Source for org.jfree.report.modules.gui.swing.pdf.PdfExportTask

   1: /**
   2:  * ========================================
   3:  * JFreeReport : a free Java report library
   4:  * ========================================
   5:  *
   6:  * Project Info:  http://reporting.pentaho.org/
   7:  *
   8:  * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
   9:  *
  10:  * This library is free software; you can redistribute it and/or modify it under the terms
  11:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
  12:  * either version 2.1 of the License, or (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  15:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16:  * See the GNU Lesser General Public License for more details.
  17:  *
  18:  * You should have received a copy of the GNU Lesser General Public License along with this
  19:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20:  * Boston, MA 02111-1307, USA.
  21:  *
  22:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
  23:  * in the United States and other countries.]
  24:  *
  25:  * ------------
  26:  * $Id: PdfExportTask.java 2890 2007-06-10 15:54:22Z taqua $
  27:  * ------------
  28:  * (C) Copyright 2000-2005, by Object Refinery Limited.
  29:  * (C) Copyright 2005-2007, by Pentaho Corporation.
  30:  */
  31: 
  32: package org.jfree.report.modules.gui.swing.pdf;
  33: 
  34: import java.io.File;
  35: import java.io.FileOutputStream;
  36: 
  37: import org.jfree.layouting.modules.output.pdf.PdfOutputProcessor;
  38: import org.jfree.report.ReportConfigurationException;
  39: import org.jfree.report.flow.ReportJob;
  40: import org.jfree.report.flow.streaming.StreamingReportProcessor;
  41: import org.jfree.util.Configuration;
  42: import org.jfree.util.Log;
  43: 
  44: /**
  45:  * Creation-Date: 02.12.2006, 15:34:17
  46:  *
  47:  * @author Thomas Morgner
  48:  */
  49: public class PdfExportTask implements Runnable
  50: {
  51:   private ReportJob job;
  52:   private File targetFile;
  53: 
  54:   public PdfExportTask(final ReportJob job)
  55:       throws ReportConfigurationException
  56:   {
  57:     if (job == null)
  58:     {
  59:       throw new NullPointerException();
  60:     }
  61:     this.job = job;
  62:     final Configuration config = job.getConfiguration();
  63:     final String targetFileName = config.getConfigProperty("org.jfree.report.modules.gui.common.pdf.TargetFileName");
  64: 
  65:     targetFile = new File(targetFileName);
  66:     if (targetFile.exists())
  67:     {
  68:       if (targetFile.delete())
  69:       {
  70:         throw new ReportConfigurationException("Target-File exists, but cannot be removed.");
  71:       }
  72:     }
  73:   }
  74: 
  75:   /**
  76:    * When an object implementing interface <code>Runnable</code> is used to
  77:    * create a thread, starting the thread causes the object's <code>run</code>
  78:    * method to be called in that separately executing thread.
  79:    * <p/>
  80:    * The general contract of the method <code>run</code> is that it may take any
  81:    * action whatsoever.
  82:    *
  83:    * @see Thread#run()
  84:    */
  85:   public void run()
  86:   {
  87:     try
  88:     {
  89:       final FileOutputStream fout = new FileOutputStream(targetFile);
  90:       final StreamingReportProcessor sp = new StreamingReportProcessor();
  91:       final PdfOutputProcessor outputProcessor = new PdfOutputProcessor(job.getConfiguration(), fout);
  92:       sp.setOutputProcessor(outputProcessor);
  93:       sp.processReport(job);
  94: 
  95:     }
  96:     catch (Exception e)
  97:     {
  98:       Log.error ("PDF-Export failed. ", e);
  99:     }
 100:     try
 101:     {
 102:       job.close();
 103:       job = null;
 104:     }
 105:     catch(Exception e)
 106:     {
 107:       // ignore ..
 108:     }
 109:   }
 110: }