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: AutoTableElementReadHandler.java,v 1.3 2007/04/01 18:49:32 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.modules.misc.autotable.xml;
033
034 import java.util.ArrayList;
035
036 import org.jfree.report.modules.factories.report.flow.AbstractElementReadHandler;
037 import org.jfree.report.modules.factories.report.base.NodeReadHandlerFactory;
038 import org.jfree.report.modules.factories.report.base.NodeReadHandler;
039 import org.jfree.report.modules.misc.autotable.AutoTableElement;
040 import org.jfree.report.modules.misc.autotable.AutoTableModule;
041 import org.jfree.report.structure.Element;
042 import org.jfree.report.structure.Section;
043 import org.jfree.xmlns.parser.XmlReadHandler;
044 import org.xml.sax.Attributes;
045 import org.xml.sax.SAXException;
046
047 /**
048 * Creation-Date: Dec 9, 2006, 5:47:25 PM
049 *
050 * @author Thomas Morgner
051 */
052 public class AutoTableElementReadHandler extends AbstractElementReadHandler
053 {
054 private AutoTableElement autoTableElement;
055 private ArrayList headerSections;
056 private ArrayList footerSections;
057 private ArrayList contentSections;
058
059 public AutoTableElementReadHandler()
060 {
061 autoTableElement = new AutoTableElement();
062 headerSections = new ArrayList();
063 contentSections = new ArrayList();
064 footerSections = new ArrayList();
065 }
066
067 protected Element getElement()
068 {
069 return autoTableElement;
070 }
071
072 /**
073 * Returns the handler for a child element.
074 *
075 * @param tagName the tag name.
076 * @param atts the attributes.
077 * @return the handler or null, if the tagname is invalid.
078 * @throws org.xml.sax.SAXException if there is a parsing error.
079 * @throws XmlReaderException if there is a reader error.
080 */
081 protected XmlReadHandler getHandlerForChild(final String uri,
082 final String tagName,
083 final Attributes atts)
084 throws SAXException
085 {
086 if (AutoTableModule.AUTOTABLE_NAMESPACE.equals(uri) == false)
087 {
088 return super.getHandlerForChild(uri, tagName, atts);
089 }
090
091 final NodeReadHandlerFactory factory = NodeReadHandlerFactory.getInstance();
092 final NodeReadHandler handler = (NodeReadHandler) factory.getHandler(uri, tagName);
093 if (handler == null)
094 {
095 return null;
096 }
097
098 if (tagName.equals("auto-table-header"))
099 {
100 headerSections.add(handler);
101 return handler;
102 }
103
104 if (tagName.equals("auto-table-footer"))
105 {
106 footerSections.add(handler);
107 return handler;
108 }
109
110 if (tagName.equals("auto-table-cell"))
111 {
112 contentSections.add(handler);
113 return handler;
114 }
115
116 return null;
117 }
118
119
120 /**
121 * Done parsing.
122 *
123 * @throws org.xml.sax.SAXException if there is a parsing error.
124 */
125 protected void doneParsing() throws SAXException
126 {
127 for (int i = 0; i < headerSections.size(); i++)
128 {
129 final NodeReadHandler handler = (NodeReadHandler) headerSections.get(i);
130 autoTableElement.addHeader((Section) handler.getNode());
131 }
132
133 for (int i = 0; i < footerSections.size(); i++)
134 {
135 final NodeReadHandler handler = (NodeReadHandler) footerSections.get(i);
136 autoTableElement.addFooter((Section) handler.getNode());
137 }
138
139 for (int i = 0; i < contentSections.size(); i++)
140 {
141 final NodeReadHandler handler = (NodeReadHandler) contentSections.get(i);
142 autoTableElement.addContent((Section) handler.getNode());
143 }
144 }
145 }