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: FlowOperationReadHandler.java 2725 2007-04-01 18:49:29Z taqua $ 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.report.flow.FlowControlOperation; 034 import org.jfree.xmlns.parser.AbstractXmlReadHandler; 035 import org.jfree.xmlns.parser.ParseException; 036 import org.xml.sax.Attributes; 037 import org.xml.sax.SAXException; 038 039 /** 040 * Creation-Date: 09.04.2006, 14:47:59 041 * 042 * @author Thomas Morgner 043 */ 044 public class FlowOperationReadHandler extends AbstractXmlReadHandler 045 { 046 private FlowControlOperation operation; 047 048 public FlowOperationReadHandler() 049 { 050 } 051 052 /** 053 * Starts parsing. 054 * 055 * @param attrs the attributes. 056 * @throws SAXException if there is a parsing error. 057 */ 058 protected void startParsing(final Attributes attrs) throws SAXException 059 { 060 final String value = attrs.getValue(getUri(), "operation"); 061 if (value == null) 062 { 063 throw new ParseException("Required attribute 'operation' is missing.", getLocator()); 064 } 065 final String valueTrimmed = value.trim(); 066 if (FlowControlOperation.ADVANCE.toString().equals(valueTrimmed)) 067 { 068 operation = FlowControlOperation.ADVANCE; 069 } 070 else if (FlowControlOperation.COMMIT.toString().equals(valueTrimmed)) 071 { 072 operation = FlowControlOperation.COMMIT; 073 } 074 else if (FlowControlOperation.DONE.toString().equals(valueTrimmed)) 075 { 076 operation = FlowControlOperation.DONE; 077 } 078 else if (FlowControlOperation.MARK.toString().equals(valueTrimmed)) 079 { 080 operation = FlowControlOperation.MARK; 081 } 082 else if (FlowControlOperation.NO_OP.toString().equals(valueTrimmed)) 083 { 084 operation = FlowControlOperation.NO_OP; 085 } 086 else if (FlowControlOperation.RECALL.toString().equals(valueTrimmed)) 087 { 088 operation = FlowControlOperation.RECALL; 089 } 090 else 091 { 092 throw new ParseException("attribute 'operation' has an invalid value.", getLocator()); 093 } 094 } 095 096 public FlowControlOperation getOperation() 097 { 098 return operation; 099 } 100 101 /** 102 * Returns the object for this element or null, if this element does not 103 * create an object. 104 * 105 * @return the object. 106 * @throws SAXException if there is a parsing error. 107 */ 108 public Object getObject() throws SAXException 109 { 110 return operation; 111 } 112 }