- Cleanup of empty directories
- Dropping CalloutEngine.java as the avoid recursion mechanism is already implemented in adempiere trunk
This commit is contained in:
Carlos Ruiz
parent
f52ee5b937
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6a4c482c51
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/******************************************************************************
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* Product: Adempiere ERP & CRM Smart Business Solution *
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* Copyright (C) 1999-2006 ComPiere, Inc. All Rights Reserved. *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms version 2 of the GNU General Public License as published *
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* by the Free Software Foundation. This program is distributed in the hope *
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* that it will be useful, but WITHOUT ANY WARRANTY; without even the implied *
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU General Public License for more details. *
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* You should have received a copy of the GNU General Public License along *
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* with this program; if not, write to the Free Software Foundation, Inc., *
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
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* For the text or an alternative of this public license, you may reach us *
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* ComPiere, Inc., 2620 Augustine Dr. #245, Santa Clara, CA 95054, USA *
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* or via info@compiere.org or http://www.compiere.org/license.html *
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*****************************************************************************/
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package org.compiere.model;
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import java.lang.reflect.*;
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import java.math.*;
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import java.sql.*;
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import java.util.*;
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import java.util.logging.*;
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import org.compiere.util.*;
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/**
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* Callout Emgine.
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*
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* @author Jorg Janke
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* @version $Id: CalloutEngine.java,v 1.3 2006/07/30 00:51:05 jjanke Exp $
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*/
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public class CalloutEngine implements Callout
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{
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/**
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* Constructor
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*/
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public CalloutEngine()
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{
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super();
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}
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/** Logger */
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protected CLogger log = CLogger.getCLogger(getClass());
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/**
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* Start Callout.
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* <p>
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* Callout's are used for cross field validation and setting values in other fields
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* when returning a non empty (error message) string, an exception is raised
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* <p>
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* When invoked, the Tab model has the new value!
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*
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* @param ctx Context
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* @param methodName Method name
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* @param WindowNo current Window No
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* @param mTab Model Tab
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* @param mField Model Field
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* @param value The new value
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* @param oldValue The old value
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* @return Error message or ""
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*/
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public String start (Properties ctx, String methodName, int WindowNo,
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GridTab mTab, GridField mField, Object value, Object oldValue)
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{
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if (methodName == null || methodName.length() == 0)
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throw new IllegalArgumentException ("No Method Name");
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//
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String retValue = "";
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StringBuffer msg = new StringBuffer(methodName).append(" - ")
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.append(mField.getColumnName())
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.append("=").append(value)
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.append(" (old=").append(oldValue)
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.append(") {active=").append(isCalloutActive()).append("}");
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if (!isCalloutActive())
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log.info (msg.toString());
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// Find Method
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Method method = getMethod(methodName);
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if (method == null)
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throw new IllegalArgumentException ("Method not found: " + methodName);
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int argLength = method.getParameterTypes().length;
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if (!(argLength == 5 || argLength == 6))
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throw new IllegalArgumentException ("Method " + methodName
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+ " has invalid no of arguments: " + argLength);
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// Call Method
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try
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{
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Object[] args = null;
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if (argLength == 6)
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args = new Object[] {ctx, new Integer(WindowNo), mTab, mField, value, oldValue};
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else
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args = new Object[] {ctx, new Integer(WindowNo), mTab, mField, value};
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retValue = (String)method.invoke(this, args);
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}
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catch (Exception e)
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{
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setCalloutActive(false);
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Throwable ex = e.getCause(); // InvocationTargetException
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if (ex == null)
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ex = e;
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log.log(Level.SEVERE, "start: " + methodName, ex);
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ex.printStackTrace(System.err);
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retValue = ex.getLocalizedMessage();
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}
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return retValue;
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} // start
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/**
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* Conversion Rules.
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* Convert a String
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*
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* @param methodName method name
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* @param value the value
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* @return converted String or Null if no method found
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*/
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public String convert (String methodName, String value)
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{
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if (methodName == null || methodName.length() == 0)
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throw new IllegalArgumentException ("No Method Name");
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//
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String retValue = null;
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StringBuffer msg = new StringBuffer(methodName).append(" - ").append(value);
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log.info (msg.toString());
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//
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// Find Method
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Method method = getMethod(methodName);
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if (method == null)
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throw new IllegalArgumentException ("Method not found: " + methodName);
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int argLength = method.getParameterTypes().length;
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if (argLength != 1)
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throw new IllegalArgumentException ("Method " + methodName
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+ " has invalid no of arguments: " + argLength);
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// Call Method
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try
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{
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Object[] args = new Object[] {value};
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retValue = (String)method.invoke(this, args);
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}
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catch (Exception e)
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{
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setCalloutActive(false);
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log.log(Level.SEVERE, "convert: " + methodName, e);
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e.printStackTrace(System.err);
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}
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return retValue;
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} // convert
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/**
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* Get Method
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* @param methodName method name
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* @return method or null
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*/
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private Method getMethod (String methodName)
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{
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Method[] allMethods = getClass().getMethods();
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for (int i = 0; i < allMethods.length; i++)
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{
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if (methodName.equals(allMethods[i].getName()))
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return allMethods[i];
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}
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return null;
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} // getMethod
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/*************************************************************************/
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// private static boolean s_calloutActive = false; // Commented by Ashley
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private static final String CALLOUT_CTX_KEY = "CalloutActive";
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/**
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* Is Callout Active
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* Modification: Retrieves whether callout is (in)active from
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* context rather that simple static boolean variable
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* @return true if active
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*/
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protected static boolean isCalloutActive()
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{
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// return s_calloutActive;
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String value = Env.getContext(Env.getCtx(), CALLOUT_CTX_KEY);
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return "Y".equals(value);
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} // isCalloutActive
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/**
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* Set Callout (in)active
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* Modification: Change the active management from simple static boolean
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* to context integration because in the webui concurrent
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* environment, multiple users won't be able to invoke
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* callout concurrently.
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* @author ashley
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* @param active active
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*/
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protected static void setCalloutActive (boolean active)
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{
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// s_calloutActive = active;
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Env.setContext(Env.getCtx(), CALLOUT_CTX_KEY, active);
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} // setCalloutActive
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/**
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* Set Account Date Value.
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* org.compiere.model.CalloutEngine.dateAcct
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* @param ctx context
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* @param WindowNo window no
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* @param mTab tab
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* @param mField field
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* @param value value
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* @return null or error message
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*/
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public String dateAcct (Properties ctx, int WindowNo, GridTab mTab, GridField mField, Object value)
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{
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if (isCalloutActive()) // assuming it is resetting value
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return "";
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// setCalloutActive(true);
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if (value == null || !(value instanceof Timestamp))
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return "";
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mTab.setValue("DateAcct", value);
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// setCalloutActive(false);
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return "";
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} // dateAcct
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/**
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* Rate - set Multiply Rate from Divide Rate and vice versa
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* org.compiere.model.CalloutEngine.rate
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* @param ctx context
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* @param WindowNo window no
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* @param mTab tab
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* @param mField field
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* @param value value
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* @return null or error message
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*/
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public String rate (Properties ctx, int WindowNo, GridTab mTab, GridField mField, Object value)
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{
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if (isCalloutActive() || value == null) // assuming it is Conversion_Rate
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return "";
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setCalloutActive(true);
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BigDecimal rate1 = (BigDecimal)value;
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BigDecimal rate2 = Env.ZERO;
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BigDecimal one = new BigDecimal(1.0);
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if (rate1.doubleValue() != 0.0) // no divide by zero
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rate2 = one.divide(rate1, 12, BigDecimal.ROUND_HALF_UP);
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//
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if (mField.getColumnName().equals("MultiplyRate"))
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mTab.setValue("DivideRate", rate2);
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else
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mTab.setValue("MultiplyRate", rate2);
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log.info(mField.getColumnName() + "=" + rate1 + " => " + rate2);
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setCalloutActive(false);
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return "";
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} // rate
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} // CalloutEngine
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