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http://sourceforge.net/tracker/?func=detail&aid=2826268&group_id=176962&atid=955896 [Large report and big pdf] 

- use temporary file for pdf rendering, use less memory on the server and works better with the latest adobe reader plugin ( 9.2+ )
This commit is contained in:
Heng Sin Low 2009-11-04 08:00:35 +00:00
parent 62ab3c9244
commit d47ded66a3
2 changed files with 46 additions and 16 deletions
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49
zkwebui/WEB-INF/src/org/adempiere/webui/window/ZkJRViewer.java
View File

@ -1,10 +1,14 @@
package org.adempiere.webui.window; package org.adempiere.webui.window;
import net.sf.jasperreports.engine.JRException; import java.io.File;
import java.util.logging.Level;
import net.sf.jasperreports.engine.JasperExportManager; import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperPrint; import net.sf.jasperreports.engine.JasperPrint;
import org.adempiere.exceptions.AdempiereException;
import org.adempiere.webui.component.Window; import org.adempiere.webui.component.Window;
import org.compiere.util.CLogger;
import org.zkoss.util.media.AMedia; import org.zkoss.util.media.AMedia;
import org.zkoss.zkex.zul.Borderlayout; import org.zkoss.zkex.zul.Borderlayout;
import org.zkoss.zkex.zul.Center; import org.zkoss.zkex.zul.Center;
@ -15,12 +19,13 @@ import org.zkoss.zul.Toolbarbutton;
public class ZkJRViewer extends Window { public class ZkJRViewer extends Window {
/** private static final long serialVersionUID = 2021796699437770927L;
*
*/
private static final long serialVersionUID = -7657218073670612078L;
private JasperPrint jasperPrint; private JasperPrint jasperPrint;
/** Logger */
private static CLogger log = CLogger.getCLogger(ZkJRViewer.class);
public ZkJRViewer(JasperPrint jasperPrint, String title) { public ZkJRViewer(JasperPrint jasperPrint, String title) {
this.setTitle(title); this.setTitle(title);
this.jasperPrint = jasperPrint; this.jasperPrint = jasperPrint;
@ -52,16 +57,36 @@ public class ZkJRViewer extends Window {
iframe.setHeight("100%"); iframe.setHeight("100%");
iframe.setWidth("100%"); iframe.setWidth("100%");
byte[] data = null;
try { try {
data = JasperExportManager.exportReportToPdf(jasperPrint); String path = System.getProperty("java.io.tmpdir");
} catch (JRException e) { String prefix = makePrefix(jasperPrint.getName());
e.printStackTrace(); if (log.isLoggable(Level.FINE))
} {
AMedia media = new AMedia(getTitle(), "pdf", "application/pdf", data); log.log(Level.FINE, "Path="+path + " Prefix="+prefix);
iframe.setContent(media); }
File file = File.createTempFile(prefix, ".pdf", new File(path));
JasperExportManager.exportReportToPdfFile(jasperPrint, file.getAbsolutePath());
AMedia media = new AMedia(getTitle(), "pdf", "application/pdf", file, true);
iframe.setContent(media);
} catch (Exception e) {
log.log(Level.SEVERE, e.getLocalizedMessage(), e);
throw new AdempiereException("Failed to render report.", e);
}
center.appendChild(iframe); center.appendChild(iframe);
this.setBorder("normal"); this.setBorder("normal");
} }
private String makePrefix(String name) {
StringBuffer prefix = new StringBuffer();
char[] nameArray = name.toCharArray();
for (char ch : nameArray) {
if (Character.isLetterOrDigit(ch)) {
prefix.append(ch);
} else {
prefix.append("_");
}
}
return prefix.toString();
}
} }

13
zkwebui/WEB-INF/src/org/adempiere/webui/window/ZkReportViewer.java
View File

@ -93,9 +93,6 @@ import org.zkoss.zul.Vbox;
*/ */
public class ZkReportViewer extends Window implements EventListener { public class ZkReportViewer extends Window implements EventListener {
/**
*
*/
private static final long serialVersionUID = 1492321933977608137L; private static final long serialVersionUID = 1492321933977608137L;
/** Window No */ /** Window No */
private int m_WindowNo; private int m_WindowNo;
@ -327,7 +324,15 @@ public class ZkReportViewer extends Window implements EventListener {
AMedia media = null; AMedia media = null;
Listitem selected = previewType.getSelectedItem(); Listitem selected = previewType.getSelectedItem();
if (selected == null || "PDF".equals(selected.getValue())) { if (selected == null || "PDF".equals(selected.getValue())) {
media = new AMedia(getTitle(), "pdf", "application/pdf", m_reportEngine.createPDFData()); String path = System.getProperty("java.io.tmpdir");
String prefix = makePrefix(m_reportEngine.getName());
if (log.isLoggable(Level.FINE))
{
log.log(Level.FINE, "Path="+path + " Prefix="+prefix);
}
File file = File.createTempFile(prefix, ".pdf", new File(path));
m_reportEngine.createPDF(file);
media = new AMedia(getTitle(), "pdf", "application/pdf", file, true);
} else if ("HTML".equals(previewType.getSelectedItem().getValue())) { } else if ("HTML".equals(previewType.getSelectedItem().getValue())) {
String path = System.getProperty("java.io.tmpdir"); String path = System.getProperty("java.io.tmpdir");
String prefix = makePrefix(m_reportEngine.getName()); String prefix = makePrefix(m_reportEngine.getName());