1 /*
2 * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/xml/XMLTagLibrary.java,v 1.9 2002/06/18 08:31:02 jstrachan Exp $
3 * $Revision: 1.9 $
4 * $Date: 2002/06/18 08:31:02 $
5 *
6 * ====================================================================
7 *
8 * The Apache Software License, Version 1.1
9 *
10 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
11 * reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * 3. The end-user documentation included with the redistribution, if
26 * any, must include the following acknowlegement:
27 * "This product includes software developed by the
28 * Apache Software Foundation (http://www.apache.org/)."
29 * Alternately, this acknowlegement may appear in the software itself,
30 * if and wherever such third-party acknowlegements normally appear.
31 *
32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33 * Foundation" must not be used to endorse or promote products derived
34 * from this software without prior written permission. For written
35 * permission, please contact apache@apache.org.
36 *
37 * 5. Products derived from this software may not be called "Apache"
38 * nor may "Apache" appear in their names without prior written
39 * permission of the Apache Group.
40 *
41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This software consists of voluntary contributions made by many
56 * individuals on behalf of the Apache Software Foundation. For more
57 * information on the Apache Software Foundation, please see
58 * <http://www.apache.org/>.
59 *
60 * $Id: XMLTagLibrary.java,v 1.9 2002/06/18 08:31:02 jstrachan Exp $
61 */
62 package org.apache.commons.jelly.tags.junit;
63
64 import org.apache.commons.jelly.TagLibrary;
65
66 import org.apache.commons.jelly.JellyException;
67 import org.apache.commons.jelly.TagLibrary;
68 import org.apache.commons.jelly.expression.Expression;
69 import org.apache.commons.jelly.expression.ExpressionFactory;
70 import org.apache.commons.jelly.tags.xml.XPathExpression;
71
72 import org.apache.commons.logging.Log;
73 import org.apache.commons.logging.LogFactory;
74
75 import org.jaxen.JaxenException;
76 import org.jaxen.XPath;
77 import org.jaxen.dom4j.Dom4jXPath;
78
79 /*** Describes the Taglib. This class could be generated by XDoclet
80 *
81 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
82 * @version $Revision: 1.9 $
83 */
84 public class JUnitTagLibrary extends TagLibrary {
85
86 /*** The Log to which logging calls will be made. */
87 private Log log = LogFactory.getLog(JUnitTagLibrary.class);
88
89 public JUnitTagLibrary() {
90 registerTag("assert", AssertTag.class);
91 registerTag("assertEquals", AssertEqualsTag.class);
92 registerTag("fail", FailTag.class);
93 registerTag("run", RunTag.class );
94 registerTag("case", CaseTag.class );
95 registerTag("suite", SuiteTag.class );
96 }
97
98 public Expression createExpression(
99 ExpressionFactory factory,
100 String tagName,
101 String attributeName,
102 String attributeValue) throws Exception {
103
104 // #### may need to include some namespace URI information in the XPath instance?
105
106 if (attributeName.equals("xpath")) {
107 if ( log.isDebugEnabled() ) {
108 log.debug( "Parsing XPath expression: " + attributeValue );
109 }
110
111 try {
112 XPath xpath = new Dom4jXPath(attributeValue);
113 return new XPathExpression(xpath);
114 }
115 catch (JaxenException e) {
116 throw new JellyException( "Could not parse XPath expression: \"" + attributeValue + "\" reason: " + e, e );
117 }
118 }
119
120 // will use the default expression instead
121 return super.createExpression(factory, tagName, attributeName, attributeValue);
122 }
123 }
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