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: ReportReadHandler.java,v 1.9 2007/04/01 18:49:27 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.modules.factories.report.flow;
032
033 import java.util.ArrayList;
034 import java.util.Iterator;
035 import java.util.Map;
036 import java.util.Properties;
037
038 import org.jfree.report.JFreeReport;
039 import org.jfree.report.modules.factories.data.base.DataFactoryReadHandlerFactory;
040 import org.jfree.report.modules.factories.data.base.DataFactoryReadHandler;
041 import org.jfree.report.structure.Element;
042 import org.jfree.xmlns.parser.PropertiesReadHandler;
043 import org.jfree.xmlns.parser.StringReadHandler;
044 import org.jfree.xmlns.parser.XmlReadHandler;
045 import org.jfree.xmlns.parser.ParseException;
046 import org.xml.sax.Attributes;
047 import org.xml.sax.SAXException;
048
049 /**
050 * Creation-Date: 09.04.2006, 14:57:38
051 *
052 * @author Thomas Morgner
053 */
054 public class ReportReadHandler extends SectionReadHandler
055 {
056 private StringReadHandler queryReadHandler;
057 private PropertiesReadHandler propertiesReadHandler;
058 private DataFactoryReadHandler datasourceFactoryReadHandler;
059 private ArrayList styleSheetReadHandlers;
060 private JFreeReport report;
061
062 /**
063 * Creates a new generic read handler. The given namespace and tagname can be
064 * arbitary values and should not be confused with the ones provided by the
065 * XMLparser itself.
066 */
067 public ReportReadHandler()
068 {
069 report = new JFreeReport();
070 styleSheetReadHandlers = new ArrayList();
071 }
072
073 /**
074 * Returns the handler for a child element.
075 *
076 * @param tagName the tag name.
077 * @param atts the attributes.
078 * @return the handler or null, if the tagname is invalid.
079 * @throws SAXException if there is a parsing error.
080 */
081 protected XmlReadHandler getHandlerForChild(final String uri,
082 final String tagName,
083 final Attributes atts)
084 throws SAXException
085 {
086 XmlReadHandler base = super.getHandlerForChild(uri, tagName, atts);
087 if (base != null)
088 {
089 return base;
090 }
091
092 final DataFactoryReadHandlerFactory factory = DataFactoryReadHandlerFactory.getInstance();
093 final DataFactoryReadHandler handler = (DataFactoryReadHandler) factory.getHandler(uri, tagName);
094 if (handler != null)
095 {
096 datasourceFactoryReadHandler = handler;
097 return handler;
098 }
099
100
101 if (FlowReportFactoryModule.NAMESPACE.equals(uri))
102 {
103 if ("query".equals(tagName))
104 {
105 queryReadHandler = new StringReadHandler();
106 return queryReadHandler;
107 }
108 if ("configuration".equals(tagName))
109 {
110 propertiesReadHandler = new PropertiesReadHandler();
111 return propertiesReadHandler;
112 }
113 if ("stylesheet".equals(tagName))
114 {
115 StyleSheetReadHandler srh = new StyleSheetReadHandler();
116 styleSheetReadHandlers.add(srh);
117 return srh;
118 }
119 if ("inline-stylesheet".equals(tagName))
120 {
121 StyleSheetReadHandler srh = new StyleSheetReadHandler();
122 styleSheetReadHandlers.add(srh);
123 return srh;
124 }
125 }
126 return null;
127 }
128
129 /**
130 * Done parsing.
131 *
132 * @throws SAXException if there is a parsing error.
133 */
134 protected void doneParsing() throws SAXException
135 {
136 if (queryReadHandler == null)
137 {
138 throw new ParseException
139 ("Required element 'query' is missing.", getLocator());
140 }
141 super.doneParsing();
142 JFreeReport report = (JFreeReport) getElement();
143 report.setQuery(queryReadHandler.getResult());
144 if (propertiesReadHandler != null)
145 {
146 final Properties p = propertiesReadHandler.getResult();
147 final Iterator entries = p.entrySet().iterator();
148 while (entries.hasNext())
149 {
150 Map.Entry entry = (Map.Entry) entries.next();
151 report.getEditableConfiguration().setConfigProperty
152 ((String) entry.getKey(), (String) entry.getValue());
153 }
154 }
155 if (datasourceFactoryReadHandler != null)
156 {
157 report.setDataFactory(datasourceFactoryReadHandler.getDataFactory());
158 }
159 for (int i = 0; i < styleSheetReadHandlers.size(); i++)
160 {
161 StyleSheetReadHandler handler = (StyleSheetReadHandler)
162 styleSheetReadHandlers.get(i);
163 report.addStyleSheet(handler.getStyleSheet());
164 }
165 }
166
167 protected Element getElement()
168 {
169 return report;
170 }
171 }