/**
* ========================================
* JFreeReport : a free Java report library
* ========================================
*
* Project Info: http://reporting.pentaho.org/
*
* (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: HtmlFileExportTask.java 2890 2007-06-10 15:54:22Z taqua $
* ------------
* (C) Copyright 2000-2005, by Object Refinery Limited.
* (C) Copyright 2005-2007, by Pentaho Corporation.
*/
package org.jfree.report.modules.gui.swing.html;
import java.io.File;
import org.jfree.io.IOUtils;
import org.jfree.layouting.modules.output.html.FileSystemURLRewriter;
import org.jfree.layouting.modules.output.html.FlowHtmlOutputProcessor;
import org.jfree.layouting.modules.output.html.HtmlOutputProcessor;
import org.jfree.layouting.modules.output.html.HtmlPrinter;
import org.jfree.layouting.modules.output.html.PageableHtmlOutputProcessor;
import org.jfree.layouting.modules.output.html.StreamingHtmlOutputProcessor;
import org.jfree.report.ReportConfigurationException;
import org.jfree.report.flow.ReportJob;
import org.jfree.report.flow.streaming.StreamingReportProcessor;
import org.jfree.repository.ContentLocation;
import org.jfree.repository.DefaultNameGenerator;
import org.jfree.repository.file.FileRepository;
import org.jfree.util.Configuration;
import org.jfree.util.Log;
/**
* Creation-Date: 02.12.2006, 14:15:14
*
* @author Thomas Morgner
*/
public class HtmlFileExportTask implements Runnable
{
private ReportJob job;
private File dataDirectory;
private File targetDirectory;
private String exportMethod;
private String suffix;
private String filename;
private String encoding;
public HtmlFileExportTask(final ReportJob job)
throws ReportConfigurationException
{
if (job == null)
{
throw new NullPointerException();
}
this.job = job;
final Configuration config = job.getConfiguration();
final String dataDirectoryName = config.getConfigProperty
("org.jfree.report.modules.gui.common.html.file.DataDirectory");
final String targetFileName = config.getConfigProperty
("org.jfree.report.modules.gui.common.html.file.TargetFileName");
exportMethod = config.getConfigProperty
("org.jfree.report.modules.gui.common.html.file.ExportMethod");
encoding = config.getConfigProperty
("org.jfree.report.modules.gui.common.html.file.Encoding", "ASCII");
final File targetFile = new File(targetFileName);
targetDirectory = targetFile.getParentFile();
dataDirectory = new File(targetFile, dataDirectoryName);
if (dataDirectory.isDirectory() == false)
{
throw new ReportConfigurationException("DataDirectory is invalid: " + dataDirectory);
}
suffix = IOUtils.getInstance().getFileExtension(targetFile.getName());
filename = IOUtils.getInstance().stripFileExtension(targetFile.getName());
if (targetFile.exists())
{
// lets try to delete it ..
if (targetFile.delete() == false)
{
throw new ReportConfigurationException
("Target-File exists, but cannot be removed.");
}
}
}
/**
* When an object implementing interface <code>Runnable</code> is used to
* create a thread, starting the thread causes the object's <code>run</code>
* method to be called in that separately executing thread.
* <p/>
* The general contract of the method <code>run</code> is that it may take any
* action whatsoever.
*
* @see Thread#run()
*/
public void run()
{
try
{
final FileRepository targetRepository = new FileRepository(targetDirectory);
final ContentLocation targetRoot = targetRepository.getRoot();
final FileRepository dataRepository = new FileRepository(dataDirectory);
final ContentLocation dataRoot = dataRepository.getRoot();
final StreamingReportProcessor sp = new StreamingReportProcessor();
final HtmlOutputProcessor outputProcessor = createOutputProcessor();
final HtmlPrinter printer = outputProcessor.getPrinter();
printer.setContentWriter(targetRoot,
new DefaultNameGenerator(targetRoot, filename, suffix));
printer.setDataWriter(dataRoot, new DefaultNameGenerator(dataRoot, "content"));
printer.setEncoding(encoding);
printer.setUrlRewriter(new FileSystemURLRewriter());
sp.setOutputProcessor(outputProcessor);
sp.processReport(job);
}
catch(Exception e)
{
Log.error ("File-Export failed. ", e);
}
finally{
try
{
job.close();
job = null;
}
catch(Exception e)
{
// ignore ..
}
}
}
protected HtmlOutputProcessor createOutputProcessor()
{
if ("pageable".equals(exportMethod))
{
return new PageableHtmlOutputProcessor(job.getConfiguration());
}
else if ("flow".equals(exportMethod))
{
return new FlowHtmlOutputProcessor(job.getConfiguration());
}
else
{
return new StreamingHtmlOutputProcessor(job.getConfiguration());
}
}
}