extends X_M_CostDetail
 		String Description, String trxName)
 	{
 		//	Delete Unprocessed zero Differences
-		String sql = "DELETE M_CostDetail "
-			+ "WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0"
-			+ " AND C_InvoiceLine_ID=" + C_InvoiceLine_ID
-			+ " AND C_AcctSchema_ID =" + as.getC_AcctSchema_ID()			
-			+ " AND M_AttributeSetInstance_ID=" + M_AttributeSetInstance_ID;
-		int no = DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE M_CostDetail ")
+			.append("WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0")
+			.append(" AND C_InvoiceLine_ID=").append(C_InvoiceLine_ID)
+			.append(" AND C_AcctSchema_ID =").append(as.getC_AcctSchema_ID())			
+			.append(" AND M_AttributeSetInstance_ID=").append(M_AttributeSetInstance_ID);
+		int no = DB.executeUpdate(sql.toString(), trxName);
 		if (no != 0)
 			s_log.config("Deleted #" + no);
 		MCostDetail cd = get (as.getCtx(), "C_InvoiceLine_ID=?", 
@@ -207,12 +207,12 @@ public class MCostDetail extends X_M_CostDetail
 		String Description, boolean IsSOTrx, String trxName)
 	{
 		//	Delete Unprocessed zero Differences
-		String sql = "DELETE M_CostDetail "
-			+ "WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0"
-			+ " AND M_InOutLine_ID=" + M_InOutLine_ID
-			+ " AND C_AcctSchema_ID =" + as.getC_AcctSchema_ID()
-			+ " AND M_AttributeSetInstance_ID=" + M_AttributeSetInstance_ID;
-		int no = DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE M_CostDetail ")
+			.append("WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0")
+			.append(" AND M_InOutLine_ID=").append(M_InOutLine_ID)
+			.append(" AND C_AcctSchema_ID =").append(as.getC_AcctSchema_ID())
+			.append(" AND M_AttributeSetInstance_ID=").append(M_AttributeSetInstance_ID);
+		int no = DB.executeUpdate(sql.toString(), trxName);
 		if (no != 0)
 			s_log.config("Deleted #" + no);
 		MCostDetail cd = get (as.getCtx(), "M_InOutLine_ID=?", 
@@ -274,12 +274,12 @@ public class MCostDetail extends X_M_CostDetail
 		String Description, String trxName)
 	{
 		//	Delete Unprocessed zero Differences
-		String sql = "DELETE M_CostDetail "
-			+ "WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0"
-			+ " AND M_InventoryLine_ID=" + M_InventoryLine_ID
-			+ " AND C_AcctSchema_ID =" + as.getC_AcctSchema_ID()
-			+ " AND M_AttributeSetInstance_ID=" + M_AttributeSetInstance_ID;
-		int no = DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE M_CostDetail ")
+			.append("WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0")
+			.append(" AND M_InventoryLine_ID=").append(M_InventoryLine_ID)
+			.append(" AND C_AcctSchema_ID =").append(as.getC_AcctSchema_ID())
+			.append(" AND M_AttributeSetInstance_ID=").append(M_AttributeSetInstance_ID);
+		int no = DB.executeUpdate(sql.toString(), trxName);
 		if (no != 0)
 			s_log.config("Deleted #" + no);
 		MCostDetail cd = get (as.getCtx(), "M_InventoryLine_ID=?", 
@@ -341,17 +341,18 @@ public class MCostDetail extends X_M_CostDetail
 		String Description, String trxName)
 	{
 		//	Delete Unprocessed zero Differences
-		String sql = "DELETE M_CostDetail "
-			+ "WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0"
-			+ " AND M_MovementLine_ID=" + M_MovementLine_ID 
-			+ " AND IsSOTrx=" + (from ? "'Y'" : "'N'")
-			+ " AND C_AcctSchema_ID =" + as.getC_AcctSchema_ID()
-			+ " AND M_AttributeSetInstance_ID=" + M_AttributeSetInstance_ID;
-		int no = DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE M_CostDetail ")
+			.append("WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0")
+			.append(" AND M_MovementLine_ID=").append(M_MovementLine_ID) 
+			.append(" AND IsSOTrx=").append((from ? "'Y'" : "'N'"))
+			.append(" AND C_AcctSchema_ID =").append(as.getC_AcctSchema_ID())
+			.append(" AND M_AttributeSetInstance_ID=").append(M_AttributeSetInstance_ID);
+		int no = DB.executeUpdate(sql.toString(), trxName);
 		if (no != 0)
 			s_log.config("Deleted #" + no);
-		MCostDetail cd = get (as.getCtx(), "M_MovementLine_ID=? AND IsSOTrx=" 
-			+ (from ? "'Y'" : "'N'"), 
+		StringBuilder msget = new StringBuilder( "M_MovementLine_ID=? AND IsSOTrx=") 
+				.append((from ? "'Y'" : "'N'"));
+		MCostDetail cd = get (as.getCtx(),msget.toString(), 
 			M_MovementLine_ID, M_AttributeSetInstance_ID, as.getC_AcctSchema_ID(), trxName);
 		//
 		if (cd == null)		//	createNew
@@ -410,12 +411,12 @@ public class MCostDetail extends X_M_CostDetail
 		String Description, String trxName)
 	{
 		//	Delete Unprocessed zero Differences
-		String sql = "DELETE M_CostDetail "
-			+ "WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0"
-			+ " AND M_ProductionLine_ID=" + M_ProductionLine_ID
-			+ " AND C_AcctSchema_ID =" + as.getC_AcctSchema_ID()
-			+ " AND M_AttributeSetInstance_ID=" + M_AttributeSetInstance_ID;
-		int no = DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE M_CostDetail ")
+			.append("WHERE Processed='N' AND COALESCE(DeltaAmt,0)=0 AND COALESCE(DeltaQty,0)=0")
+			.append(" AND M_ProductionLine_ID=").append(M_ProductionLine_ID)
+			.append(" AND C_AcctSchema_ID =").append(as.getC_AcctSchema_ID())
+			.append(" AND M_AttributeSetInstance_ID=").append(M_AttributeSetInstance_ID);
+		int no = DB.executeUpdate(sql.toString(), trxName);
 		if (no != 0)
 			s_log.config("Deleted #" + no);
 		MCostDetail cd = get (as.getCtx(), "M_ProductionLine_ID=?", 
@@ -467,21 +468,21 @@ public class MCostDetail extends X_M_CostDetail
 	public static MCostDetail get (Properties ctx, String whereClause,
 		int ID, int M_AttributeSetInstance_ID, String trxName)
 	{
-		String sql = "SELECT * FROM M_CostDetail WHERE " + whereClause;
+		StringBuilder sql = new StringBuilder("SELECT * FROM M_CostDetail WHERE ").append(whereClause);
 
 		MClientInfo clientInfo = MClientInfo.get(ctx);
 		MAcctSchema primary = clientInfo.getMAcctSchema1();
 		int C_AcctSchema_ID = primary != null ? primary.getC_AcctSchema_ID() : 0;
 		if (C_AcctSchema_ID > 0)
 		{
-			sql = sql + " AND C_AcctSchema_ID=?";
+			sql.append(" AND C_AcctSchema_ID=?");
 		}
 		MCostDetail retValue = null;
 		PreparedStatement pstmt = null;
 		ResultSet rs = null;
 		try
 		{
-			pstmt = DB.prepareStatement (sql, null);
+			pstmt = DB.prepareStatement (sql.toString(), null);
 			pstmt.setInt (1, ID);
 			pstmt.setInt (2, M_AttributeSetInstance_ID);
 			if (C_AcctSchema_ID > 0)
@@ -515,10 +516,10 @@ public class MCostDetail extends X_M_CostDetail
 	public static MCostDetail get (Properties ctx, String whereClause, 
 		int ID, int M_AttributeSetInstance_ID, int C_AcctSchema_ID, String trxName)
 	{
-		final String localWhereClause = whereClause
-			+ " AND M_AttributeSetInstance_ID=?"
-			+ " AND C_AcctSchema_ID=?";
-		MCostDetail retValue = new Query(ctx,I_M_CostDetail.Table_Name,localWhereClause,trxName)
+		StringBuilder localWhereClause = new StringBuilder(whereClause)
+			.append(" AND M_AttributeSetInstance_ID=?")
+			.append(" AND C_AcctSchema_ID=?");
+		MCostDetail retValue = new Query(ctx,I_M_CostDetail.Table_Name,localWhereClause.toString(),trxName)
 		.setParameters(ID,M_AttributeSetInstance_ID,C_AcctSchema_ID)
 		.first();
 		return retValue;
@@ -714,7 +715,7 @@ public class MCostDetail extends X_M_CostDetail
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MCostDetail[");
+		StringBuilder sb = new StringBuilder ("MCostDetail[");
 		sb.append (get_ID());
 		if (getC_OrderLine_ID() != 0)
 			sb.append (",C_OrderLine_ID=").append (getC_OrderLine_ID());
@@ -1001,17 +1002,17 @@ public class MCostDetail extends X_M_CostDetail
 					 *  Solution:
 					 *  Make sure the current qty is reflecting the actual qty in storage
 					 */
-					String sql = "SELECT COALESCE(SUM(QtyOnHand),0) FROM M_Storage"					
-						+ " WHERE AD_Client_ID=" + cost.getAD_Client_ID()
-						+ " AND M_Product_ID=" + cost.getM_Product_ID();
+					StringBuilder sql = new StringBuilder("SELECT COALESCE(SUM(QtyOnHand),0) FROM M_Storage")					
+						.append(" WHERE AD_Client_ID=").append(cost.getAD_Client_ID())
+						.append(" AND M_Product_ID=").append(cost.getM_Product_ID());
 					//Costing Level
 					String CostingLevel = product.getCostingLevel(as);			
 					if (MAcctSchema.COSTINGLEVEL_Organization.equals(CostingLevel))
-						sql += " AND AD_Org_ID=" + cost.getAD_Org_ID();
+						sql.append(" AND AD_Org_ID=").append(cost.getAD_Org_ID());
 					else if (MAcctSchema.COSTINGLEVEL_BatchLot.equals(CostingLevel))
-						sql += " AND M_AttributeSetInstance_ID=" + M_ASI_ID;	
+						sql.append(" AND M_AttributeSetInstance_ID=").append(M_ASI_ID);	
 					//
-					BigDecimal qtyOnhand = DB.getSQLValueBD(get_TrxName(), sql);					
+					BigDecimal qtyOnhand = DB.getSQLValueBD(get_TrxName(), sql.toString());					
 					if (qtyOnhand.signum() != 0)
 					{
 						BigDecimal oldSum = cost.getCurrentCostPrice().multiply(cost.getCurrentQty());
@@ -1158,17 +1159,17 @@ public class MCostDetail extends X_M_CostDetail
 				MCostElement[] lce = MCostElement.getNonCostingMethods(this);
 				if (lce.length > 0)
 				{					
-					String sql = "SELECT COALESCE(SUM(QtyOnHand),0) FROM M_Storage"					
-						+ " WHERE AD_Client_ID=" + cost.getAD_Client_ID()
-						+ " AND M_Product_ID=" + cost.getM_Product_ID();
+					StringBuilder sql = new StringBuilder("SELECT COALESCE(SUM(QtyOnHand),0) FROM M_Storage")					
+						.append(" WHERE AD_Client_ID=").append(cost.getAD_Client_ID())
+						.append(" AND M_Product_ID=").append(cost.getM_Product_ID());
 					//Costing Level
 					String CostingLevel = product.getCostingLevel(as);
 					if (MAcctSchema.COSTINGLEVEL_Organization.equals(CostingLevel))
-						sql += " AND AD_Org_ID=" + cost.getAD_Org_ID();
+						sql.append(" AND AD_Org_ID=").append(cost.getAD_Org_ID());
 					else if (MAcctSchema.COSTINGLEVEL_BatchLot.equals(CostingLevel))
-						sql += " AND M_AttributeSetInstance_ID=" + M_ASI_ID;	
+						sql.append(" AND M_AttributeSetInstance_ID=").append(M_ASI_ID);	
 					//
-					BigDecimal qtyOnhand = DB.getSQLValueBD(get_TrxName(), sql);
+					BigDecimal qtyOnhand = DB.getSQLValueBD(get_TrxName(), sql.toString());
 					for (int i = 0 ; i < lce.length ; i++)
 					{
 						MCost lCost = MCost.get(getCtx(), cost.getAD_Client_ID(), cost.getAD_Org_ID(), 

org.adempiere.base/src/org/compiere/model/MCostElement.java

@@ -441,7 +441,7 @@ public class MCostElement extends X_M_CostElement
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MCostElement[");
+		StringBuilder sb = new StringBuilder ("MCostElement[");
 		sb.append (get_ID ())
 			.append ("-").append (getName())
 			.append(",Type=").append(getCostElementType())

org.adempiere.base/src/org/compiere/model/MCostQueue.java

@@ -115,21 +115,21 @@ public class MCostQueue extends X_M_CostQueue
 		MAcctSchema as, int Org_ID, MCostElement ce, String trxName)
 	{
 		ArrayList<MCostQueue> list = new ArrayList<MCostQueue>();
-		String sql = "SELECT * FROM M_CostQueue "
-			+ "WHERE AD_Client_ID=? AND AD_Org_ID=?"
-			+ " AND M_Product_ID=?"
-			+ " AND M_CostType_ID=? AND C_AcctSchema_ID=?"
-			+ " AND M_CostElement_ID=?";
+		StringBuilder sql = new StringBuilder("SELECT * FROM M_CostQueue ")
+			.append("WHERE AD_Client_ID=? AND AD_Org_ID=?")
+			.append(" AND M_Product_ID=?")
+			.append(" AND M_CostType_ID=? AND C_AcctSchema_ID=?")
+			.append(" AND M_CostElement_ID=?");
 		if (M_ASI_ID != 0)
-			sql += " AND M_AttributeSetInstance_ID=?";
-		sql += " AND CurrentQty<>0 "
-			+ "ORDER BY M_AttributeSetInstance_ID ";
+			sql.append(" AND M_AttributeSetInstance_ID=?");
+		sql.append(" AND CurrentQty<>0 ")
+			.append("ORDER BY M_AttributeSetInstance_ID ");
 		if (!ce.isFifo())
-			sql += "DESC";
+			sql.append("DESC");
 		PreparedStatement pstmt = null;
 		try
 		{
-			pstmt = DB.prepareStatement (sql, trxName);
+			pstmt = DB.prepareStatement (sql.toString(), trxName);
 			pstmt.setInt (1, product.getAD_Client_ID());
 			pstmt.setInt (2, Org_ID);
 			pstmt.setInt (3, product.getM_Product_ID());
@@ -147,7 +147,7 @@ public class MCostQueue extends X_M_CostQueue
 		}
 		catch (Exception e)
 		{
-			s_log.log (Level.SEVERE, sql, e);
+			s_log.log (Level.SEVERE, sql.toString(), e);
 		}
 		try
 		{

org.adempiere.base/src/org/compiere/model/MCostType.java

@@ -61,7 +61,7 @@ public class MCostType extends X_M_CostType
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MCostType[");
+		StringBuilder sb = new StringBuilder ("MCostType[");
 		sb.append (get_ID()).append ("-").append (getName ()).append ("]");
 		return sb.toString ();
 	}	//	toString

org.adempiere.base/src/org/compiere/model/MCurrency.java

@@ -146,15 +146,15 @@ public class MCurrency extends X_C_Currency
 	 */
 	public static String getISO_Code (Properties ctx, int C_Currency_ID)
 	{
-		String contextKey = "C_Currency_" + C_Currency_ID;
-		String retValue = ctx.getProperty(contextKey);
+		StringBuilder contextKey = new StringBuilder("C_Currency_").append(C_Currency_ID);
+		String retValue = ctx.getProperty(contextKey.toString());
 		if (retValue != null)
 			return retValue;
 
 		//	Create it
 		MCurrency c = get(ctx, C_Currency_ID);
 		retValue = c.getISO_Code();
-		ctx.setProperty(contextKey, retValue);
+		ctx.setProperty(contextKey.toString(), retValue);
 		return retValue;
 	}	//	getISO
 
@@ -176,10 +176,11 @@ public class MCurrency extends X_C_Currency
 	 */
 	public String toString()
 	{
-		return "MCurrency[" + getC_Currency_ID()
-			+ "-" + getISO_Code() + "-" + getCurSymbol()
-			+ "," + getDescription()
-			+ ",Precision=" + getStdPrecision() + "/" + getCostingPrecision();
+		StringBuilder msgreturn = new StringBuilder("MCurrency[").append(getC_Currency_ID())
+				.append("-").append(getISO_Code()).append("-").append(getCurSymbol())
+				.append(",").append(getDescription())
+				.append(",Precision=").append(getStdPrecision()).append("/").append(getCostingPrecision());
+		return msgreturn.toString();
 	}	//	toString
 
 

org.adempiere.base/src/org/compiere/model/MDashboardContent.java

@@ -37,24 +37,24 @@ public class MDashboardContent extends X_PA_DashboardContent
 	{
 		Properties ctx = Env.getCtx();
 		
-		String whereClause = COLUMNNAME_IsShowInDashboard+"=?";
+		StringBuilder whereClause = new StringBuilder(COLUMNNAME_IsShowInDashboard).append("=?");
 		
 		if (AD_Role_ID == 0)
-			whereClause += " AND ("+COLUMNNAME_AD_Role_ID+" IS NULL OR "+COLUMNNAME_AD_Role_ID+"=?)";
+			whereClause.append(" AND (").append(COLUMNNAME_AD_Role_ID).append(" IS NULL OR ").append(COLUMNNAME_AD_Role_ID).append("=?)");
 		else
-			whereClause += " AND "+COLUMNNAME_AD_Role_ID+"=?";
+			whereClause.append(" AND ").append(COLUMNNAME_AD_Role_ID).append("=?");
 
 		if (AD_User_ID == 0)
-			whereClause += " AND ("+COLUMNNAME_AD_User_ID+" IS NULL OR "+COLUMNNAME_AD_User_ID+"=?)";
+			whereClause.append(" AND (").append(COLUMNNAME_AD_User_ID).append(" IS NULL OR ").append(COLUMNNAME_AD_User_ID).append("=?)");
 		else
-			whereClause += " AND "+COLUMNNAME_AD_User_ID+"=?";
+			whereClause.append(" AND ").append(COLUMNNAME_AD_User_ID).append("=?");
 		
 		List<Object> parameters = new ArrayList<Object>();
 		parameters.add(isShowInDashboard);
 		parameters.add(AD_Role_ID);
 		parameters.add(AD_User_ID);
 		
-		return new Query(ctx, Table_Name, whereClause, null)
+		return new Query(ctx, Table_Name, whereClause.toString(), null)
 		.setParameters(parameters)
 		.setOnlyActiveRecords(true)
 		.setApplyAccessFilter(true, false)
@@ -71,23 +71,23 @@ public class MDashboardContent extends X_PA_DashboardContent
 	{
 		Properties ctx = Env.getCtx();
 		
-		String whereClause = "";
+		StringBuilder whereClause = new StringBuilder();
 		
 		if (AD_Role_ID == 0)
-			whereClause += "("+COLUMNNAME_AD_Role_ID+" IS NULL OR "+COLUMNNAME_AD_Role_ID+"=?)";
+			whereClause.append("(").append(COLUMNNAME_AD_Role_ID).append(" IS NULL OR ").append(COLUMNNAME_AD_Role_ID).append("=?)");
 		else
-			whereClause += COLUMNNAME_AD_Role_ID+"=?";
+			whereClause.append(COLUMNNAME_AD_Role_ID).append("=?");
 		
 		if (AD_User_ID == 0)
-			whereClause += " AND ("+COLUMNNAME_AD_User_ID+" IS NULL OR "+COLUMNNAME_AD_User_ID+"=?)";
+			whereClause.append(" AND (").append(COLUMNNAME_AD_User_ID).append(" IS NULL OR ").append(COLUMNNAME_AD_User_ID).append("=?)");
 		else
-			whereClause += " AND "+COLUMNNAME_AD_User_ID+"=?";
+			whereClause.append(" AND ").append(COLUMNNAME_AD_User_ID).append("=?");
 		
 		List<Object> parameters = new ArrayList<Object>();
 		parameters.add(AD_Role_ID);
 		parameters.add(AD_User_ID);
 		
-		return new Query(ctx, Table_Name, whereClause, null)
+		return new Query(ctx, Table_Name, whereClause.toString(), null)
 		.setParameters(parameters)
 		.setOnlyActiveRecords(true)
 		.setApplyAccessFilter(true, false)

org.adempiere.base/src/org/compiere/model/MDashboardPreference.java

@@ -49,24 +49,24 @@ public class MDashboardPreference extends X_PA_DashboardPreference
 	{
 		Properties ctx = Env.getCtx();
 		
-		String whereClause = COLUMNNAME_IsShowInDashboard+"=?";
+		StringBuilder whereClause = new StringBuilder(COLUMNNAME_IsShowInDashboard).append("=?");
 		
 		if (AD_Role_ID == 0)
-			whereClause += " AND ("+COLUMNNAME_AD_Role_ID+" IS NULL OR "+COLUMNNAME_AD_Role_ID+"=?)";
+			whereClause.append(" AND (").append(COLUMNNAME_AD_Role_ID).append(" IS NULL OR ").append(COLUMNNAME_AD_Role_ID).append("=?)");
 		else
-			whereClause += " AND "+COLUMNNAME_AD_Role_ID+"=?";
+			whereClause.append(" AND ").append(COLUMNNAME_AD_Role_ID).append("=?");
 
 		if (AD_User_ID == 0)
-			whereClause += " AND ("+COLUMNNAME_AD_User_ID+" IS NULL OR "+COLUMNNAME_AD_User_ID+"=?)";
+			whereClause.append(" AND (").append(COLUMNNAME_AD_User_ID).append(" IS NULL OR ").append(COLUMNNAME_AD_User_ID).append("=?)");
 		else
-			whereClause += " AND "+COLUMNNAME_AD_User_ID+"=?";
+			whereClause.append(" AND ").append(COLUMNNAME_AD_User_ID).append("=?");
 		
 		List<Object> parameters = new ArrayList<Object>();
 		parameters.add(isShowInDashboard);
 		parameters.add(AD_Role_ID);
 		parameters.add(AD_User_ID);
 		
-		return new Query(ctx, Table_Name, whereClause, null)
+		return new Query(ctx, Table_Name, whereClause.toString(), null)
 		.setParameters(parameters)
 		.setOnlyActiveRecords(true)
 		.setApplyAccessFilter(true, false)
@@ -83,23 +83,23 @@ public class MDashboardPreference extends X_PA_DashboardPreference
 	{
 		Properties ctx = Env.getCtx();
 		
-		String whereClause = "";
+		StringBuilder whereClause = new StringBuilder();
 		
 		if (AD_Role_ID == 0)
-			whereClause += "("+COLUMNNAME_AD_Role_ID+" IS NULL OR "+COLUMNNAME_AD_Role_ID+"=?)";
+			whereClause.append("(").append(COLUMNNAME_AD_Role_ID).append(" IS NULL OR ").append(COLUMNNAME_AD_Role_ID).append("=?)");
 		else
-			whereClause += COLUMNNAME_AD_Role_ID+"=?";
+			whereClause.append(COLUMNNAME_AD_Role_ID).append("=?");
 		
 		if (AD_User_ID == 0)
-			whereClause += " AND ("+COLUMNNAME_AD_User_ID+" IS NULL OR "+COLUMNNAME_AD_User_ID+"=?)";
+			whereClause.append(" AND (").append(COLUMNNAME_AD_User_ID).append(" IS NULL OR ").append(COLUMNNAME_AD_User_ID).append("=?)");
 		else
-			whereClause += " AND "+COLUMNNAME_AD_User_ID+"=?";
+			whereClause.append(" AND ").append(COLUMNNAME_AD_User_ID).append("=?");
 		
 		List<Object> parameters = new ArrayList<Object>();
 		parameters.add(AD_Role_ID);
 		parameters.add(AD_User_ID);
 		
-		return new Query(ctx, Table_Name, whereClause, null)
+		return new Query(ctx, Table_Name, whereClause.toString(), null)
 		.setParameters(parameters)
 		.setOnlyActiveRecords(true)
 		.setApplyAccessFilter(true, false)

org.adempiere.base/src/org/compiere/model/MDepreciationWorkfile.java

@@ -63,9 +63,9 @@ public class MDepreciationWorkfile extends X_A_Depreciation_Workfile
 		int		p_wkasset_ID = 0;
 		//p_A_Asset_ID = getA_Asset_ID();
 		p_wkasset_ID = getA_Depreciation_Workfile_ID();
-		StringBuffer sqlB = new StringBuffer ("UPDATE A_Depreciation_Workfile "
-				+ "SET Processing = 'Y'"
-				+ " WHERE A_Depreciation_Workfile_ID = " + p_wkasset_ID	);
+		StringBuilder sqlB = new StringBuilder ("UPDATE A_Depreciation_Workfile ")
+				.append("SET Processing = 'Y'")
+				.append(" WHERE A_Depreciation_Workfile_ID = " ).append(p_wkasset_ID	);
 		
 		int no = DB.executeUpdate (sqlB.toString(),null);
 		if (no == -1)

org.adempiere.base/src/org/compiere/model/MDesktop.java

@@ -72,22 +72,22 @@ public class MDesktop
 	{
 		AD_Desktop_ID = ad_Desktop_ID;
 		//  Get WB info
-		String sql = null;
+		StringBuilder sql = null;
 		if (Env.isBaseLanguage(m_ctx, "AD_Desktop"))
-			sql = "SELECT Name,Description,Help,"                       //  1..3
-				+ " AD_Column_ID,AD_Image_ID,AD_Color_ID,PA_Goal_ID "  //   4..7
-				+ "FROM AD_Desktop "
-				+ "WHERE AD_Desktop_ID=? AND IsActive='Y'";
+			sql = new StringBuilder("SELECT Name,Description,Help,")                       //  1..3
+				.append(" AD_Column_ID,AD_Image_ID,AD_Color_ID,PA_Goal_ID ")  //   4..7
+				.append("FROM AD_Desktop ")
+				.append("WHERE AD_Desktop_ID=? AND IsActive='Y'");
 		else
-			sql = "SELECT t.Name,t.Description,t.Help,"
-				+ " w.AD_Column_ID,w.AD_Image_ID,w.AD_Color_ID,w.PA_Goal_ID "
-				+ "FROM AD_Desktop w, AD_Desktop_Trl t "
-				+ "WHERE w.AD_Desktop_ID=? AND w.IsActive='Y'"
-				+ " AND w.AD_Desktop_ID=t.AD_Desktop_ID"
-				+ " AND t.AD_Language='" + Env.getAD_Language(m_ctx) + "'";
+			sql = new StringBuilder("SELECT t.Name,t.Description,t.Help,")
+				.append(" w.AD_Column_ID,w.AD_Image_ID,w.AD_Color_ID,w.PA_Goal_ID ")
+				.append("FROM AD_Desktop w, AD_Desktop_Trl t ")
+				.append("WHERE w.AD_Desktop_ID=? AND w.IsActive='Y'")
+				.append(" AND w.AD_Desktop_ID=t.AD_Desktop_ID")
+				.append(" AND t.AD_Language='").append(Env.getAD_Language(m_ctx)).append("'");
 		try
 		{
-			PreparedStatement pstmt = DB.prepareStatement(sql, null);
+			PreparedStatement pstmt = DB.prepareStatement(sql.toString(), null);
 			pstmt.setInt(1, AD_Desktop_ID);
 			ResultSet rs = pstmt.executeQuery();
 			if (rs.next())
@@ -112,7 +112,7 @@ public class MDesktop
 		}
 		catch (SQLException e)
 		{
-			log.log(Level.SEVERE, sql, e);
+			log.log(Level.SEVERE, sql.toString(), e);
 		}
 
 		if (AD_Desktop_ID == 0)
@@ -126,7 +126,8 @@ public class MDesktop
 	 */
 	public String toString()
 	{
-		return "MDesktop ID=" + AD_Desktop_ID + " " + Name;
+		StringBuilder msgreturn = new StringBuilder("MDesktop ID=").append(AD_Desktop_ID).append(" ").append(Name);
+		return msgreturn.toString();
 	}
 
 	/**************************************************************************

org.adempiere.base/src/org/compiere/model/MDiscountSchemaBreak.java

@@ -109,7 +109,7 @@ public class MDiscountSchemaBreak extends X_M_DiscountSchemaBreak
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MDiscountSchemaBreak[");
+		StringBuilder sb = new StringBuilder ("MDiscountSchemaBreak[");
 		sb.append(get_ID()).append("-Seq=").append(getSeqNo());
 		if (getM_Product_Category_ID() != 0)
 			sb.append(",M_Product_Category_ID=").append(getM_Product_Category_ID());

org.adempiere.base/src/org/compiere/model/MDistribution.java

@@ -270,12 +270,12 @@ public class MDistribution extends X_GL_Distribution
 	 */
 	public String validate()
 	{
-		String retValue = null;
+		StringBuilder retValue = null;
 		getLines(true);
 		if (m_lines.length == 0)
-			retValue = "@NoLines@";
+			retValue = new StringBuilder("@NoLines@");
 		else if (getPercentTotal().compareTo(Env.ONEHUNDRED) != 0)
-			retValue = "@PercentTotal@ <> 100";
+			retValue = new StringBuilder("@PercentTotal@ <> 100");
 		else
 		{
 			//	More then one line with 0
@@ -286,8 +286,8 @@ public class MDistribution extends X_GL_Distribution
 				{
 					if (lineFound >= 0 && m_lines[i].getPercent().compareTo(Env.ZERO) == 0)
 					{
-						retValue = "@Line@ " + lineFound 
-							+ " + " + m_lines[i].getLine() + ": == 0";
+						retValue = new StringBuilder("@Line@ ").append(lineFound) 
+							.append(" + ").append(m_lines[i].getLine()).append(": == 0");
 						break;
 					}
 					lineFound = m_lines[i].getLine();
@@ -296,7 +296,7 @@ public class MDistribution extends X_GL_Distribution
 		}
 		
 		setIsValid (retValue == null);
-		return retValue;
+		return retValue.toString();
 	}	//	validate
 	
 	

org.adempiere.base/src/org/compiere/model/MDistributionRunDetail.java

@@ -52,15 +52,15 @@ public class MDistributionRunDetail extends X_T_DistributionRunDetail
 		boolean orderBP, String trxName)
 	{
 		ArrayList<MDistributionRunDetail> list = new ArrayList<MDistributionRunDetail>();
-		String sql = "SELECT * FROM T_DistributionRunDetail WHERE M_DistributionRun_ID=? ";
+		StringBuilder sql = new StringBuilder("SELECT * FROM T_DistributionRunDetail WHERE M_DistributionRun_ID=? ");
 		if (orderBP)
-			sql += "ORDER BY C_BPartner_ID, C_BPartner_Location_ID";
+			sql.append("ORDER BY C_BPartner_ID, C_BPartner_Location_ID");
 		else
-			sql += "ORDER BY M_DistributionRunLine_ID";
+			sql.append("ORDER BY M_DistributionRunLine_ID");
 		PreparedStatement pstmt = null;
 		try
 		{
-			pstmt = DB.prepareStatement (sql, trxName);
+			pstmt = DB.prepareStatement (sql.toString(), trxName);
 			pstmt.setInt (1, M_DistributionRun_ID);
 			ResultSet rs = pstmt.executeQuery ();
 			while (rs.next ())
@@ -71,7 +71,7 @@ public class MDistributionRunDetail extends X_T_DistributionRunDetail
 		}
 		catch (Exception e)
 		{
-			s_log.log(Level.SEVERE, sql, e);
+			s_log.log(Level.SEVERE, sql.toString(), e);
 		}
 		try
 		{
@@ -191,7 +191,7 @@ public class MDistributionRunDetail extends X_T_DistributionRunDetail
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MDistributionRunDetail[")
+		StringBuilder sb = new StringBuilder ("MDistributionRunDetail[")
 			.append (get_ID ())
 			.append (";M_DistributionListLine_ID=").append (getM_DistributionListLine_ID())
 			.append(";Qty=").append(getQty())

org.adempiere.base/src/org/compiere/model/MDistributionRunLine.java

@@ -235,7 +235,7 @@ public class MDistributionRunLine extends X_M_DistributionRunLine
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MDistributionRunLine[")
+		StringBuilder sb = new StringBuilder ("MDistributionRunLine[")
 			.append(get_ID()).append("-")
 			.append(getInfo())
 			.append ("]");
@@ -248,7 +248,7 @@ public class MDistributionRunLine extends X_M_DistributionRunLine
 	 */
 	public String getInfo()
 	{
-		StringBuffer sb = new StringBuffer ();
+		StringBuilder sb = new StringBuilder ();
 		sb.append("Line=").append(getLine())
 			.append (",TotalQty=").append(getTotalQty())
 			.append(",SumMin=").append(getActualMin())

org.adempiere.base/src/org/compiere/model/MDocType.java

@@ -192,7 +192,7 @@ public class MDocType extends X_C_DocType
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer("MDocType[");
+		StringBuilder sb = new StringBuilder("MDocType[");
 		sb.append(get_ID()).append("-").append(getName())
 			.append(",DocNoSequence_ID=").append(getDocNoSequence_ID())
 			.append("]");
@@ -266,23 +266,23 @@ public class MDocType extends X_C_DocType
 		if (newRecord && success)
 		{
 			//	Add doctype/docaction access to all roles of client
-			String sqlDocAction = "INSERT INTO AD_Document_Action_Access "
-				+ "(AD_Client_ID,AD_Org_ID,IsActive,Created,CreatedBy,Updated,UpdatedBy,"
-				+ "C_DocType_ID , AD_Ref_List_ID, AD_Role_ID) " 
-				+ "(SELECT "
-				+ getAD_Client_ID() + ",0,'Y', SysDate," 
-				+ getUpdatedBy() + ", SysDate," + getUpdatedBy() 
-				+ ", doctype.C_DocType_ID, action.AD_Ref_List_ID, rol.AD_Role_ID " 
-				+ "FROM AD_Client client " 
-				+ "INNER JOIN C_DocType doctype ON (doctype.AD_Client_ID=client.AD_Client_ID) "
-				+ "INNER JOIN AD_Ref_List action ON (action.AD_Reference_ID=135) "
-				+ "INNER JOIN AD_Role rol ON (rol.AD_Client_ID=client.AD_Client_ID) "
-				+ "WHERE client.AD_Client_ID=" + getAD_Client_ID() 
-				+ " AND doctype.C_DocType_ID=" + get_ID()
-				+ " AND rol.IsManual='N'"
-				+ ")";
+			StringBuilder sqlDocAction = new StringBuilder("INSERT INTO AD_Document_Action_Access ")
+				.append("(AD_Client_ID,AD_Org_ID,IsActive,Created,CreatedBy,Updated,UpdatedBy,")
+				.append("C_DocType_ID , AD_Ref_List_ID, AD_Role_ID) ")
+				.append("(SELECT ")
+				.append(getAD_Client_ID()).append(",0,'Y', SysDate,") 
+				.append(getUpdatedBy()).append(", SysDate,").append(getUpdatedBy()) 
+				.append(", doctype.C_DocType_ID, action.AD_Ref_List_ID, rol.AD_Role_ID ")
+				.append("FROM AD_Client client ")
+				.append("INNER JOIN C_DocType doctype ON (doctype.AD_Client_ID=client.AD_Client_ID) ")
+				.append("INNER JOIN AD_Ref_List action ON (action.AD_Reference_ID=135) ")
+				.append("INNER JOIN AD_Role rol ON (rol.AD_Client_ID=client.AD_Client_ID) ")
+				.append("WHERE client.AD_Client_ID=").append(getAD_Client_ID()) 
+				.append(" AND doctype.C_DocType_ID=").append(get_ID())
+				.append(" AND rol.IsManual='N'")
+				.append(")");
 			
-			int docact = DB.executeUpdate(sqlDocAction, get_TrxName());
+			int docact = DB.executeUpdate(sqlDocAction.toString(), get_TrxName());
 			log.fine("AD_Document_Action_Access=" + docact);
 		}
 		return success;
@@ -296,7 +296,8 @@ public class MDocType extends X_C_DocType
 	protected boolean beforeDelete ()
 	{
 		// delete access records
-		int docactDel = DB.executeUpdate("DELETE FROM AD_Document_Action_Access WHERE C_DocType_ID=" + get_ID(), get_TrxName());
+		StringBuilder msgdb = new StringBuilder("DELETE FROM AD_Document_Action_Access WHERE C_DocType_ID=").append(get_ID());
+		int docactDel = DB.executeUpdate(msgdb.toString(), get_TrxName());
 		log.fine("Delete AD_Document_Action_Access=" + docactDel + " for C_DocType_ID: " + get_ID());
 		return docactDel >= 0;
 	}   //  beforeDelete
@@ -334,7 +335,7 @@ public class MDocType extends X_C_DocType
 
                 if (relatedDocTypeName != null)
                 {
-                    StringBuffer whereClause = new StringBuffer(30);
+                    StringBuilder whereClause = new StringBuilder(30);
                     whereClause.append("Name='").append(relatedDocTypeName).append("' ");
                     whereClause.append("and AD_Client_ID=").append(Env.getAD_Client_ID(Env.getCtx()));
                     whereClause.append(" AND IsActive='Y'");

org.adempiere.base/src/org/compiere/model/MDocTypeCounter.java

@@ -354,7 +354,7 @@ public class MDocTypeCounter extends X_C_DocTypeCounter
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MDocTypeCounter[");
+		StringBuilder sb = new StringBuilder ("MDocTypeCounter[");
 		sb.append(get_ID()).append(",").append(getName())
 			.append(",C_DocType_ID=").append(getC_DocType_ID())
 			.append(",Counter=").append(getCounter_C_DocType_ID())

org.adempiere.base/src/org/compiere/model/MDunning.java

@@ -63,7 +63,7 @@ public class MDunning extends X_C_Dunning
     @Override
 	public String toString()
     {
-	    StringBuffer sb = new StringBuffer("MDunning[").append(get_ID())
+	    StringBuilder sb = new StringBuilder("MDunning[").append(get_ID())
 	        .append("-").append(getName());
 	    sb.append("]");
 	    return sb.toString();

org.adempiere.base/src/org/compiere/model/MDunningRunEntry.java

@@ -145,13 +145,13 @@ public class MDunningRunEntry extends X_C_DunningRunEntry
 				}
 				else if (firstActive != null)
 				{
-					String msg = "@C_BPartner_ID@ " + bp.getName();
+					StringBuilder msg = new StringBuilder("@C_BPartner_ID@ ").append(bp.getName());
 					if (isSOTrx)
-						msg += " @No@ @IsPayFrom@";
+						msg.append(" @No@ @IsPayFrom@");
 					else
-						msg += " @No@ @IsRemitTo@";
-					msg += " & @IsBillTo@";
-					log.info(msg);
+						msg.append(" @No@ @IsRemitTo@");
+					msg.append(" & @IsBillTo@");
+					log.info(msg.toString());
 					setC_BPartner_Location_ID (firstActive.getC_BPartner_Location_ID());
 				}
 			}
@@ -199,13 +199,13 @@ public class MDunningRunEntry extends X_C_DunningRunEntry
 	public MDunningRunLine[] getLines (boolean onlyInvoices) 
 	{
 		ArrayList<MDunningRunLine> list = new ArrayList<MDunningRunLine>();
-		String sql = "SELECT * FROM C_DunningRunLine WHERE C_DunningRunEntry_ID=?";
+		StringBuilder sql = new StringBuilder("SELECT * FROM C_DunningRunLine WHERE C_DunningRunEntry_ID=?");
 		if (onlyInvoices)
-			sql += " AND C_Invoice_ID IS NOT NULL";
+			sql.append(" AND C_Invoice_ID IS NOT NULL");
 		PreparedStatement pstmt = null;
 		try
 		{
-			pstmt = DB.prepareStatement(sql, get_TrxName());
+			pstmt = DB.prepareStatement(sql.toString(), get_TrxName());
 			pstmt.setInt(1, get_ID ());
 			ResultSet rs = pstmt.executeQuery();
 			while (rs.next())
@@ -216,7 +216,7 @@ public class MDunningRunEntry extends X_C_DunningRunEntry
 		}
 		catch (Exception e)
 		{
-			s_log.log(Level.SEVERE, sql, e);
+			s_log.log(Level.SEVERE, sql.toString(), e);
 		}
 		try
 		{

org.adempiere.base/src/org/compiere/model/MDunningRunLine.java

@@ -340,17 +340,17 @@ public class MDunningRunLine extends X_C_DunningRunLine
 	private void updateEntry()
 	{
 		// we do not count the fee line as an item, but it sum it up.
-		String sql = "UPDATE C_DunningRunEntry e "
-			+ "SET Amt=NVL((SELECT SUM(ConvertedAmt)+SUM(FeeAmt)+SUM(InterestAmt)"
-			+ " FROM C_DunningRunLine l "
-				+ "WHERE e.C_DunningRunEntry_ID=l.C_DunningRunEntry_ID), 0), "
-			+ "QTY=(SELECT COUNT(*)"
-			+ " FROM C_DunningRunLine l "
-				+ "WHERE e.C_DunningRunEntry_ID=l.C_DunningRunEntry_ID "
-				+ " AND (NOT C_Invoice_ID IS NULL OR NOT C_Payment_ID IS NULL))"
-			+ " WHERE C_DunningRunEntry_ID=" + getC_DunningRunEntry_ID();
+		StringBuilder sql = new StringBuilder("UPDATE C_DunningRunEntry e ")
+			.append("SET Amt=NVL((SELECT SUM(ConvertedAmt)+SUM(FeeAmt)+SUM(InterestAmt)")
+			.append(" FROM C_DunningRunLine l ")
+				.append("WHERE e.C_DunningRunEntry_ID=l.C_DunningRunEntry_ID), 0), ")
+			.append("QTY=(SELECT COUNT(*)")
+			.append(" FROM C_DunningRunLine l ")
+				.append("WHERE e.C_DunningRunEntry_ID=l.C_DunningRunEntry_ID ")
+				.append(" AND (NOT C_Invoice_ID IS NULL OR NOT C_Payment_ID IS NULL))")
+			.append(" WHERE C_DunningRunEntry_ID=").append(getC_DunningRunEntry_ID());
 		
-		DB.executeUpdate(sql, get_TrxName());
+		DB.executeUpdate(sql.toString(), get_TrxName());
 	}	//	updateEntry
 	
 }	//	MDunningRunLine

org.adempiere.base/src/org/compiere/model/MEXPFormat.java

@@ -131,7 +131,7 @@ public class MEXPFormat extends X_EXP_Format {
 		if(retValue!=null)
 			return retValue;
 		
-		StringBuffer whereClause = new StringBuffer(X_EXP_Format.COLUMNNAME_Value).append("=?")
+		StringBuilder whereClause = new StringBuilder(X_EXP_Format.COLUMNNAME_Value).append("=?")
 		.append(" AND AD_Client_ID = ?")
 		.append(" AND ").append(X_EXP_Format.COLUMNNAME_Version).append(" = ?");
 
@@ -157,7 +157,7 @@ public class MEXPFormat extends X_EXP_Format {
 		if(retValue!=null)
 			return retValue;
 		
-		StringBuffer whereClause = new StringBuffer(" AD_Client_ID = ? ")
+		StringBuilder whereClause = new StringBuilder(" AD_Client_ID = ? ")
 			.append("  AND ").append(X_EXP_Format.COLUMNNAME_AD_Table_ID).append(" = ? ")
 			.append("  AND ").append(X_EXP_Format.COLUMNNAME_Version).append(" = ?");
 
@@ -176,7 +176,7 @@ public class MEXPFormat extends X_EXP_Format {
 
 	@Override
 	public String toString() {
-		StringBuffer sb = new StringBuffer ("X_EXP_Format[ID=").append(get_ID()).append("; Value = "+getValue()+"]");
+		StringBuilder sb = new StringBuilder ("X_EXP_Format[ID=").append(get_ID()).append("; Value = ").append(getValue()).append("]");
 		return sb.toString();
 
 	}

org.adempiere.base/src/org/compiere/model/MEXPFormatLine.java

@@ -61,7 +61,7 @@ public class MEXPFormatLine extends X_EXP_FormatLine {
 	
 	@Override
 	public String toString() {
-		StringBuffer sb = new StringBuffer ("X_EXP_FormatLine[ID=").append(get_ID()).append("; Value="+getValue()+"; Type="+getType()+"]");
+		StringBuilder sb = new StringBuilder ("X_EXP_FormatLine[ID=").append(get_ID()).append("; Value=").append(getValue()).append("; Type=").append(getType()).append("]");
 		return sb.toString();
 	}
 	
@@ -70,7 +70,7 @@ public class MEXPFormatLine extends X_EXP_FormatLine {
 	{
 	MEXPFormatLine result = null;
 	                   
-	StringBuffer sql = new StringBuffer("SELECT * ")
+	StringBuilder sql = new StringBuilder("SELECT * ")
 		.append(" FROM ").append(X_EXP_FormatLine.Table_Name)
 		.append(" WHERE ").append(X_EXP_Format.COLUMNNAME_Value).append("=?")
 		//.append(" AND IsActive = ?")

org.adempiere.base/src/org/compiere/model/MEXPProcessor.java

@@ -78,7 +78,7 @@ public class MEXPProcessor extends X_EXP_Processor {
 	    
 		List<X_EXP_ProcessorParameter> resultList = new ArrayList<X_EXP_ProcessorParameter>();
 		                   
-		StringBuffer sql = new StringBuffer("SELECT * ")
+		StringBuilder sql = new StringBuilder("SELECT * ")
 			.append(" FROM ").append(X_EXP_ProcessorParameter.Table_Name)
 			.append(" WHERE ").append(X_EXP_ProcessorParameter.COLUMNNAME_EXP_Processor_ID).append("=?") // # 1
 			.append(" AND IsActive = ?")  // # 2

org.adempiere.base/src/org/compiere/model/MElementValue.java

@@ -183,7 +183,7 @@ public class MElementValue extends X_C_ElementValue
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ();
+		StringBuilder sb = new StringBuilder();
 		sb.append(getValue()).append(" - ").append(getName());
 		return sb.toString ();
 	}	//	toString
@@ -194,7 +194,7 @@ public class MElementValue extends X_C_ElementValue
 	 */
 	public String toStringX ()
 	{
-		StringBuffer sb = new StringBuffer ("MElementValue[");
+		StringBuilder sb = new StringBuilder ("MElementValue[");
 		sb.append(get_ID()).append(",").append(getValue()).append(" - ").append(getName())
 			.append ("]");
 		return sb.toString ();

org.adempiere.base/src/org/compiere/model/MExpenseType.java

@@ -67,7 +67,8 @@ public class MExpenseType extends X_S_ExpenseType
 	{
 		if (m_product == null)
 		{
-			MProduct[] products = MProduct.get(getCtx(), "S_ExpenseType_ID=" + getS_ExpenseType_ID(), get_TrxName());
+			StringBuilder msgmp = new StringBuilder("S_ExpenseType_ID=").append(getS_ExpenseType_ID());
+			MProduct[] products = MProduct.get(getCtx(), msgmp.toString(), get_TrxName());
 			if (products.length > 0)
 				m_product = products[0];
 		}

org.adempiere.base/src/org/compiere/model/MFactAcct.java

@@ -110,7 +110,7 @@ public class MFactAcct extends X_Fact_Acct
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MFactAcct[");
+		StringBuilder sb = new StringBuilder ("MFactAcct[");
 		sb.append(get_ID()).append("-Acct=").append(getAccount_ID())
 			.append(",Dr=").append(getAmtSourceDr()).append("|").append(getAmtAcctDr())
 			.append(",Cr=").append(getAmtSourceCr()).append("|").append(getAmtAcctCr())

org.adempiere.base/src/org/compiere/model/MGLCategory.java

@@ -167,11 +167,12 @@ public class MGLCategory extends X_GL_Category
 	@Override
 	public String toString()
 	{
-		return getClass().getSimpleName()+"["+get_ID()
-		+", Name="+getName()
-		+", IsDefault="+isDefault()
-		+", IsActive="+isActive()
-		+", CategoryType="+getCategoryType()
-		+"]";
+		StringBuilder msgreturn = new StringBuilder(getClass().getSimpleName()).append("[").append(get_ID())
+				.append(", Name=").append(getName())
+				.append(", IsDefault=").append(isDefault())
+				.append(", IsActive=").append(isActive())
+				.append(", CategoryType=").append(getCategoryType())
+				.append("]");
+		return msgreturn.toString();
 	}
 }	//	MGLCategory

org.adempiere.base/src/org/compiere/model/MGoal.java

@@ -511,7 +511,7 @@ public class MGoal extends X_PA_Goal
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MGoal[");
+		StringBuilder sb = new StringBuilder ("MGoal[");
 		sb.append (get_ID ())
 			.append ("-").append (getName())
 			.append(",").append(getGoalPerformance())

org.adempiere.base/src/org/compiere/model/MGoalRestriction.java

@@ -63,7 +63,7 @@ public class MGoalRestriction extends X_PA_GoalRestriction
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MGoalRestriction[");
+		StringBuilder sb = new StringBuilder ("MGoalRestriction[");
 		sb.append (get_ID()).append ("-").append (getName()).append ("]");
 		return sb.toString ();
 	}	//	toString

org.adempiere.base/src/org/compiere/model/MIMPProcessor.java

@@ -134,21 +134,22 @@ public class MIMPProcessor
 	{
 		if (getKeepLogDays() < 1)
 			return 0;
-		String sql = "DELETE " + X_IMP_ProcessorLog.Table_Name + " "
-			+ "WHERE "+X_IMP_ProcessorLog.COLUMNNAME_IMP_Processor_ID+"=" + getIMP_Processor_ID() 
-			+ " AND (Created+" + getKeepLogDays() + ") < SysDate";
-		int no = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("DELETE ").append(X_IMP_ProcessorLog.Table_Name).append(" ")
+			.append("WHERE ").append(X_IMP_ProcessorLog.COLUMNNAME_IMP_Processor_ID).append("=").append(getIMP_Processor_ID()) 
+			.append(" AND (Created+").append(getKeepLogDays()).append(") < SysDate");
+		int no = DB.executeUpdate(sql.toString(), get_TrxName());
 		return no;
 	}
 
 	public String getServerID() {
-		return "ReplicationProcessor" + get_ID();
+		StringBuilder msgreturn = new StringBuilder("ReplicationProcessor").append(get_ID());
+		return msgreturn.toString();
 	}
 	
 	public X_IMP_ProcessorParameter[] getIMP_ProcessorParameters(String trxName) {
 		List<X_IMP_ProcessorParameter> resultList = new ArrayList<X_IMP_ProcessorParameter>();
 		                   
-		StringBuffer sql = new StringBuffer("SELECT * ")
+		StringBuilder sql = new StringBuilder("SELECT * ")
 			.append(" FROM ").append(X_IMP_ProcessorParameter.Table_Name)
 			.append(" WHERE ").append(X_IMP_ProcessorParameter.COLUMNNAME_IMP_Processor_ID).append("=?") // # 1
 			.append(" AND IsActive = ?")  // # 2

org.adempiere.base/src/org/compiere/model/MImage.java

@@ -290,7 +290,8 @@ public class MImage extends X_AD_Image
 	 */
 	public String toString()
 	{
-		return "MImage[ID=" + get_ID() + ",Name=" + getName() + "]";
+		StringBuilder msgreturn = new StringBuilder("MImage[ID=").append(get_ID()).append(",Name=").append(getName()).append("]");
+		return msgreturn.toString();
 	}   //  toString
 
 	

org.adempiere.base/src/org/compiere/model/MInOut.java

@@ -564,8 +564,10 @@ public class MInOut extends X_M_InOut implements DocAction
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgsd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgsd.toString());
+		}	
 	}	//	addDescription
 
 	/**
@@ -574,7 +576,7 @@ public class MInOut extends X_M_InOut implements DocAction
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInOut[")
+		StringBuilder sb = new StringBuilder ("MInOut[")
 			.append (get_ID()).append("-").append(getDocumentNo())
 			.append(",DocStatus=").append(getDocStatus())
 			.append ("]");
@@ -588,7 +590,8 @@ public class MInOut extends X_M_InOut implements DocAction
 	public String getDocumentInfo()
 	{
 		MDocType dt = MDocType.get(getCtx(), getC_DocType_ID());
-		return dt.getName() + " " + getDocumentNo();
+		StringBuilder msgreturn = new StringBuilder(dt.getName()).append(" ").append(getDocumentNo());
+		return msgreturn.toString();
 	}	//	getDocumentInfo
 
 	/**
@@ -599,7 +602,8 @@ public class MInOut extends X_M_InOut implements DocAction
 	{
 		try
 		{
-			File temp = File.createTempFile(get_TableName()+get_ID()+"_", ".pdf");
+			StringBuilder msgfile = new StringBuilder(get_TableName()).append(get_ID()).append("_");
+			File temp = File.createTempFile(msgfile.toString(), ".pdf");
 			return createPDF (temp);
 		}
 		catch (Exception e)
@@ -801,10 +805,10 @@ public class MInOut extends X_M_InOut implements DocAction
 		super.setProcessed (processed);
 		if (get_ID() == 0)
 			return;
-		String sql = "UPDATE M_InOutLine SET Processed='"
-			+ (processed ? "Y" : "N")
-			+ "' WHERE M_InOut_ID=" + getM_InOut_ID();
-		int noLine = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("UPDATE M_InOutLine SET Processed='")
+			.append((processed ? "Y" : "N"))
+			.append("' WHERE M_InOut_ID=").append(getM_InOut_ID());
+		int noLine = DB.executeUpdate(sql.toString(), get_TrxName());
 		m_lines = null;
 		log.fine(processed + " - Lines=" + noLine);
 	}	//	setProcessed
@@ -1045,12 +1049,12 @@ public class MInOut extends X_M_InOut implements DocAction
 
 		if (is_ValueChanged("AD_Org_ID"))
 		{
-			String sql = "UPDATE M_InOutLine ol"
-				+ " SET AD_Org_ID ="
-					+ "(SELECT AD_Org_ID"
-					+ " FROM M_InOut o WHERE ol.M_InOut_ID=o.M_InOut_ID) "
-				+ "WHERE M_InOut_ID=" + getC_Order_ID();
-			int no = DB.executeUpdate(sql, get_TrxName());
+			StringBuilder sql = new StringBuilder("UPDATE M_InOutLine ol")
+				.append(" SET AD_Org_ID =")
+					.append("(SELECT AD_Org_ID")
+					.append(" FROM M_InOut o WHERE ol.M_InOut_ID=o.M_InOut_ID) ")
+				.append("WHERE M_InOut_ID=").append(getC_Order_ID());
+			int no = DB.executeUpdate(sql.toString(), get_TrxName());
 			log.fine("Lines -> #" + no);
 		}
 		return true;
@@ -1070,7 +1074,7 @@ public class MInOut extends X_M_InOut implements DocAction
 	}	//	process
 
 	/**	Process Message 			*/
-	private String		m_processMsg = null;
+	private StringBuffer	m_processMsg = null;
 	/**	Just Prepared Flag			*/
 	private boolean		m_justPrepared = false;
 
@@ -1103,7 +1107,7 @@ public class MInOut extends X_M_InOut implements DocAction
 	public String prepareIt()
 	{
 		log.info(toString());
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -1112,13 +1116,13 @@ public class MInOut extends X_M_InOut implements DocAction
 		//  Order OR RMA can be processed on a shipment/receipt
 		if (getC_Order_ID() != 0 && getM_RMA_ID() != 0)
 		{
-		    m_processMsg = "@OrderOrRMA@";
+		    m_processMsg = new StringBuffer("@OrderOrRMA@");
 		    return DocAction.STATUS_Invalid;
 		}
 		//	Std Period open?
 		if (!MPeriod.isOpen(getCtx(), getDateAcct(), dt.getDocBaseType(), getAD_Org_ID()))
 		{
-			m_processMsg = "@PeriodClosed@";
+			m_processMsg = new StringBuffer("@PeriodClosed@");
 			return DocAction.STATUS_Invalid;
 		}
 
@@ -1133,24 +1137,24 @@ public class MInOut extends X_M_InOut implements DocAction
 				MBPartner bp = new MBPartner (getCtx(), getC_BPartner_ID(), get_TrxName());
 				if (MBPartner.SOCREDITSTATUS_CreditStop.equals(bp.getSOCreditStatus()))
 				{
-					m_processMsg = "@BPartnerCreditStop@ - @TotalOpenBalance@="
-						+ bp.getTotalOpenBalance()
-						+ ", @SO_CreditLimit@=" + bp.getSO_CreditLimit();
+					m_processMsg = new StringBuffer("@BPartnerCreditStop@ - @TotalOpenBalance@=")
+						.append(bp.getTotalOpenBalance())
+						.append(", @SO_CreditLimit@=").append(bp.getSO_CreditLimit());
 					return DocAction.STATUS_Invalid;
 				}
 				if (MBPartner.SOCREDITSTATUS_CreditHold.equals(bp.getSOCreditStatus()))
 				{
-					m_processMsg = "@BPartnerCreditHold@ - @TotalOpenBalance@="
-						+ bp.getTotalOpenBalance()
-						+ ", @SO_CreditLimit@=" + bp.getSO_CreditLimit();
+					m_processMsg = new StringBuffer("@BPartnerCreditHold@ - @TotalOpenBalance@=")
+						.append(bp.getTotalOpenBalance())
+						.append(", @SO_CreditLimit@=").append(bp.getSO_CreditLimit());
 					return DocAction.STATUS_Invalid;
 				}
 				BigDecimal notInvoicedAmt = MBPartner.getNotInvoicedAmt(getC_BPartner_ID());
 				if (MBPartner.SOCREDITSTATUS_CreditHold.equals(bp.getSOCreditStatus(notInvoicedAmt)))
 				{
-					m_processMsg = "@BPartnerOverSCreditHold@ - @TotalOpenBalance@="
-						+ bp.getTotalOpenBalance() + ", @NotInvoicedAmt@=" + notInvoicedAmt
-						+ ", @SO_CreditLimit@=" + bp.getSO_CreditLimit();
+					m_processMsg = new StringBuffer("@BPartnerOverSCreditHold@ - @TotalOpenBalance@=")
+						.append(bp.getTotalOpenBalance()).append(", @NotInvoicedAmt@=").append(notInvoicedAmt)
+						.append(", @SO_CreditLimit@=").append(bp.getSO_CreditLimit());
 					return DocAction.STATUS_Invalid;
 				}
 			}
@@ -1160,7 +1164,7 @@ public class MInOut extends X_M_InOut implements DocAction
 		MInOutLine[] lines = getLines(true);
 		if (lines == null || lines.length == 0)
 		{
-			m_processMsg = "@NoLines@";
+			m_processMsg = new StringBuffer("@NoLines@");
 			return DocAction.STATUS_Invalid;
 		}
 		BigDecimal Volume = Env.ZERO;
@@ -1181,8 +1185,8 @@ public class MInOut extends X_M_InOut implements DocAction
 				continue;
 			if (product != null && product.isASIMandatory(isSOTrx()))
 			{
-				m_processMsg = "@M_AttributeSet_ID@ @IsMandatory@ (@Line@ #" + lines[i].getLine() +
-								", @M_Product_ID@=" + product.getValue() + ")";
+				m_processMsg = new StringBuffer("@M_AttributeSet_ID@ @IsMandatory@ (@Line@ #").append(lines[i].getLine())
+						.append(", @M_Product_ID@=").append(product.getValue()).append(")");
 				return DocAction.STATUS_Invalid;
 			}
 		}
@@ -1194,7 +1198,7 @@ public class MInOut extends X_M_InOut implements DocAction
 			createConfirmation();
 		}
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -1240,7 +1244,7 @@ public class MInOut extends X_M_InOut implements DocAction
 				return status;
 		}
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -1254,8 +1258,8 @@ public class MInOut extends X_M_InOut implements DocAction
 				if (MInOutConfirm.CONFIRMTYPE_CustomerConfirmation.equals(confirm.getConfirmType()))
 					continue;
 				//
-				m_processMsg = "Open @M_InOutConfirm_ID@: " +
-					confirm.getConfirmTypeName() + " - " + confirm.getDocumentNo();
+				m_processMsg = new StringBuffer("Open @M_InOutConfirm_ID@: ")
+					.append(confirm.getConfirmTypeName()).append(" - ").append(confirm.getDocumentNo());
 				return DocAction.STATUS_InProgress;
 			}
 		}
@@ -1265,7 +1269,7 @@ public class MInOut extends X_M_InOut implements DocAction
 		if (!isApproved())
 			approveIt();
 		log.info(toString());
-		StringBuffer info = new StringBuffer();
+		StringBuilder info = new StringBuilder();
 
 		//	For all lines
 		MInOutLine[] lines = getLines(false);
@@ -1359,7 +1363,7 @@ public class MInOut extends X_M_InOut implements DocAction
 							get_TrxName()))
 						{
 							String lastError = CLogger.retrieveErrorString("");
-							m_processMsg = "Cannot correct Inventory (MA) - " + lastError;
+							m_processMsg = new StringBuffer("Cannot correct Inventory (MA) - ").append(lastError);
 							return DocAction.STATUS_Invalid;
 						}
 						if (!sameWarehouse) {
@@ -1371,7 +1375,7 @@ public class MInOut extends X_M_InOut implements DocAction
 									ma.getM_AttributeSetInstance_ID(), reservationAttributeSetInstance_ID,
 									Env.ZERO, reservedDiff, orderedDiff, get_TrxName()))
 								{
-									m_processMsg = "Cannot correct Inventory (MA) in order warehouse";
+									m_processMsg = new StringBuffer("Cannot correct Inventory (MA) in order warehouse");
 									return DocAction.STATUS_Invalid;
 								}
 						}
@@ -1383,7 +1387,7 @@ public class MInOut extends X_M_InOut implements DocAction
 						mtrx.setM_InOutLine_ID(sLine.getM_InOutLine_ID());
 						if (!mtrx.save())
 						{
-							m_processMsg = "Could not create Material Transaction (MA)";
+							m_processMsg = new StringBuffer("Could not create Material Transaction (MA)");
 							return DocAction.STATUS_Invalid;
 						}
 					}
@@ -1401,7 +1405,7 @@ public class MInOut extends X_M_InOut implements DocAction
 						sLine.getM_AttributeSetInstance_ID(), reservationAttributeSetInstance_ID,
 						Qty, reservedDiff, orderedDiff, get_TrxName()))
 					{
-						m_processMsg = "Cannot correct Inventory";
+						m_processMsg = new StringBuffer("Cannot correct Inventory");
 						return DocAction.STATUS_Invalid;
 					}
 					if (!sameWarehouse) {
@@ -1413,7 +1417,7 @@ public class MInOut extends X_M_InOut implements DocAction
 								sLine.getM_AttributeSetInstance_ID(), reservationAttributeSetInstance_ID,
 								Env.ZERO, QtySO.negate(), QtyPO.negate(), get_TrxName()))
 							{
-								m_processMsg = "Cannot correct Inventory";
+								m_processMsg = new StringBuffer("Cannot correct Inventory");
 								return DocAction.STATUS_Invalid;
 							}
 					}
@@ -1425,7 +1429,7 @@ public class MInOut extends X_M_InOut implements DocAction
 					mtrx.setM_InOutLine_ID(sLine.getM_InOutLine_ID());
 					if (!mtrx.save())
 					{
-						m_processMsg = CLogger.retrieveErrorString("Could not create Material Transaction");
+						m_processMsg = new StringBuffer(CLogger.retrieveErrorString("Could not create Material Transaction"));
 						return DocAction.STATUS_Invalid;
 					}
 				}
@@ -1449,7 +1453,7 @@ public class MInOut extends X_M_InOut implements DocAction
 				}
 				if (!oLine.save())
 				{
-					m_processMsg = "Could not update Order Line";
+					m_processMsg = new StringBuffer("Could not update Order Line");
 					return DocAction.STATUS_Invalid;
 				}
 				else
@@ -1469,7 +1473,7 @@ public class MInOut extends X_M_InOut implements DocAction
                 }
                 if (!rmaLine.save())
                 {
-                    m_processMsg = "Could not update RMA Line";
+                    m_processMsg = new StringBuffer("Could not update RMA Line");
                     return DocAction.STATUS_Invalid;
                 }
             }
@@ -1496,7 +1500,7 @@ public class MInOut extends X_M_InOut implements DocAction
 					MAsset asset = new MAsset (this, sLine, deliveryCount);
 					if (!asset.save(get_TrxName()))
 					{
-						m_processMsg = "Could not create Asset";
+						m_processMsg = new StringBuffer("Could not create Asset");
 						return DocAction.STATUS_Invalid;
 					}
 					info.append(asset.getValue());
@@ -1533,7 +1537,7 @@ public class MInOut extends X_M_InOut implements DocAction
 							isNewMatchInv = true;
 						if (!inv.save(get_TrxName()))
 						{
-							m_processMsg = CLogger.retrieveErrorString("Could not create Inv Matching");
+							m_processMsg = new StringBuffer(CLogger.retrieveErrorString("Could not create Inv Matching"));
 							return DocAction.STATUS_Invalid;
 						}
 						if (isNewMatchInv)
@@ -1552,7 +1556,7 @@ public class MInOut extends X_M_InOut implements DocAction
 						isNewMatchPO = true;
 					if (!po.save(get_TrxName()))
 					{
-						m_processMsg = "Could not create PO Matching";
+						m_processMsg = new StringBuffer("Could not create PO Matching");
 						return DocAction.STATUS_Invalid;
 					}
 					if (isNewMatchPO)
@@ -1580,7 +1584,7 @@ public class MInOut extends X_M_InOut implements DocAction
 							isNewMatchPO = true;
 						if (!po.save(get_TrxName()))
 						{
-							m_processMsg = "Could not create PO(Inv) Matching";
+							m_processMsg = new StringBuffer("Could not create PO(Inv) Matching");
 							return DocAction.STATUS_Invalid;
 						}
 						if (isNewMatchPO)
@@ -1612,14 +1616,14 @@ public class MInOut extends X_M_InOut implements DocAction
 		String valid = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_COMPLETE);
 		if (valid != null)
 		{
-			m_processMsg = valid;
+			m_processMsg = new StringBuffer(valid);
 			return DocAction.STATUS_Invalid;
 		}
 
 		// Set the definite document number after completed (if needed)
 		setDefiniteDocumentNo();
 
-		m_processMsg = info.toString();
+		m_processMsg = new StringBuffer(info.toString());
 		setProcessed(true);
 		setDocAction(DOCACTION_Close);
 		return DocAction.STATUS_Completed;
@@ -1942,7 +1946,7 @@ public class MInOut extends X_M_InOut implements DocAction
 	{
 		log.info(toString());
 		// Before Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID));
 		if (m_processMsg != null)
 			return false;
 
@@ -1950,7 +1954,7 @@ public class MInOut extends X_M_InOut implements DocAction
 			|| DOCSTATUS_Reversed.equals(getDocStatus())
 			|| DOCSTATUS_Voided.equals(getDocStatus()))
 		{
-			m_processMsg = "Document Closed: " + getDocStatus();
+			m_processMsg = new StringBuffer("Document Closed: ").append(getDocStatus());
 			return false;
 		}
 
@@ -1970,7 +1974,8 @@ public class MInOut extends X_M_InOut implements DocAction
 				if (old.signum() != 0)
 				{
 					line.setQty(Env.ZERO);
-					line.addDescription("Void (" + old + ")");
+					StringBuilder msgd = new StringBuilder("Void (").append(old).append(")");
+					line.addDescription(msgd.toString());
 					line.saveEx(get_TrxName());
 				}
 			}
@@ -1986,7 +1991,7 @@ public class MInOut extends X_M_InOut implements DocAction
 		}
 
 		// After Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID));
 		if (m_processMsg != null)
 			return false;
 
@@ -2003,7 +2008,7 @@ public class MInOut extends X_M_InOut implements DocAction
 	{
 		log.info(toString());
 		// Before Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE));
 		if (m_processMsg != null)
 			return false;
 
@@ -2011,7 +2016,7 @@ public class MInOut extends X_M_InOut implements DocAction
 		setDocAction(DOCACTION_None);
 
 		// After Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE));
 		if (m_processMsg != null)
 			return false;
 		return true;
@@ -2025,14 +2030,14 @@ public class MInOut extends X_M_InOut implements DocAction
 	{
 		log.info(toString());
 		// Before reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 
 		MDocType dt = MDocType.get(getCtx(), getC_DocType_ID());
 		if (!MPeriod.isOpen(getCtx(), getDateAcct(), dt.getDocBaseType(), getAD_Org_ID()))
 		{
-			m_processMsg = "@PeriodClosed@";
+			m_processMsg = new StringBuffer("@PeriodClosed@");
 			return false;
 		}
 
@@ -2061,7 +2066,7 @@ public class MInOut extends X_M_InOut implements DocAction
 			getC_DocType_ID(), isSOTrx(), false, get_TrxName(), true);
 		if (reversal == null)
 		{
-			m_processMsg = "Could not create Ship Reversal";
+			m_processMsg = new StringBuffer("Could not create Ship Reversal");
 			return false;
 		}
 		reversal.setReversal(true);
@@ -2079,7 +2084,7 @@ public class MInOut extends X_M_InOut implements DocAction
 			rLine.setReversalLine_ID(sLines[i].getM_InOutLine_ID());
 			if (!rLine.save(get_TrxName()))
 			{
-				m_processMsg = "Could not correct Ship Reversal Line";
+				m_processMsg = new StringBuffer("Could not correct Ship Reversal Line");
 				return false;
 			}
 			//	We need to copy MA
@@ -2100,14 +2105,17 @@ public class MInOut extends X_M_InOut implements DocAction
 			if (asset != null)
 			{
 				asset.setIsActive(false);
-				asset.addDescription("(" + reversal.getDocumentNo() + " #" + rLine.getLine() + "<-)");
+				StringBuilder msgd = new StringBuilder(
+						"(").append(reversal.getDocumentNo()).append(" #").append(rLine.getLine()).append("<-)");
+				asset.addDescription(msgd.toString());
 				asset.saveEx();
 			}
 		}
 		reversal.setC_Order_ID(getC_Order_ID());
 		// Set M_RMA_ID
 		reversal.setM_RMA_ID(getM_RMA_ID());
-		reversal.addDescription("{->" + getDocumentNo() + ")");
+		StringBuilder msgd = new StringBuilder("{->").append(getDocumentNo()).append(")");
+		reversal.addDescription(msgd.toString());
 		//FR1948157
 		reversal.setReversal_ID(getM_InOut_ID());
 		reversal.saveEx(get_TrxName());
@@ -2115,7 +2123,7 @@ public class MInOut extends X_M_InOut implements DocAction
 		if (!reversal.processIt(DocAction.ACTION_Complete)
 			|| !reversal.getDocStatus().equals(DocAction.STATUS_Completed))
 		{
-			m_processMsg = "Reversal ERROR: " + reversal.getProcessMsg();
+			m_processMsg = new StringBuffer("Reversal ERROR: ").append(reversal.getProcessMsg());
 			return false;
 		}
 		reversal.closeIt();
@@ -2124,7 +2132,8 @@ public class MInOut extends X_M_InOut implements DocAction
 		reversal.setDocAction(DOCACTION_None);
 		reversal.saveEx(get_TrxName());
 		//
-		addDescription("(" + reversal.getDocumentNo() + "<-)");
+		msgd = new StringBuilder("(").append(reversal.getDocumentNo()).append("<-)");
+		addDescription(msgd.toString());
 		
 		//
 		// Void Confirmations
@@ -2135,11 +2144,11 @@ public class MInOut extends X_M_InOut implements DocAction
 		voidConfirmations();
 
 		// After reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 
-		m_processMsg = reversal.getDocumentNo();
+		m_processMsg = new StringBuffer(reversal.getDocumentNo());
 		setProcessed(true);
 		setDocStatus(DOCSTATUS_Reversed);		//	 may come from void
 		setDocAction(DOCACTION_None);
@@ -2154,12 +2163,12 @@ public class MInOut extends X_M_InOut implements DocAction
 	{
 		log.info(toString());
 		// Before reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 
 		// After reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 
@@ -2174,12 +2183,12 @@ public class MInOut extends X_M_InOut implements DocAction
 	{
 		log.info(toString());
 		// Before reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE));
 		if (m_processMsg != null)
 			return false;
 
 		// After reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE));
 		if (m_processMsg != null)
 			return false;
 
@@ -2193,7 +2202,7 @@ public class MInOut extends X_M_InOut implements DocAction
 	 */
 	public String getSummary()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(getDocumentNo());
 		//	: Total Lines = 123.00 (#1)
 		sb.append(":")
@@ -2211,7 +2220,7 @@ public class MInOut extends X_M_InOut implements DocAction
 	 */
 	public String getProcessMsg()
 	{
-		return m_processMsg;
+		return m_processMsg.toString();
 	}	//	getProcessMsg
 
 	/**

org.adempiere.base/src/org/compiere/model/MInOutConfirm.java

@@ -174,8 +174,10 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgd.toString());
+		}	
 	}	//	addDescription
 	
 	/**
@@ -193,7 +195,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInOutConfirm[");
+		StringBuilder sb = new StringBuilder ("MInOutConfirm[");
 		sb.append(get_ID()).append("-").append(getSummary())
 			.append ("]");
 		return sb.toString ();
@@ -205,7 +207,8 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	 */
 	public String getDocumentInfo()
 	{
-		return Msg.getElement(getCtx(), "M_InOutConfirm_ID") + " " + getDocumentNo();
+		StringBuilder msgreturn = new StringBuilder(Msg.getElement(getCtx(), "M_InOutConfirm_ID")).append(" ").append(getDocumentNo());
+		return msgreturn.toString();
 	}	//	getDocumentInfo
 
 	/**
@@ -216,7 +219,8 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	{
 		try
 		{
-			File temp = File.createTempFile(get_TableName()+get_ID()+"_", ".pdf");
+			StringBuilder msgfile = new StringBuilder(get_TableName()).append(get_ID()).append("_");
+			File temp = File.createTempFile(msgfile.toString(), ".pdf");
 			return createPDF (temp);
 		}
 		catch (Exception e)
@@ -249,11 +253,11 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 		{
 			int AD_User_ID = Env.getAD_User_ID(getCtx());
 			MUser user = MUser.get(getCtx(), AD_User_ID);
-			String info = user.getName() 
-				+ ": "
-				+ Msg.translate(getCtx(), "IsApproved")
-				+ " - " + new Timestamp(System.currentTimeMillis());
-			addDescription(info);
+			StringBuilder info = new StringBuilder(user.getName()) 
+				.append(": ")
+				.append(Msg.translate(getCtx(), "IsApproved"))
+				.append(" - ").append(new Timestamp(System.currentTimeMillis()));
+			addDescription(info.toString());
 		}
 		super.setIsApproved (IsApproved);
 	}	//	setIsApproved
@@ -272,7 +276,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	}	//	processIt
 	
 	/**	Process Message 			*/
-	private String		m_processMsg = null;
+	private StringBuffer	m_processMsg = null;
 	/**	Just Prepared Flag			*/
 	private boolean		m_justPrepared = false;
 
@@ -305,7 +309,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	public String prepareIt()
 	{
 		log.info(toString());
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -323,7 +327,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 		MInOutLineConfirm[] lines = getLines(true);
 		if (lines.length == 0)
 		{
-			m_processMsg = "@NoLines@";
+			m_processMsg  = new StringBuffer("@NoLines@");
 			return DocAction.STATUS_Invalid;
 		}
 		//	Set dispute if not fully confirmed
@@ -338,7 +342,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 		}
 		setIsInDispute(difference);
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 		//
@@ -384,7 +388,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 				return status;
 		}
 		
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 		
@@ -404,7 +408,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 			{
 				if (dt.getC_DocTypeDifference_ID() == 0)
 				{
-					m_processMsg = "No Split Document Type defined for: " + dt.getName();
+					m_processMsg = new StringBuffer("No Split Document Type defined for: ").append(dt.getName());
 					return DocAction.STATUS_Invalid;
 				}
 				splitInOut (inout, dt.getC_DocTypeDifference_ID(), lines);
@@ -419,7 +423,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 			confirmLine.set_TrxName(get_TrxName());
 			if (!confirmLine.processLine (inout.isSOTrx(), getConfirmType()))
 			{
-				m_processMsg = "ShipLine not saved - " + confirmLine;
+				m_processMsg = new StringBuffer("ShipLine not saved - ").append(confirmLine);
 				return DocAction.STATUS_Invalid;
 			}
 			if (confirmLine.isFullyConfirmed())
@@ -444,9 +448,9 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 		}	//	for all lines
 
 		if (m_creditMemo != null)
-			m_processMsg += " @C_Invoice_ID@=" + m_creditMemo.getDocumentNo();
+			m_processMsg.append(" @C_Invoice_ID@=").append(m_creditMemo.getDocumentNo());
 		if (m_inventory != null)
-			m_processMsg += " @M_Inventory_ID@=" + m_inventory.getDocumentNo();
+			m_processMsg.append(" @M_Inventory_ID@=").append(m_inventory.getDocumentNo());
 
 		
 		//	Try to complete Shipment
@@ -457,7 +461,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 		String valid = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_COMPLETE);
 		if (valid != null)
 		{
-			m_processMsg = valid;
+			m_processMsg = new StringBuffer(valid);
 			return DocAction.STATUS_Invalid;
 		}
 
@@ -490,10 +494,12 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 			if (split == null)
 			{
 				split = new MInOut (original, C_DocType_ID, original.getMovementDate());
-				split.addDescription("Splitted from " + original.getDocumentNo());
+				StringBuilder msgd = new StringBuilder("Splitted from ").append(original.getDocumentNo());
+				split.addDescription(msgd.toString());
 				split.setIsInDispute(true);
 				split.saveEx();
-				original.addDescription("Split: " + split.getDocumentNo());
+				msgd = new StringBuilder("Split: ").append(split.getDocumentNo());
+				original.addDescription(msgd.toString());
 				original.saveEx();
 			}
 			//
@@ -508,12 +514,14 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 			splitLine.setM_Product_ID(oldLine.getM_Product_ID());
 			splitLine.setM_Warehouse_ID(oldLine.getM_Warehouse_ID());
 			splitLine.setRef_InOutLine_ID(oldLine.getRef_InOutLine_ID());
-			splitLine.addDescription("Split: from " + oldLine.getMovementQty());
+			StringBuilder msgd = new StringBuilder("Split: from ").append(oldLine.getMovementQty());
+			splitLine.addDescription(msgd.toString());
 			//	Qtys
 			splitLine.setQty(differenceQty);		//	Entered/Movement
 			splitLine.saveEx();
 			//	Old
-			oldLine.addDescription("Splitted: from " + oldLine.getMovementQty());
+			msgd = new StringBuilder("Splitted: from ").append(oldLine.getMovementQty());
+			oldLine.addDescription(msgd.toString());
 			oldLine.setQty(oldLine.getMovementQty().subtract(differenceQty));
 			oldLine.saveEx();
 			//	Update Confirmation Line
@@ -528,8 +536,8 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 			return ;
 		}
 
-		m_processMsg = "Split @M_InOut_ID@=" + split.getDocumentNo()
-			+ " - @M_InOutConfirm_ID@=";
+		m_processMsg = new StringBuffer("Split @M_InOut_ID@=").append(split.getDocumentNo())
+			.append(" - @M_InOutConfirm_ID@=");
 		
 		MDocType dt = MDocType.get(getCtx(), original.getC_DocType_ID());
 		if (!dt.isPrepareSplitDocument())
@@ -552,13 +560,13 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 					index++;	//	try just next
 				if (splitConfirms[index].isProcessed())
 				{
-					m_processMsg += splitConfirms[index].getDocumentNo() + " processed??";
+					m_processMsg.append(splitConfirms[index].getDocumentNo()).append(" processed??");
 					return;
 				}
 			}
 			splitConfirms[index].setIsInDispute(true);
 			splitConfirms[index].saveEx();
-			m_processMsg += splitConfirms[index].getDocumentNo();
+			m_processMsg.append(splitConfirms[index].getDocumentNo());
 			//	Set Lines to unconfirmed
 			MInOutLineConfirm[] splitConfirmLines = splitConfirms[index].getLines(false);
 			for (int i = 0; i < splitConfirmLines.length; i++)
@@ -570,7 +578,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 			}
 		}
 		else
-			m_processMsg += "??";
+			m_processMsg.append("??");
 		
 	}	//	splitInOut
 
@@ -584,9 +592,9 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	private boolean createDifferenceDoc (MInOut inout, MInOutLineConfirm confirm)
 	{
 		if (m_processMsg == null)
-			m_processMsg = "";
+			m_processMsg = new StringBuffer();
 		else if (m_processMsg.length() > 0)
-			m_processMsg += "; ";
+			m_processMsg.append("; ");
 		//	Credit Memo if linked Document
 		if (confirm.getDifferenceQty().signum() != 0
 			&& !inout.isSOTrx() && inout.getRef_InOut_ID() != 0)
@@ -595,7 +603,8 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 			if (m_creditMemo == null)
 			{
 				m_creditMemo = new MInvoice (inout, null);
-				m_creditMemo.setDescription(Msg.translate(getCtx(), "M_InOutConfirm_ID") + " " + getDocumentNo());
+				StringBuilder msgd = new StringBuilder(Msg.translate(getCtx(), "M_InOutConfirm_ID")).append(" ").append(getDocumentNo());
+				m_creditMemo.setDescription(msgd.toString());
 				m_creditMemo.setC_DocTypeTarget_ID(MDocType.DOCBASETYPE_APCreditMemo);
 				m_creditMemo.saveEx();
 				setC_Invoice_ID(m_creditMemo.getC_Invoice_ID());
@@ -620,7 +629,8 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 			{
 				MWarehouse wh = MWarehouse.get(getCtx(), inout.getM_Warehouse_ID());
 				m_inventory = new MInventory (wh, get_TrxName());
-				m_inventory.setDescription(Msg.translate(getCtx(), "M_InOutConfirm_ID") + " " + getDocumentNo());
+				StringBuilder msgd = new StringBuilder(Msg.translate(getCtx(), "M_InOutConfirm_ID")).append(" ").append(getDocumentNo());
+				m_inventory.setDescription(msgd.toString());
 				m_inventory.saveEx();
 				setM_Inventory_ID(m_inventory.getM_Inventory_ID());
 			}
@@ -630,7 +640,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 				confirm.getScrappedQty(), Env.ZERO);
 			if (!line.save(get_TrxName()))
 			{
-				m_processMsg += "Inventory Line not created";
+				m_processMsg.append("Inventory Line not created");
 				return false;
 			}
 			confirm.setM_InventoryLine_ID(line.getM_InventoryLine_ID());
@@ -639,7 +649,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 		//
 		if (!confirm.save(get_TrxName()))
 		{
-			m_processMsg += "Confirmation Line not saved";
+			m_processMsg.append("Confirmation Line not saved");
 			return false;
 		}
 		return true;
@@ -653,7 +663,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	{
 		log.info(toString());
 		// Before Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID));
 		if (m_processMsg != null)
 			return false;
 
@@ -661,7 +671,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 				|| DOCSTATUS_Reversed.equals(getDocStatus())
 				|| DOCSTATUS_Voided.equals(getDocStatus()))
 		{
-			m_processMsg = "Document Closed: " + getDocStatus();
+			m_processMsg = new StringBuffer("Document Closed: ").append(getDocStatus());
 			return false;
 		}
 
@@ -695,7 +705,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 		}
 
 		// After Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID));
 		if (m_processMsg != null)
 			return false;
 		
@@ -713,14 +723,14 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	{
 		log.info(toString());
 		// Before Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE));
 		if (m_processMsg != null)
 			return false;
 		
 		setDocAction(DOCACTION_None);
 
 		// After Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE));
 		if (m_processMsg != null)
 			return false;
 
@@ -735,12 +745,12 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	{
 		log.info(toString());
 		// Before reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 		
 		// After reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 		
@@ -755,12 +765,12 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	{
 		log.info(toString());
 		// Before reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 		
 		// After reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 		
@@ -775,12 +785,12 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	{
 		log.info(toString());
 		// Before reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE));
 		if (m_processMsg != null)
 			return false;	
 		
 		// After reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE));
 		if (m_processMsg != null)
 			return false;
 		
@@ -794,7 +804,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	 */
 	public String getSummary()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(getDocumentNo());
 		//	: Total Lines = 123.00 (#1)
 		sb.append(": ")
@@ -812,7 +822,7 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	 */
 	public String getProcessMsg()
 	{
-		return m_processMsg;
+		return m_processMsg.toString();
 	}	//	getProcessMsg
 	
 	/**

org.adempiere.base/src/org/compiere/model/MInOutLine.java

@@ -423,8 +423,10 @@ public class MInOutLine extends X_M_InOutLine
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgd.toString());
+		}	
 	}	//	addDescription
 
 	/**
@@ -628,7 +630,7 @@ public class MInOutLine extends X_M_InOutLine
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInOutLine[").append (get_ID())
+		StringBuilder sb = new StringBuilder ("MInOutLine[").append (get_ID())
 			.append(",M_Product_ID=").append(getM_Product_ID())
 			.append(",QtyEntered=").append(getQtyEntered())
 			.append(",MovementQty=").append(getMovementQty())

org.adempiere.base/src/org/compiere/model/MInOutLineMA.java

@@ -62,10 +62,10 @@ public class MInOutLineMA extends X_M_InOutLineMA
 	 */
 	public static int deleteInOutMA (int M_InOut_ID, String trxName)
 	{
-		String sql = "DELETE FROM M_InOutLineMA ma WHERE EXISTS "
-			+ "(SELECT * FROM M_InOutLine l WHERE l.M_InOutLine_ID=ma.M_InOutLine_ID"
-			+ " AND M_InOut_ID=" + M_InOut_ID + ")";
-		return DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE FROM M_InOutLineMA ma WHERE EXISTS ")
+			.append("(SELECT * FROM M_InOutLine l WHERE l.M_InOutLine_ID=ma.M_InOutLine_ID")
+			.append(" AND M_InOut_ID=").append(M_InOut_ID).append(")");
+		return DB.executeUpdate(sql.toString(), trxName);
 	}	//	deleteInOutMA
 	
 	/**
@@ -130,7 +130,7 @@ public class MInOutLineMA extends X_M_InOutLineMA
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInOutLineMA[");
+		StringBuilder sb = new StringBuilder ("MInOutLineMA[");
 		sb.append("M_InOutLine_ID=").append(getM_InOutLine_ID())
 			.append(",M_AttributeSetInstance_ID=").append(getM_AttributeSetInstance_ID())
 			.append(", Qty=").append(getMovementQty())

org.adempiere.base/src/org/compiere/model/MIndex.java

@@ -72,10 +72,10 @@ public class MIndex extends X_K_Index
 	 */
 	public static int cleanUp (String trxName, int AD_Client_ID, int AD_Table_ID, int Record_ID)
 	{
-		StringBuffer sb = new StringBuffer ("DELETE FROM K_Index "
-			+ "WHERE AD_Client_ID=" + AD_Client_ID + " AND "
-			+ "AD_Table_ID=" + AD_Table_ID + " AND "
-			+ "Record_ID=" + Record_ID);
+		StringBuilder sb = new StringBuilder ("DELETE FROM K_Index ")
+			.append("WHERE AD_Client_ID=").append(AD_Client_ID).append( " AND ")
+			.append("AD_Table_ID=").append(AD_Table_ID).append( " AND ")
+			.append("Record_ID=").append(Record_ID);
 		int no = DB.executeUpdate(sb.toString(), trxName);
 		return no;
 	}
@@ -214,20 +214,20 @@ public class MIndex extends X_K_Index
 	public static void reIndex(boolean runCleanUp, String[] toBeIndexed, Properties ctx, 
 		int AD_Client_ID, int AD_Table_ID, int Record_ID, int CM_WebProject_ID, Timestamp lastUpdated) 
 	{
-		String trxName = "ReIndex_" + AD_Table_ID + "_" + Record_ID;
+		StringBuilder trxName = new StringBuilder("ReIndex_").append(AD_Table_ID).append("_").append(Record_ID);
 		try {
 			if (!runCleanUp)
 			{
-				MIndex.cleanUp(trxName, AD_Client_ID, AD_Table_ID, Record_ID);
+				MIndex.cleanUp(trxName.toString(), AD_Client_ID, AD_Table_ID, Record_ID);
 			}
 			for (int i=0;i<toBeIndexed.length;i++) {
-				MIndex.runIndex(toBeIndexed[i], ctx, trxName, AD_Table_ID, Record_ID, 
+				MIndex.runIndex(toBeIndexed[i], ctx, trxName.toString(), AD_Table_ID, Record_ID, 
 					CM_WebProject_ID, lastUpdated);
 			}
-			DB.commit (true, trxName);
+			DB.commit (true, trxName.toString());
 		} catch (SQLException sqlE) {
 			try {
-				DB.rollback (true, trxName);
+				DB.rollback (true, trxName.toString());
 			} catch (SQLException sqlE2) {
 			}
 		}
@@ -260,7 +260,7 @@ public class MIndex extends X_K_Index
 			return null;
 		//
 		keyword = keyword.toUpperCase();	//	default locale
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		char[] chars = keyword.toCharArray();
 		for (int i = 0; i < chars.length; i++)
 		{

org.adempiere.base/src/org/compiere/model/MInterestArea.java

@@ -159,7 +159,7 @@ public class MInterestArea extends X_R_InterestArea
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInterestArea[")
+		StringBuilder sb = new StringBuilder ("MInterestArea[")
 			.append (get_ID()).append(" - ").append(getName())
 			.append ("]");
 		return sb.toString ();

org.adempiere.base/src/org/compiere/model/MInventory.java

@@ -162,8 +162,10 @@ public class MInventory extends X_M_Inventory implements DocAction
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgreturn = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgreturn.toString());
+		}	
 	}	//	addDescription
 	
 	/**
@@ -182,7 +184,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInventory[");
+		StringBuilder sb = new StringBuilder ("MInventory[");
 		sb.append (get_ID())
 			.append ("-").append (getDocumentNo())
 			.append (",M_Warehouse_ID=").append(getM_Warehouse_ID())
@@ -197,7 +199,8 @@ public class MInventory extends X_M_Inventory implements DocAction
 	public String getDocumentInfo()
 	{
 		MDocType dt = MDocType.get(getCtx(), getC_DocType_ID());
-		return dt.getName() + " " + getDocumentNo();
+		StringBuilder msgreturn = new StringBuilder(dt.getName()).append(" ").append(getDocumentNo());
+		return msgreturn.toString();
 	}	//	getDocumentInfo
 
 	/**
@@ -208,7 +211,8 @@ public class MInventory extends X_M_Inventory implements DocAction
 	{
 		try
 		{
-			File temp = File.createTempFile(get_TableName()+get_ID()+"_", ".pdf");
+			StringBuilder msgfile = new StringBuilder(get_TableName()).append(get_ID()).append("_");
+			File temp = File.createTempFile(msgfile.toString(), ".pdf");
 			return createPDF (temp);
 		}
 		catch (Exception e)
@@ -285,7 +289,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 	}	//	processIt
 	
 	/**	Process Message 			*/
-	private String		m_processMsg = null;
+	private StringBuffer	m_processMsg = null;
 	/**	Just Prepared Flag			*/
 	private boolean		m_justPrepared = false;
 
@@ -318,7 +322,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 	public String prepareIt()
 	{
 		log.info(toString());
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -327,14 +331,14 @@ public class MInventory extends X_M_Inventory implements DocAction
 		MInventoryLine[] lines = getLines(false);
 		if (lines.length == 0)
 		{
-			m_processMsg = "@NoLines@";
+			m_processMsg = new StringBuffer("@NoLines@");
 			return DocAction.STATUS_Invalid;
 		}
 
 		//	TODO: Add up Amounts
 	//	setApprovalAmt();
 		
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -380,7 +384,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 				return status;
 		}
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -440,7 +444,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 								QtyMA.negate(), Env.ZERO, Env.ZERO, get_TrxName()))
 						{
 							String lastError = CLogger.retrieveErrorString("");
-							m_processMsg = "Cannot correct Inventory (MA) - " + lastError;
+							m_processMsg = new StringBuffer("Cannot correct Inventory (MA) - ").append(lastError);
 							return DocAction.STATUS_Invalid;
 						}
 
@@ -452,7 +456,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 							storage.setDateLastInventory(getMovementDate());
 							if (!storage.save(get_TrxName()))
 							{
-								m_processMsg = "Storage not updated(2)";
+								m_processMsg = new StringBuffer("Storage not updated(2)");
 								return DocAction.STATUS_Invalid;
 							}
 						}
@@ -470,7 +474,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 							mtrx.setM_InventoryLine_ID(line.getM_InventoryLine_ID());
 							if (!mtrx.save())
 							{
-								m_processMsg = "Transaction not inserted(2)";
+								m_processMsg = new StringBuffer("Transaction not inserted(2)");
 								return DocAction.STATUS_Invalid;
 							}
 							
@@ -490,7 +494,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 							line.getM_AttributeSetInstance_ID(), 0, 
 							qtyDiff, Env.ZERO, Env.ZERO, get_TrxName()))
 					{
-						m_processMsg = "Cannot correct Inventory (MA)";
+						m_processMsg = new StringBuffer("Cannot correct Inventory (MA)");
 						return DocAction.STATUS_Invalid;
 					}
 
@@ -503,7 +507,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 						storage.setDateLastInventory(getMovementDate());
 						if (!storage.save(get_TrxName()))
 						{
-							m_processMsg = "Storage not updated(2)";
+							m_processMsg = new StringBuffer("Storage not updated(2)");
 							return DocAction.STATUS_Invalid;
 						}
 					}
@@ -520,7 +524,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 					mtrx.setM_InventoryLine_ID(line.getM_InventoryLine_ID());
 					if (!mtrx.save())
 					{
-						m_processMsg = "Transaction not inserted(2)";
+						m_processMsg = new StringBuffer("Transaction not inserted(2)");
 						return DocAction.STATUS_Invalid;
 					}					
 				}	//	Fallback
@@ -532,7 +536,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 		String valid = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_COMPLETE);
 		if (valid != null)
 		{
-			m_processMsg = valid;
+			m_processMsg = new StringBuffer(valid);
 			return DocAction.STATUS_Invalid;
 		}
 
@@ -657,7 +661,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 	{
 		log.info(toString());
 		// Before Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID));
 		if (m_processMsg != null)
 			return false;
 		
@@ -665,7 +669,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 			|| DOCSTATUS_Reversed.equals(getDocStatus())
 			|| DOCSTATUS_Voided.equals(getDocStatus()))
 		{
-			m_processMsg = "Document Closed: " + getDocStatus();
+			m_processMsg = new StringBuffer("Document Closed: ").append(getDocStatus());
 			return false;
 		}
 
@@ -688,7 +692,8 @@ public class MInventory extends X_M_Inventory implements DocAction
 				{
 					line.setQtyInternalUse(Env.ZERO);
 					line.setQtyCount(line.getQtyBook());
-					line.addDescription("Void (" + oldCount + "/" + oldInternal + ")");
+					StringBuilder msgd = new StringBuilder("Void (").append(oldCount).append("/").append(oldInternal).append(")");
+					line.addDescription(msgd.toString());
 					line.saveEx(get_TrxName());
 				}
 			}
@@ -699,7 +704,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 		}
 			
 		// After Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID));
 		if (m_processMsg != null)
 			return false;		
 		setProcessed(true);
@@ -715,13 +720,13 @@ public class MInventory extends X_M_Inventory implements DocAction
 	{
 		log.info(toString());
 		// Before Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE));
 		if (m_processMsg != null)
 			return false;
 
 		setDocAction(DOCACTION_None);
 		// After Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE));
 		if (m_processMsg != null)
 			return false;
 		return true;
@@ -735,7 +740,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 	{
 		log.info(toString());
 		// Before reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 
@@ -750,7 +755,8 @@ public class MInventory extends X_M_Inventory implements DocAction
 		reversal.setIsApproved (false);
 		reversal.setPosted(false);
 		reversal.setProcessed(false);
-		reversal.addDescription("{->" + getDocumentNo() + ")");
+		StringBuilder msgd = new StringBuilder("{->").append(getDocumentNo()).append(")");
+		reversal.addDescription(msgd.toString());
 		//FR1948157
 		reversal.setReversal_ID(getM_Inventory_ID());
 		reversal.saveEx();
@@ -792,19 +798,20 @@ public class MInventory extends X_M_Inventory implements DocAction
 		//
 		if (!reversal.processIt(DocAction.ACTION_Complete))
 		{
-			m_processMsg = "Reversal ERROR: " + reversal.getProcessMsg();
+			m_processMsg = new StringBuffer("Reversal ERROR: ").append(reversal.getProcessMsg());
 			return false;
 		}
 		reversal.closeIt();
 		reversal.setDocStatus(DOCSTATUS_Reversed);
 		reversal.setDocAction(DOCACTION_None);
 		reversal.saveEx();
-		m_processMsg = reversal.getDocumentNo();
+		m_processMsg = new StringBuffer(reversal.getDocumentNo());
 
 		//	Update Reversed (this)
-		addDescription("(" + reversal.getDocumentNo() + "<-)");
+		msgd = new StringBuilder("(").append(reversal.getDocumentNo()).append("<-)");
+		addDescription(msgd.toString());
 		// After reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 		setProcessed(true);
@@ -824,12 +831,12 @@ public class MInventory extends X_M_Inventory implements DocAction
 	{
 		log.info(toString());
 		// Before reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 		
 		// After reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 		
@@ -844,12 +851,12 @@ public class MInventory extends X_M_Inventory implements DocAction
 	{
 		log.info(toString());
 		// Before reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE));
 		if (m_processMsg != null)
 			return false;	
 		
 		// After reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE));
 		if (m_processMsg != null)
 			return false;
 		
@@ -863,7 +870,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 	 */
 	public String getSummary()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(getDocumentNo());
 		//	: Total Lines = 123.00 (#1)
 		sb.append(": ")
@@ -881,7 +888,7 @@ public class MInventory extends X_M_Inventory implements DocAction
 	 */
 	public String getProcessMsg()
 	{
-		return m_processMsg;
+		return m_processMsg.toString();
 	}	//	getProcessMsg
 	
 	/**

org.adempiere.base/src/org/compiere/model/MInventoryLine.java

@@ -206,8 +206,10 @@ public class MInventoryLine extends X_M_InventoryLine
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgd.toString());
+		}	
 	}	//	addDescription
 
 	/**
@@ -236,7 +238,7 @@ public class MInventoryLine extends X_M_InventoryLine
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInventoryLine[");
+		StringBuilder sb = new StringBuilder ("MInventoryLine[");
 		sb.append (get_ID())
 			.append("-M_Product_ID=").append (getM_Product_ID())
 			.append(",QtyCount=").append(getQtyCount())

org.adempiere.base/src/org/compiere/model/MInventoryLineMA.java

@@ -85,10 +85,10 @@ public class MInventoryLineMA extends X_M_InventoryLineMA
 	 */
 	public static int deleteInventoryMA (int M_Inventory_ID, String trxName)
 	{
-		String sql = "DELETE FROM M_InventoryLineMA ma WHERE EXISTS "
-			+ "(SELECT * FROM M_InventoryLine l WHERE l.M_InventoryLine_ID=ma.M_InventoryLine_ID"
-			+ " AND M_Inventory_ID=" + M_Inventory_ID + ")";
-		return DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE FROM M_InventoryLineMA ma WHERE EXISTS ")
+			.append("(SELECT * FROM M_InventoryLine l WHERE l.M_InventoryLine_ID=ma.M_InventoryLine_ID")
+			.append(" AND M_Inventory_ID=").append(M_Inventory_ID).append(")");
+		return DB.executeUpdate(sql.toString(), trxName);
 	}	//	deleteInventoryMA
 
 	/**
@@ -99,10 +99,10 @@ public class MInventoryLineMA extends X_M_InventoryLineMA
 	 */
 	public static int deleteInventoryLineMA (int M_InventoryLine_ID, String trxName)
 	{
-		String sql = "DELETE FROM M_InventoryLineMA ma WHERE EXISTS "
-			+ "(SELECT * FROM M_InventoryLine l WHERE l.M_InventoryLine_ID=ma.M_InventoryLine_ID"
-			+ " AND M_InventoryLine_ID=" + M_InventoryLine_ID + ")";
-		return DB.executeUpdate(sql, trxName);
+		StringBuilder sql = new StringBuilder("DELETE FROM M_InventoryLineMA ma WHERE EXISTS ")
+			.append("(SELECT * FROM M_InventoryLine l WHERE l.M_InventoryLine_ID=ma.M_InventoryLine_ID")
+			.append(" AND M_InventoryLine_ID=").append(M_InventoryLine_ID).append(")");
+		return DB.executeUpdate(sql.toString(), trxName);
 	}	//	deleteInventoryMA
 	
 	/**	Logger	*/
@@ -155,7 +155,7 @@ public class MInventoryLineMA extends X_M_InventoryLineMA
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInventoryLineMA[");
+		StringBuilder sb = new StringBuilder ("MInventoryLineMA[");
 		sb.append("M_InventoryLine_ID=").append(getM_InventoryLine_ID())
 			.append(",M_AttributeSetInstance_ID=").append(getM_AttributeSetInstance_ID())
 			.append(", Qty=").append(getMovementQty())

org.adempiere.base/src/org/compiere/model/MInvoice.java

@@ -219,7 +219,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	 */
 	public static String getPDFFileName (String documentDir, int C_Invoice_ID)
 	{
-		StringBuffer sb = new StringBuffer (documentDir);
+		StringBuilder sb = new StringBuilder (documentDir);
 		if (sb.length() == 0)
 			sb.append(".");
 		if (!sb.toString().endsWith(File.separator))
@@ -825,8 +825,10 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgd.toString());
+		}	
 	}	//	addDescription
 
 	/**
@@ -851,9 +853,9 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		super.setProcessed (processed);
 		if (get_ID() == 0)
 			return;
-		String set = "SET Processed='"
-			+ (processed ? "Y" : "N")
-			+ "' WHERE C_Invoice_ID=" + getC_Invoice_ID();
+		StringBuilder set = new StringBuilder("SET Processed='")
+			.append((processed ? "Y" : "N"))
+			.append("' WHERE C_Invoice_ID=").append(getC_Invoice_ID());
 		int noLine = DB.executeUpdate("UPDATE C_InvoiceLine " + set, get_TrxName());
 		int noTax = DB.executeUpdate("UPDATE C_InvoiceTax " + set, get_TrxName());
 		m_lines = null;
@@ -1021,7 +1023,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInvoice[")
+		StringBuilder sb = new StringBuilder ("MInvoice[")
 			.append(get_ID()).append("-").append(getDocumentNo())
 			.append(",GrandTotal=").append(getGrandTotal());
 		if (m_lines != null)
@@ -1037,7 +1039,8 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	public String getDocumentInfo()
 	{
 		MDocType dt = MDocType.get(getCtx(), getC_DocType_ID());
-		return dt.getName() + " " + getDocumentNo();
+		StringBuilder msgreturn = new StringBuilder(dt.getName()).append(" ").append(getDocumentNo());
+		return msgreturn.toString();
 	}	//	getDocumentInfo
 
 
@@ -1054,12 +1057,12 @@ public class MInvoice extends X_C_Invoice implements DocAction
 
 		if (is_ValueChanged("AD_Org_ID"))
 		{
-			String sql = "UPDATE C_InvoiceLine ol"
-				+ " SET AD_Org_ID ="
-					+ "(SELECT AD_Org_ID"
-					+ " FROM C_Invoice o WHERE ol.C_Invoice_ID=o.C_Invoice_ID) "
-				+ "WHERE C_Invoice_ID=" + getC_Invoice_ID();
-			int no = DB.executeUpdate(sql, get_TrxName());
+			StringBuilder sql = new StringBuilder("UPDATE C_InvoiceLine ol")
+				.append(" SET AD_Org_ID =")
+					.append("(SELECT AD_Org_ID")
+					.append(" FROM C_Invoice o WHERE ol.C_Invoice_ID=o.C_Invoice_ID) ")
+				.append("WHERE C_Invoice_ID=").append(getC_Invoice_ID());
+			int no = DB.executeUpdate(sql.toString(), get_TrxName());
 			log.fine("Lines -> #" + no);
 		}
 		return true;
@@ -1255,7 +1258,8 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	{
 		try
 		{
-			File temp = File.createTempFile(get_TableName()+get_ID()+"_", ".pdf");
+			StringBuilder msgfile = new StringBuilder(get_TableName()).append(get_ID()).append("_");
+			File temp = File.createTempFile(msgfile.toString(), ".pdf");
 			return createPDF (temp);
 		}
 		catch (Exception e)
@@ -1335,7 +1339,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	}	//	process
 
 	/**	Process Message 			*/
-	private String		m_processMsg = null;
+	private StringBuffer	m_processMsg = null;
 	/**	Just Prepared Flag			*/
 	private boolean		m_justPrepared = false;
 
@@ -1368,7 +1372,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	public String prepareIt()
 	{
 		log.info(toString());
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -1378,14 +1382,14 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		MInvoiceLine[] lines = getLines(true);
 		if (lines.length == 0)
 		{
-			m_processMsg = "@NoLines@";
+			m_processMsg = new StringBuffer("@NoLines@");
 			return DocAction.STATUS_Invalid;
 		}
 		//	No Cash Book
 		if (PAYMENTRULE_Cash.equals(getPaymentRule())
 			&& MCashBook.get(getCtx(), getAD_Org_ID(), getC_Currency_ID()) == null)
 		{
-			m_processMsg = "@NoCashBook@";
+			m_processMsg = new StringBuffer("@NoCashBook@");
 			return DocAction.STATUS_Invalid;
 		}
 
@@ -1394,14 +1398,14 @@ public class MInvoice extends X_C_Invoice implements DocAction
 			setC_DocType_ID(getC_DocTypeTarget_ID());
 		if (getC_DocType_ID() == 0)
 		{
-			m_processMsg = "No Document Type";
+			m_processMsg = new StringBuffer("No Document Type");
 			return DocAction.STATUS_Invalid;
 		}
 
 		explodeBOM();
 		if (!calculateTaxTotal())	//	setTotals
 		{
-			m_processMsg = "Error calculating Tax";
+			m_processMsg = new StringBuffer("Error calculating Tax");
 			return DocAction.STATUS_Invalid;
 		}
 
@@ -1410,13 +1414,13 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		{
 			if (!createPaySchedule())
 			{
-				m_processMsg = "@ErrorPaymentSchedule@";
+				m_processMsg = new StringBuffer("@ErrorPaymentSchedule@");
 				return DocAction.STATUS_Invalid;
 			}
 		} else {
 			if (MInvoicePaySchedule.getInvoicePaySchedule(getCtx(), getC_Invoice_ID(), 0, get_TrxName()).length > 0) 
 			{
-				m_processMsg = "@ErrorPaymentSchedule@";
+				m_processMsg = new StringBuffer("@ErrorPaymentSchedule@");
 				return DocAction.STATUS_Invalid;
 			}
 		}
@@ -1433,9 +1437,9 @@ public class MInvoice extends X_C_Invoice implements DocAction
 				MBPartner bp = new MBPartner (getCtx(), getC_BPartner_ID(), null);
 				if ( MBPartner.SOCREDITSTATUS_CreditStop.equals(bp.getSOCreditStatus()) )
 				{
-					m_processMsg = "@BPartnerCreditStop@ - @TotalOpenBalance@="
-							+ bp.getTotalOpenBalance()
-							+ ", @SO_CreditLimit@=" + bp.getSO_CreditLimit();
+					m_processMsg = new StringBuffer("@BPartnerCreditStop@ - @TotalOpenBalance@=")
+							.append(bp.getTotalOpenBalance())
+							.append(", @SO_CreditLimit@=").append(bp.getSO_CreditLimit());
 					return DocAction.STATUS_Invalid;
 				}
 			}  
@@ -1450,13 +1454,13 @@ public class MInvoice extends X_C_Invoice implements DocAction
 				String error = line.allocateLandedCosts();
 				if (error != null && error.length() > 0)
 				{
-					m_processMsg = error;
+					m_processMsg = new StringBuffer(error);
 					return DocAction.STATUS_Invalid;
 				}
 			}
 		}
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_PREPARE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -1541,12 +1545,12 @@ public class MInvoice extends X_C_Invoice implements DocAction
 				line.setPriceList (Env.ZERO);
 				line.setLineNetAmt (Env.ZERO);
 				//
-				String description = product.getName ();
+				StringBuilder description = new StringBuilder(product.getName ());
 				if (product.getDescription () != null)
-					description += " " + product.getDescription ();
+					description.append(" ").append(product.getDescription ());
 				if (line.getDescription () != null)
-					description += " " + line.getDescription ();
-				line.setDescription (description);
+					description.append(" ").append(line.getDescription ());
+				line.setDescription (description.toString());
 				line.saveEx (get_TrxName());
 			} //	for all lines with BOM
 
@@ -1564,7 +1568,8 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	{
 		log.fine("");
 		//	Delete Taxes
-		DB.executeUpdateEx("DELETE C_InvoiceTax WHERE C_Invoice_ID=" + getC_Invoice_ID(), get_TrxName());
+		StringBuilder msgdb = new StringBuilder("DELETE C_InvoiceTax WHERE C_Invoice_ID=").append(getC_Invoice_ID());
+		DB.executeUpdateEx(msgdb.toString(), get_TrxName());
 		m_taxes = null;
 
 		//	Lines
@@ -1698,7 +1703,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 				return status;
 		}
 
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_BEFORE_COMPLETE));
 		if (m_processMsg != null)
 			return DocAction.STATUS_Invalid;
 
@@ -1706,7 +1711,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		if (!isApproved())
 			approveIt();
 		log.info(toString());
-		StringBuffer info = new StringBuffer();
+		StringBuilder info = new StringBuilder();
 		
 		// POS supports multiple payments
 		boolean fromPOS = false;
@@ -1743,17 +1748,17 @@ public class MInvoice extends X_C_Invoice implements DocAction
 
 			if (cash == null || cash.get_ID() == 0)
 			{
-				m_processMsg = "@NoCashBook@";
+				m_processMsg = new StringBuffer("@NoCashBook@");
 				return DocAction.STATUS_Invalid;
 			}
 			MCashLine cl = new MCashLine (cash);
 			cl.setInvoice(this);
 			if (!cl.save(get_TrxName()))
 			{
-				m_processMsg = "Could not save Cash Journal Line";
+				m_processMsg = new StringBuffer("Could not save Cash Journal Line");
 				return DocAction.STATUS_Invalid;
 			}
-			info.append("@C_Cash_ID@: " + cash.getName() +  " #" + cl.getLine());
+			info.append("@C_Cash_ID@: ").append(cash.getName()).append(" #").append(cl.getLine());
 			setC_CashLine_ID(cl.getC_CashLine_ID());
 		}	//	CashBook
 
@@ -1777,7 +1782,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 						ol.setQtyInvoiced(ol.getQtyInvoiced().add(line.getQtyInvoiced()));
 					if (!ol.save(get_TrxName()))
 					{
-						m_processMsg = "Could not update Order Line";
+						m_processMsg = new StringBuffer("Could not update Order Line");
 						return DocAction.STATUS_Invalid;
 					}
 				}
@@ -1795,7 +1800,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 						isNewMatchPO = true;
 					if (!po.save(get_TrxName()))
 					{
-						m_processMsg = "Could not create PO Matching";
+						m_processMsg = new StringBuffer("Could not create PO Matching");
 						return DocAction.STATUS_Invalid;
 					}
 					matchPO++;
@@ -1814,7 +1819,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 					rmaLine.setQtyInvoiced(line.getQtyInvoiced());
 				if (!rmaLine.save(get_TrxName()))
 				{
-					m_processMsg = "Could not update RMA Line";
+					m_processMsg = new StringBuffer("Could not update RMA Line");
 					return DocAction.STATUS_Invalid;
 				}
 			}
@@ -1838,7 +1843,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 					isNewMatchInv = true;
 				if (!inv.save(get_TrxName()))
 				{
-					m_processMsg = CLogger.retrieveErrorString("Could not create Invoice Matching");
+					m_processMsg = new StringBuffer(CLogger.retrieveErrorString("Could not create Invoice Matching"));
 					return DocAction.STATUS_Invalid;
 				}
 				matchInv++;
@@ -1860,8 +1865,8 @@ public class MInvoice extends X_C_Invoice implements DocAction
 			getC_Currency_ID(), getDateAcct(), getC_ConversionType_ID(), getAD_Client_ID(), getAD_Org_ID());
 		if (invAmt == null)
 		{
-			m_processMsg = "Could not convert C_Currency_ID=" + getC_Currency_ID()
-				+ " to base C_Currency_ID=" + MClient.get(Env.getCtx()).getC_Currency_ID();
+			m_processMsg = new StringBuffer("Could not convert C_Currency_ID=").append(getC_Currency_ID())
+				.append(" to base C_Currency_ID=").append(MClient.get(Env.getCtx()).getC_Currency_ID());
 			return DocAction.STATUS_Invalid;
 		}
 		//	Total Balance
@@ -1902,7 +1907,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		bp.setSOCreditStatus();
 		if (!bp.save(get_TrxName()))
 		{
-			m_processMsg = "Could not update Business Partner";
+			m_processMsg = new StringBuffer("Could not update Business Partner");
 			return DocAction.STATUS_Invalid;
 		}
 
@@ -1911,10 +1916,11 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		{
 			MUser user = new MUser (getCtx(), getAD_User_ID(), get_TrxName());
 			user.setLastContact(new Timestamp(System.currentTimeMillis()));
-			user.setLastResult(Msg.translate(getCtx(), "C_Invoice_ID") + ": " + getDocumentNo());
+			StringBuilder msgr = new StringBuilder(Msg.translate(getCtx(), "C_Invoice_ID")).append(": ").append(getDocumentNo());
+			user.setLastResult(msgr.toString());
 			if (!user.save(get_TrxName()))
 			{
-				m_processMsg = "Could not update Business Partner User";
+				m_processMsg = new StringBuffer("Could not update Business Partner User");
 				return DocAction.STATUS_Invalid;
 			}
 		}	//	user
@@ -1930,8 +1936,8 @@ public class MInvoice extends X_C_Invoice implements DocAction
 					getDateAcct(), 0, getAD_Client_ID(), getAD_Org_ID());
 			if (amt == null)
 			{
-				m_processMsg = "Could not convert C_Currency_ID=" + getC_Currency_ID()
-					+ " to Project C_Currency_ID=" + C_CurrencyTo_ID;
+				m_processMsg = new StringBuffer("Could not convert C_Currency_ID=").append(getC_Currency_ID())
+					.append(" to Project C_Currency_ID=").append(C_CurrencyTo_ID);
 				return DocAction.STATUS_Invalid;
 			}
 			BigDecimal newAmt = project.getInvoicedAmt();
@@ -1945,7 +1951,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 			project.setInvoicedAmt(newAmt);
 			if (!project.save(get_TrxName()))
 			{
-				m_processMsg = "Could not update Project";
+				m_processMsg = new StringBuffer("Could not update Project");
 				return DocAction.STATUS_Invalid;
 			}
 		}	//	project
@@ -1954,7 +1960,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		String valid = ModelValidationEngine.get().fireDocValidate(this, ModelValidator.TIMING_AFTER_COMPLETE);
 		if (valid != null)
 		{
-			m_processMsg = valid;
+			m_processMsg = new StringBuffer(valid);
 			return DocAction.STATUS_Invalid;
 		}
 
@@ -1966,7 +1972,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		if (counter != null)
 			info.append(" - @CounterDoc@: @C_Invoice_ID@=").append(counter.getDocumentNo());
 
-		m_processMsg = info.toString().trim();
+		m_processMsg = new StringBuffer(info.toString().trim());
 		setProcessed(true);
 		setDocAction(DOCACTION_Close);
 		return DocAction.STATUS_Completed;
@@ -2092,7 +2098,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	{
 		log.info(toString());
 		// Before Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_VOID));
 		if (m_processMsg != null)
 			return false;
 
@@ -2100,7 +2106,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 			|| DOCSTATUS_Reversed.equals(getDocStatus())
 			|| DOCSTATUS_Voided.equals(getDocStatus()))
 		{
-			m_processMsg = "Document Closed: " + getDocStatus();
+			m_processMsg = new StringBuffer("Document Closed: ").append(getDocStatus());
 			setDocAction(DOCACTION_None);
 			return false;
 		}
@@ -2124,7 +2130,8 @@ public class MInvoice extends X_C_Invoice implements DocAction
 					line.setTaxAmt(Env.ZERO);
 					line.setLineNetAmt(Env.ZERO);
 					line.setLineTotalAmt(Env.ZERO);
-					line.addDescription(Msg.getMsg(getCtx(), "Voided") + " (" + old + ")");
+					StringBuilder msgd = new StringBuilder(Msg.getMsg(getCtx(), "Voided")).append(" (").append(old).append(")");
+					line.addDescription(msgd.toString());
 					//	Unlink Shipment
 					if (line.getM_InOutLine_ID() != 0)
 					{
@@ -2146,7 +2153,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		}
 
 		// After Void
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_VOID));
 		if (m_processMsg != null)
 			return false;
 
@@ -2163,7 +2170,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	{
 		log.info(toString());
 		// Before Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_CLOSE));
 		if (m_processMsg != null)
 			return false;
 
@@ -2171,7 +2178,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		setDocAction(DOCACTION_None);
 
 		// After Close
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_CLOSE));
 		if (m_processMsg != null)
 			return false;
 		return true;
@@ -2185,7 +2192,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	{
 		log.info(toString());
 		// Before reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 
@@ -2228,7 +2235,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 			reversal = copyFrom (this, getDateInvoiced(), getDateAcct(), getC_DocType_ID(), isSOTrx(), false, get_TrxName(), true, getDocumentNo()+"^");
 		if (reversal == null)
 		{
-			m_processMsg = "Could not create Invoice Reversal";
+			m_processMsg = new StringBuffer("Could not create Invoice Reversal");
 			return false;
 		}
 		reversal.setReversal(true);
@@ -2247,7 +2254,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 				rLine.setLineTotalAmt(rLine.getLineTotalAmt().negate());
 			if (!rLine.save(get_TrxName()))
 			{
-				m_processMsg = "Could not correct Invoice Reversal Line";
+				m_processMsg = new StringBuffer("Could not correct Invoice Reversal Line");
 				return false;
 			}
 		}
@@ -2259,7 +2266,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		//
 		if (!reversal.processIt(DocAction.ACTION_Complete))
 		{
-			m_processMsg = "Reversal ERROR: " + reversal.getProcessMsg();
+			m_processMsg = new StringBuffer("Reversal ERROR: ").append(reversal.getProcessMsg());
 			return false;
 		}
 		reversal.setC_Payment_ID(0);
@@ -2269,9 +2276,10 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		reversal.setDocStatus(DOCSTATUS_Reversed);
 		reversal.setDocAction(DOCACTION_None);
 		reversal.saveEx(get_TrxName());
-		m_processMsg = reversal.getDocumentNo();
+		m_processMsg = new StringBuffer(reversal.getDocumentNo());
 		//
-		addDescription("(" + reversal.getDocumentNo() + "<-)");
+		StringBuilder msgd = new StringBuilder("(").append(reversal.getDocumentNo()).append("<-)");
+		addDescription(msgd.toString());
 
 		//	Clean up Reversed (this)
 		MInvoiceLine[] iLines = getLines(false);
@@ -2297,10 +2305,10 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		setIsPaid(true);
 
 		//	Create Allocation
+		msgd = new StringBuilder(
+				Msg.translate(getCtx(), "C_Invoice_ID")).append(": ").append(getDocumentNo()).append("/").append(reversal.getDocumentNo());
 		MAllocationHdr alloc = new MAllocationHdr(getCtx(), false, getDateAcct(),
-			getC_Currency_ID(),
-			Msg.translate(getCtx(), "C_Invoice_ID")	+ ": " + getDocumentNo() + "/" + reversal.getDocumentNo(),
-			get_TrxName());
+			getC_Currency_ID(),msgd.toString(),get_TrxName());
 		alloc.setAD_Org_ID(getAD_Org_ID());
 		if (alloc.save())
 		{
@@ -2326,7 +2334,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 		}
 
 		// After reverseCorrect
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSECORRECT));
 		if (m_processMsg != null)
 			return false;
 
@@ -2341,12 +2349,12 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	{
 		log.info(toString());
 		// Before reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 
 		// After reverseAccrual
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REVERSEACCRUAL));
 		if (m_processMsg != null)
 			return false;
 
@@ -2361,12 +2369,12 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	{
 		log.info(toString());
 		// Before reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_BEFORE_REACTIVATE));
 		if (m_processMsg != null)
 			return false;
 
 		// After reActivate
-		m_processMsg = ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE);
+		m_processMsg = new StringBuffer(ModelValidationEngine.get().fireDocValidate(this,ModelValidator.TIMING_AFTER_REACTIVATE));
 		if (m_processMsg != null)
 			return false;
 
@@ -2381,7 +2389,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	 */
 	public String getSummary()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		sb.append(getDocumentNo());
 		//	: Grand Total = 123.00 (#1)
 		sb.append(": ").
@@ -2399,7 +2407,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	 */
 	public String getProcessMsg()
 	{
-		return m_processMsg;
+		return m_processMsg.toString();
 	}	//	getProcessMsg
 
 	/**

org.adempiere.base/src/org/compiere/model/MInvoiceBatch.java

@@ -136,9 +136,9 @@ public class MInvoiceBatch extends X_C_InvoiceBatch
 		super.setProcessed (processed);
 		if (get_ID() == 0)
 			return;
-		String set = "SET Processed='"
-			+ (processed ? "Y" : "N")
-			+ "' WHERE C_InvoiceBatch_ID=" + getC_InvoiceBatch_ID();
+		StringBuilder set = new StringBuilder("SET Processed='")
+			.append((processed ? "Y" : "N"))
+			.append("' WHERE C_InvoiceBatch_ID=").append(getC_InvoiceBatch_ID());
 		int noLine = DB.executeUpdate("UPDATE C_InvoiceBatchLine " + set, get_TrxName());
 		m_lines = null;
 		log.fine(processed + " - Lines=" + noLine);

org.adempiere.base/src/org/compiere/model/MInvoiceBatchLine.java

@@ -111,11 +111,11 @@ public class MInvoiceBatchLine extends X_C_InvoiceBatchLine
 	{
 		if (success)
 		{
-			String sql = "UPDATE C_InvoiceBatch h "
-				+ "SET DocumentAmt = NVL((SELECT SUM(LineTotalAmt) FROM C_InvoiceBatchLine l "
-					+ "WHERE h.C_InvoiceBatch_ID=l.C_InvoiceBatch_ID AND l.IsActive='Y'),0) "
-				+ "WHERE C_InvoiceBatch_ID=" + getC_InvoiceBatch_ID();
-			DB.executeUpdate(sql, get_TrxName());
+			StringBuilder sql = new StringBuilder("UPDATE C_InvoiceBatch h ")
+				.append("SET DocumentAmt = NVL((SELECT SUM(LineTotalAmt) FROM C_InvoiceBatchLine l ")
+					.append("WHERE h.C_InvoiceBatch_ID=l.C_InvoiceBatch_ID AND l.IsActive='Y'),0) ")
+				.append("WHERE C_InvoiceBatch_ID=").append(getC_InvoiceBatch_ID());
+			DB.executeUpdate(sql.toString(), get_TrxName());
 		}
 		return success;
 	}	//	afterSave

org.adempiere.base/src/org/compiere/model/MInvoiceLine.java

@@ -308,8 +308,10 @@ public class MInvoiceLine extends X_C_InvoiceLine
 		String desc = getDescription();
 		if (desc == null)
 			setDescription(description);
-		else
-			setDescription(desc + " | " + description);
+		else{
+			StringBuilder msgd = new StringBuilder(desc).append(" | ").append(description);
+			setDescription(msgd.toString());
+		}	
 	}	//	addDescription
 
 	/**
@@ -702,7 +704,7 @@ public class MInvoiceLine extends X_C_InvoiceLine
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInvoiceLine[")
+		StringBuilder sb = new StringBuilder ("MInvoiceLine[")
 			.append(get_ID()).append(",").append(getLine())
 			.append(",QtyInvoiced=").append(getQtyInvoiced())
 			.append(",LineNetAmt=").append(getLineNetAmt())
@@ -1005,13 +1007,14 @@ public class MInvoiceLine extends X_C_InvoiceLine
 		MLandedCost[] lcs = MLandedCost.getLandedCosts(this);
 		if (lcs.length == 0)
 			return "";
-		String sql = "DELETE C_LandedCostAllocation WHERE C_InvoiceLine_ID=" + getC_InvoiceLine_ID();
-		int no = DB.executeUpdate(sql, get_TrxName());
+		StringBuilder sql = new StringBuilder("DELETE C_LandedCostAllocation WHERE C_InvoiceLine_ID=").append(getC_InvoiceLine_ID());
+		int no = DB.executeUpdate(sql.toString(), get_TrxName());
 		if (no != 0)
 			log.info("Deleted #" + no);
 
 		int inserted = 0;
 		//	*** Single Criteria ***
+		StringBuilder msgreturn;
 		if (lcs.length == 1)
 		{
 			MLandedCost lc = lcs[0];
@@ -1038,8 +1041,10 @@ public class MInvoiceLine extends X_C_InvoiceLine
 					MInOutLine iol = (MInOutLine)list.get(i);
 					total = total.add(iol.getBase(lc.getLandedCostDistribution()));
 				}
-				if (total.signum() == 0)
-					return "Total of Base values is 0 - " + lc.getLandedCostDistribution();
+				if (total.signum() == 0){
+					msgreturn = new StringBuilder("Total of Base values is 0 - ").append(lc.getLandedCostDistribution());
+					return msgreturn.toString();
+				}	
 				//	Create Allocations
 				for (int i = 0; i < list.size(); i++)
 				{
@@ -1059,8 +1064,10 @@ public class MInvoiceLine extends X_C_InvoiceLine
 						result /= total.doubleValue();
 						lca.setAmt(result, getPrecision());
 					}
-					if (!lca.save())
-						return "Cannot save line Allocation = " + lca;
+					if (!lca.save()){
+						msgreturn = new StringBuilder("Cannot save line Allocation = ").append(lca);
+						return msgreturn.toString();
+					}	
 					inserted++;
 				}
 				log.info("Inserted " + inserted);
@@ -1071,8 +1078,10 @@ public class MInvoiceLine extends X_C_InvoiceLine
 			else if (lc.getM_InOutLine_ID() != 0)
 			{
 				MInOutLine iol = new MInOutLine (getCtx(), lc.getM_InOutLine_ID(), get_TrxName());
-				if (iol.isDescription() || iol.getM_Product_ID() == 0)
-					return "Invalid Receipt Line - " + iol;
+				if (iol.isDescription() || iol.getM_Product_ID() == 0){
+					msgreturn = new StringBuilder("Invalid Receipt Line - ").append(iol);
+					return msgreturn.toString();
+				}	
 				MLandedCostAllocation lca = new MLandedCostAllocation (this, lc.getM_CostElement_ID());
 				lca.setM_Product_ID(iol.getM_Product_ID());
 				lca.setM_AttributeSetInstance_ID(iol.getM_AttributeSetInstance_ID());
@@ -1085,7 +1094,8 @@ public class MInvoiceLine extends X_C_InvoiceLine
 				// end MZ
 				if (lca.save())
 					return "";
-				return "Cannot save single line Allocation = " + lc;
+				msgreturn = new StringBuilder("Cannot save single line Allocation = ").append(lc);
+				return msgreturn.toString();
 			}
 			//	Single Product
 			else if (lc.getM_Product_ID() != 0)
@@ -1095,10 +1105,13 @@ public class MInvoiceLine extends X_C_InvoiceLine
 				lca.setAmt(getLineNetAmt());
 				if (lca.save())
 					return "";
-				return "Cannot save Product Allocation = " + lc;
+				msgreturn = new StringBuilder("Cannot save Product Allocation = ").append(lc);
+				return msgreturn.toString();
+			}
+			else{
+				msgreturn = new StringBuilder("No Reference for ").append(lc);
+				return msgreturn.toString();
 			}	
-			else
-				return "No Reference for " + lc;
 		}
 
 		//	*** Multiple Criteria ***
@@ -1149,8 +1162,10 @@ public class MInvoiceLine extends X_C_InvoiceLine
 			MInOutLine iol = (MInOutLine)list.get(i);
 			total = total.add(iol.getBase(LandedCostDistribution));
 		}
-		if (total.signum() == 0)
-			return "Total of Base values is 0 - " + LandedCostDistribution;
+		if (total.signum() == 0){
+			msgreturn = new StringBuilder("Total of Base values is 0 - ").append(LandedCostDistribution);
+			return msgreturn.toString();
+		}	
 		//	Create Allocations
 		for (int i = 0; i < list.size(); i++)
 		{
@@ -1170,8 +1185,10 @@ public class MInvoiceLine extends X_C_InvoiceLine
 				result /= total.doubleValue();
 				lca.setAmt(result, getPrecision());
 			}
-			if (!lca.save())
-				return "Cannot save line Allocation = " + lca;
+			if (!lca.save()){
+				msgreturn = new StringBuilder("Cannot save line Allocation = ").append(lca);
+				return msgreturn.toString();
+			}	
 			inserted++;
 		}
 

org.adempiere.base/src/org/compiere/model/MInvoicePaySchedule.java

@@ -53,19 +53,19 @@ public class MInvoicePaySchedule extends X_C_InvoicePaySchedule
 	public static MInvoicePaySchedule[] getInvoicePaySchedule(Properties ctx, 
 		int C_Invoice_ID, int C_InvoicePaySchedule_ID, String trxName)
 	{
-		String sql = "SELECT * FROM C_InvoicePaySchedule ips WHERE IsActive='Y' ";
+		StringBuilder sql = new StringBuilder("SELECT * FROM C_InvoicePaySchedule ips WHERE IsActive='Y' ");
 		if (C_Invoice_ID != 0)
-			sql += "AND C_Invoice_ID=? ";
+			sql.append("AND C_Invoice_ID=? ");
 		else
-			sql += "AND EXISTS (SELECT * FROM C_InvoicePaySchedule x"
-			+ " WHERE x.C_InvoicePaySchedule_ID=? AND ips.C_Invoice_ID=x.C_Invoice_ID) ";
-		sql += "ORDER BY DueDate";
+			sql.append("AND EXISTS (SELECT * FROM C_InvoicePaySchedule x")
+			.append(" WHERE x.C_InvoicePaySchedule_ID=? AND ips.C_Invoice_ID=x.C_Invoice_ID) ");
+		sql.append("ORDER BY DueDate");
 		//
 		ArrayList<MInvoicePaySchedule> list = new ArrayList<MInvoicePaySchedule>();
 		PreparedStatement pstmt = null;
 		try
 		{
-			pstmt = DB.prepareStatement(sql, trxName);
+			pstmt = DB.prepareStatement(sql.toString(), trxName);
 			if (C_Invoice_ID != 0)
 				pstmt.setInt(1, C_Invoice_ID);
 			else
@@ -205,9 +205,9 @@ public class MInvoicePaySchedule extends X_C_InvoicePaySchedule
 	 */
 	public String toString()
 	{
-		StringBuffer sb = new StringBuffer("MInvoicePaySchedule[");
-		sb.append(get_ID()).append("-Due=" + getDueDate() + "/" + getDueAmt())
-			.append(";Discount=").append(getDiscountDate() + "/" + getDiscountAmt())
+		StringBuilder sb = new StringBuilder("MInvoicePaySchedule[");
+		sb.append(get_ID()).append("-Due=").append(getDueDate()).append("/").append(getDueAmt())
+			.append(";Discount=").append(getDiscountDate()).append("/").append(getDiscountAmt())
 			.append("]");
 		return sb.toString();
 	}	//	toString

org.adempiere.base/src/org/compiere/model/MInvoiceTax.java

@@ -248,7 +248,7 @@ public class MInvoiceTax extends X_C_InvoiceTax
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MInvoiceTax[");
+		StringBuilder sb = new StringBuilder ("MInvoiceTax[");
 		sb.append("C_Invoice_ID=").append(getC_Invoice_ID())
 			.append(",C_Tax_ID=").append(getC_Tax_ID())
 			.append(", Base=").append(getTaxBaseAmt()).append(",Tax=").append(getTaxAmt())

org.adempiere.base/src/org/compiere/model/MIssue.java

@@ -155,7 +155,7 @@ public class MIssue extends X_AD_Issue
 	public MIssue (LogRecord record)
 	{
 		this (Env.getCtx(), 0, null);
-		String summary = record.getMessage();
+		StringBuilder summary = new StringBuilder(record.getMessage());
 		setSourceClassName(record.getSourceClassName());
 		setSourceMethodName(record.getSourceMethodName());
 		setLoggerName(record.getLoggerName());
@@ -163,11 +163,11 @@ public class MIssue extends X_AD_Issue
 		if (t != null)
 		{
 			if (summary != null && summary.length() > 0)
-				summary = t.toString() + " " + summary;
+				summary = new StringBuilder(t.toString()).append(" ").append(summary);
 			if (summary == null || summary.length() == 0)
-				summary = t.toString();
+				summary = new StringBuilder(t.toString());
 			//
-			StringBuffer error = new StringBuffer();
+			StringBuilder error = new StringBuilder();
 			StackTraceElement[] tes = t.getStackTrace();
 			int count = 0;
 			for (int i = 0; i < tes.length; i++)
@@ -179,9 +179,9 @@ public class MIssue extends X_AD_Issue
 					error.append(s).append("\n");
 					if (count == 0)
 					{
-						String source = element.getClassName()
-							+ "." + element.getMethodName();
-						setSourceClassName(source);
+						StringBuilder source = new StringBuilder(element.getClassName())
+							.append(".").append(element.getMethodName());
+						setSourceClassName(source.toString());
 						setLineNo(element.getLineNumber());
 					}
 					count++;
@@ -197,8 +197,8 @@ public class MIssue extends X_AD_Issue
 			setStackTrace(cWriter.toString());
 		}
 		if (summary == null || summary.length() == 0)
-			summary = "??";
-		setIssueSummary(summary);
+			summary = new StringBuilder("??");
+		setIssueSummary(summary.toString());
 		setRecord_ID(1);
 	}	//	MIssue
 
@@ -304,8 +304,10 @@ public class MIssue extends X_AD_Issue
 		if (old == null || old.length() == 0)
 			setComments (Comments);
 		else if (!old.equals(Comments) 
-			&& old.indexOf(Comments) == -1)		//	 something new
-			setComments (Comments + " | " + old);
+			&& old.indexOf(Comments) == -1){	//	 something new
+			StringBuilder msgc = new StringBuilder(Comments).append(" | ").append(old);
+			setComments (msgc.toString());
+		}	
 	}	//	addComments
 	
 	/**
@@ -357,7 +359,7 @@ public class MIssue extends X_AD_Issue
 	 */
 	public String createAnswer()
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		if (getA_Asset_ID() != 0)
 			sb.append("Sign up for support at http://www.adempiere.org to receive answers.");
 		else
@@ -416,7 +418,7 @@ public class MIssue extends X_AD_Issue
 	{
 		if (true)
 			return "-";
-		StringBuffer parameter = new StringBuffer("?");
+		StringBuilder parameter = new StringBuilder("?");
 		if (getRecord_ID() == 0)	//	don't report
 			return "ID=0";
 		if (getRecord_ID() == 1)	//	new
@@ -435,7 +437,8 @@ public class MIssue extends X_AD_Issue
 			catch (Exception e) 
 			{
 				log.severe(e.getLocalizedMessage());
-				return "New-" + e.getLocalizedMessage();
+				StringBuilder msgreturn = new StringBuilder("New-").append(e.getLocalizedMessage());
+				return msgreturn.toString();
 			}
 		}
 		else	//	existing
@@ -449,7 +452,8 @@ public class MIssue extends X_AD_Issue
 			catch (Exception e) 
 			{
 				log.severe(e.getLocalizedMessage());
-				return "Update-" + e.getLocalizedMessage();
+				StringBuilder msgreturn = new StringBuilder("Update-").append(e.getLocalizedMessage());
+				return msgreturn.toString();
 			}
 		}
 		
@@ -457,7 +461,7 @@ public class MIssue extends X_AD_Issue
 		String target = "http://dev1/wstore/issueReportServlet";
 		try		//	Send GET Request
 		{
-			StringBuffer urlString = new StringBuffer(target)
+			StringBuilder urlString = new StringBuilder(target)
 				.append(parameter);
 			URL url = new URL (urlString.toString());
 			URLConnection uc = url.openConnection();
@@ -465,15 +469,15 @@ public class MIssue extends X_AD_Issue
 		}
 		catch (Exception e)
 		{
-			String msg = "Cannot connect to http://" + target; 
+			StringBuilder msg = new StringBuilder("Cannot connect to http://").append(target); 
 			if (e instanceof FileNotFoundException || e instanceof ConnectException)
-				msg += "\nServer temporarily down - Please try again later";
+				msg.append("\nServer temporarily down - Please try again later");
 			else
 			{
-				msg += "\nCheck connection - " + e.getLocalizedMessage();
-				log.log(Level.FINE, msg);
+				msg.append("\nCheck connection - ").append(e.getLocalizedMessage());
+				log.log(Level.FINE, msg.toString());
 			}
-			return msg;
+			return msg.toString();
 		}
 		return readResponse(in);
 	}	//	report
@@ -485,7 +489,7 @@ public class MIssue extends X_AD_Issue
 	 */
 	private String readResponse(InputStreamReader in)
 	{
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		int Record_ID = 0;
 		String ResponseText = null;
 		String RequestDocumentNo = null;
@@ -543,7 +547,7 @@ public class MIssue extends X_AD_Issue
 	 */
 	public String toString ()
 	{
-		StringBuffer sb = new StringBuffer ("MIssue[");
+		StringBuilder sb = new StringBuilder ("MIssue[");
 		sb.append (get_ID())
 			.append ("-").append (getIssueSummary())
 			.append (",Record=").append (getRecord_ID())