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,v 1.9 2007/04/01 18:49:25 taqua Exp $
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 }