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: ExpressionReadHandler.java 3525 2007-10-16 11:43:48Z 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.modules.factories.report.flow; 032 033 import org.jfree.xmlns.parser.StringReadHandler; 034 import org.jfree.xmlns.parser.XmlReadHandler; 035 import org.xml.sax.Attributes; 036 import org.xml.sax.SAXException; 037 038 /** 039 * Creation-Date: 09.04.2006, 13:40:08 040 * 041 * @author Thomas Morgner 042 */ 043 public class ExpressionReadHandler extends AbstractExpressionReadHandler 044 { 045 private StringReadHandler nameReadHandler; 046 047 public ExpressionReadHandler() 048 { 049 } 050 051 /** 052 * Returns the handler for a child element. 053 * 054 * @param tagName the tag name. 055 * @param atts the attributes. 056 * @return the handler or null, if the tagname is invalid. 057 * @throws SAXException if there is a parsing error. 058 * @throws XmlReaderException if there is a reader error. 059 */ 060 protected XmlReadHandler getHandlerForChild(final String uri, 061 final String tagName, 062 final Attributes atts) 063 throws SAXException 064 { 065 if (isSameNamespace(uri) == false) 066 { 067 return null; 068 } 069 if ("name".equals(tagName)) 070 { 071 nameReadHandler = new StringReadHandler(); 072 return nameReadHandler; 073 } 074 return super.getHandlerForChild(uri, tagName, atts); 075 } 076 077 /** 078 * Done parsing. 079 * 080 * @throws SAXException if there is a parsing error. 081 * @throws XmlReaderException if there is a reader error. 082 */ 083 protected void doneParsing() throws SAXException 084 { 085 super.doneParsing(); 086 if (nameReadHandler != null) 087 { 088 getExpression().setName(nameReadHandler.getResult()); 089 } 090 } 091 }