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,v 1.5 2007/04/01 18:49:26 taqua Exp $
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 }