001    /**
002     * ========================================
003     * JFreeReport : a free Java report library
004     * ========================================
005     *
006     * Project Info:  http://reporting.pentaho.org/
007     *
008     * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * $Id: ReportLayoutController.java 2725 2007-04-01 18:49:29Z taqua $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    
032    package org.jfree.report.flow.layoutprocessor;
033    
034    import org.jfree.report.DataSourceException;
035    import org.jfree.report.JFreeReport;
036    import org.jfree.report.ReportDataFactoryException;
037    import org.jfree.report.ReportProcessingException;
038    import org.jfree.report.flow.FlowController;
039    import org.jfree.report.flow.ReportTarget;
040    
041    /**
042     * Creation-Date: 24.11.2006, 13:56:50
043     *
044     * @author Thomas Morgner
045     */
046    public class ReportLayoutController extends SectionLayoutController
047    {
048      public ReportLayoutController()
049      {
050      }
051    
052      protected FlowController startData(final ReportTarget target,
053                                         final FlowController fc)
054          throws DataSourceException,
055          ReportProcessingException, ReportDataFactoryException
056      {
057        final JFreeReport report = (JFreeReport) getElement();
058        target.startReport(report);
059        return fc.performQuery(report.getQuery());
060      }
061    
062      protected FlowController finishData(final ReportTarget target,
063                                          final FlowController fc)
064          throws DataSourceException, ReportProcessingException
065      {
066        final JFreeReport report = (JFreeReport) getElement();
067        target.endReport(report);
068        // do something fancy ... query the data, for instance.
069        // this implies that we create a new global datarow.
070        return fc.performReturnFromQuery();
071      }
072    }