01: /**
02: * ========================================
03: * JFreeReport : a free Java report library
04: * ========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
09: *
10: * This library is free software; you can redistribute it and/or modify it under the terms
11: * of the GNU Lesser General Public License as published by the Free Software Foundation;
12: * either version 2.1 of the License, or (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16: * See the GNU Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License along with this
19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: *
22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23: * in the United States and other countries.]
24: *
25: * ------------
26: * $Id: ExpressionReadHandler.java 3525 2007-10-16 11:43:48Z tmorgner $
27: * ------------
28: * (C) Copyright 2000-2005, by Object Refinery Limited.
29: * (C) Copyright 2005-2007, by Pentaho Corporation.
30: */package org.jfree.report.modules.factories.report.flow;
31:
32: import org.jfree.xmlns.parser.StringReadHandler;
33: import org.jfree.xmlns.parser.XmlReadHandler;
34: import org.xml.sax.Attributes;
35: import org.xml.sax.SAXException;
36:
37: /**
38: * Creation-Date: 09.04.2006, 13:40:08
39: *
40: * @author Thomas Morgner
41: */
42: public class ExpressionReadHandler extends
43: AbstractExpressionReadHandler {
44: private StringReadHandler nameReadHandler;
45:
46: public ExpressionReadHandler() {
47: }
48:
49: /**
50: * Returns the handler for a child element.
51: *
52: * @param tagName the tag name.
53: * @param atts the attributes.
54: * @return the handler or null, if the tagname is invalid.
55: * @throws SAXException if there is a parsing error.
56: * @throws XmlReaderException if there is a reader error.
57: */
58: protected XmlReadHandler getHandlerForChild(final String uri,
59: final String tagName, final Attributes atts)
60: throws SAXException {
61: if (isSameNamespace(uri) == false) {
62: return null;
63: }
64: if ("name".equals(tagName)) {
65: nameReadHandler = new StringReadHandler();
66: return nameReadHandler;
67: }
68: return super .getHandlerForChild(uri, tagName, atts);
69: }
70:
71: /**
72: * Done parsing.
73: *
74: * @throws SAXException if there is a parsing error.
75: * @throws XmlReaderException if there is a reader error.
76: */
77: protected void doneParsing() throws SAXException {
78: super.doneParsing();
79: if (nameReadHandler != null) {
80: getExpression().setName(nameReadHandler.getResult());
81: }
82: }
83: }
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