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 3048 2007-07-28 18:02:42Z tmorgner $
027: * ------------
028: * (C) Copyright 2000-2005, by Object Refinery Limited.
029: * (C) Copyright 2005-2007, by Pentaho Corporation.
030: */package org.jfree.report.modules.factories.report.flow;
031:
032: import org.jfree.report.flow.FlowControlOperation;
033: import org.jfree.xmlns.parser.AbstractXmlReadHandler;
034: import org.jfree.xmlns.parser.ParseException;
035: import org.xml.sax.Attributes;
036: import org.xml.sax.SAXException;
037:
038: /**
039: * Creation-Date: 09.04.2006, 14:47:59
040: *
041: * @author Thomas Morgner
042: */
043: public class FlowOperationReadHandler extends AbstractXmlReadHandler {
044: private FlowControlOperation operation;
045:
046: public FlowOperationReadHandler() {
047: }
048:
049: /**
050: * Starts parsing.
051: *
052: * @param attrs the attributes.
053: * @throws SAXException if there is a parsing error.
054: */
055: protected void startParsing(final Attributes attrs)
056: throws SAXException {
057: final String value = attrs.getValue(getUri(), "operation");
058: if (value == null) {
059: throw new ParseException(
060: "Required attribute 'operation' is missing.",
061: getLocator());
062: }
063: final String valueTrimmed = value.trim();
064: if (FlowControlOperation.ADVANCE.toString()
065: .equals(valueTrimmed)) {
066: operation = FlowControlOperation.ADVANCE;
067: } else if (FlowControlOperation.COMMIT.toString().equals(
068: valueTrimmed)) {
069: operation = FlowControlOperation.COMMIT;
070: } else if (FlowControlOperation.DONE.toString().equals(
071: valueTrimmed)) {
072: operation = FlowControlOperation.DONE;
073: } else if (FlowControlOperation.MARK.toString().equals(
074: valueTrimmed)) {
075: operation = FlowControlOperation.MARK;
076: } else if (FlowControlOperation.NO_OP.toString().equals(
077: valueTrimmed)) {
078: operation = FlowControlOperation.NO_OP;
079: } else if (FlowControlOperation.RECALL.toString().equals(
080: valueTrimmed)) {
081: operation = FlowControlOperation.RECALL;
082: } else {
083: throw new ParseException(
084: "attribute 'operation' has an invalid value.",
085: getLocator());
086: }
087: }
088:
089: public FlowControlOperation getOperation() {
090: return operation;
091: }
092:
093: /**
094: * Returns the object for this element or null, if this element does not
095: * create an object.
096: *
097: * @return the object.
098: * @throws SAXException if there is a parsing error.
099: */
100: public Object getObject() throws SAXException {
101: return operation;
102: }
103: }
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