/**
* ========================================
* 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: AbstractReportProcessor.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;
import org.jfree.report.DataSourceException;
import org.jfree.report.ReportDataFactoryException;
import org.jfree.report.ReportProcessingException;
import org.jfree.report.data.ReportContextImpl;
import org.jfree.report.flow.layoutprocessor.DefaultLayoutControllerFactory;
import org.jfree.report.flow.layoutprocessor.LayoutController;
import org.jfree.report.flow.layoutprocessor.LayoutControllerFactory;
import org.pentaho.reporting.libraries.formula.DefaultFormulaContext;
/**
* Creation-Date: 10.11.2006, 16:07:26
*
* @author Thomas Morgner
*/
public abstract class AbstractReportProcessor implements ReportProcessor
{
protected AbstractReportProcessor()
{
}
protected void processReportRun
(final ReportJob job,
final ReportTarget target)
throws ReportDataFactoryException,
DataSourceException, ReportProcessingException
{
synchronized (job)
{
final ReportContext context = createReportContext(job, target);
final LayoutControllerFactory layoutFactory =
context.getLayoutControllerFactory();
// we have the data and we have our position inside the report.
// lets generate something ...
final FlowController flowController = createFlowControler(context, job);
LayoutController layoutController =
layoutFactory.create(flowController, job.getReportStructureRoot(), null);
while (layoutController.isAdvanceable())
{
layoutController = layoutController.advance(target);
while (layoutController.isAdvanceable() == false &&
layoutController.getParent() != null)
{
final LayoutController parent = layoutController.getParent();
target.commit();
layoutController = parent.join(layoutController.getFlowController());
}
}
target.commit();
}
}
protected ReportContext createReportContext (final ReportJob job,
final ReportTarget target)
{
final ReportContextImpl context = new ReportContextImpl();
context.setExportDescriptor(target.getExportDescriptor());
final DefaultLayoutControllerFactory lcf = new DefaultLayoutControllerFactory();
lcf.initialize(job);
context.setLayoutControllerFactory(lcf);
final DefaultFormulaContext formulaContext = new DefaultFormulaContext();
context.setFormulaContext(formulaContext);
context.setResourceBundleFactory(job.getResourceBundleFactory());
context.setReportStructureRoot(job.getReportStructureRoot());
return context;
}
protected FlowController createFlowControler(final ReportContext context,
final ReportJob job)
throws DataSourceException
{
return new DefaultFlowController(context, job);
}
}