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: ReportTarget.java 3048 2007-07-28 18:02:42Z tmorgner $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    package org.jfree.report.flow;
032    
033    import org.jfree.layouting.namespace.NamespaceDefinition;
034    import org.jfree.layouting.util.AttributeMap;
035    import org.jfree.report.DataFlags;
036    import org.jfree.report.DataSourceException;
037    import org.jfree.report.ReportProcessingException;
038    
039    /**
040     * The report target is responsible for the content creation. There are targets
041     * which forward all incomming calls to LibLayout, while other targets process
042     * the content directly.
043     *
044     * @author Thomas Morgner
045     */
046    public interface ReportTarget
047    {
048      public void startReport (ReportStructureRoot report)
049              throws DataSourceException, ReportProcessingException;
050    
051      public void startElement (final AttributeMap attrs)
052              throws DataSourceException, ReportProcessingException;
053    
054      public void processText (final String text)
055              throws DataSourceException, ReportProcessingException;
056    
057      public void processContent (final DataFlags value)
058              throws DataSourceException, ReportProcessingException;
059    
060      public void endElement (final AttributeMap attrs)
061              throws DataSourceException, ReportProcessingException;
062    
063      public void endReport (ReportStructureRoot report)
064              throws DataSourceException, ReportProcessingException;
065    
066      public String getExportDescriptor();
067    
068      public NamespaceDefinition getNamespaceByUri(String uri);
069    
070      public void commit() throws ReportProcessingException;
071    }