/**
* ========================================
* 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: StreamingReportProcessor.java 6659 2008-12-02 15:35:06Z tmorgner $
* ------------
* (C) Copyright 2000-2005, by Object Refinery Limited.
* (C) Copyright 2005-2007, by Pentaho Corporation.
*/
package org.jfree.report.flow.streaming;
import org.jfree.layouting.DefaultLayoutProcess;
import org.jfree.layouting.LayoutProcess;
import org.jfree.layouting.output.OutputProcessor;
import org.jfree.report.DataSourceException;
import org.jfree.report.ReportDataFactoryException;
import org.jfree.report.ReportProcessingException;
import org.jfree.report.flow.AbstractReportProcessor;
import org.jfree.report.flow.LibLayoutReportTarget;
import org.jfree.report.flow.ReportJob;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
/**
* This is written to use LibLayout. It will never work with other report
* targets.
*
* @author Thomas Morgner
*/
public class StreamingReportProcessor extends AbstractReportProcessor
{
private OutputProcessor outputProcessor;
public StreamingReportProcessor()
{
}
public OutputProcessor getOutputProcessor()
{
return outputProcessor;
}
public void setOutputProcessor(final OutputProcessor outputProcessor)
{
this.outputProcessor = outputProcessor;
}
public void processReport(final ReportJob job)
throws ReportDataFactoryException, DataSourceException, ReportProcessingException
{
if (job == null)
{
throw new NullPointerException();
}
synchronized (job)
{
// first, compute the globals
processReportRun(job, createTarget(job));
// second, paginate (this splits the stream into flows)
processReportRun(job, createTarget(job));
// third, generate the content.
processReportRun(job, createTarget(job));
}
}
protected LibLayoutReportTarget createTarget(final ReportJob job)
throws ReportProcessingException
{
if (outputProcessor == null)
{
throw new IllegalStateException(
"OutputProcessor is invalid.");
}
final LayoutProcess layoutProcess =
new DefaultLayoutProcess(outputProcessor);
final ResourceManager resourceManager = job.getReportStructureRoot().getResourceManager();
final ResourceKey resourceKey = job.getReportStructureRoot().getBaseResource();
return new LibLayoutReportTarget
(job, resourceKey, resourceManager, layoutProcess);
}
}