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,v 1.5 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 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 }