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Java > Open Source Codes > org > apache > commons > jelly > tags > junit > JUnitTagLibrary


1 /*
2  * Copyright 2002,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.jelly.tags.junit;
17
18 import org.apache.commons.jelly.TagLibrary;
19
20 import org.apache.commons.jelly.JellyException;
21 import org.apache.commons.jelly.expression.Expression;
22 import org.apache.commons.jelly.expression.ExpressionFactory;
23 import org.apache.commons.jelly.impl.TagScript;
24 import org.apache.commons.jelly.expression.xpath.XPathExpression;
25
26 import org.apache.commons.logging.Log;
27 import org.apache.commons.logging.LogFactory;
28
29 /** Describes the Taglib. This class could be generated by XDoclet
30   *
31   * @author <a HREF="mailto:jstrachan@apache.org">James Strachan</a>
32   * @version $Revision: 155420 $
33   */
34 public class JUnitTagLibrary extends TagLibrary {
35
36     /** The Log to which logging calls will be made. */
37     private Log log = LogFactory.getLog(JUnitTagLibrary.class);
38
39     public JUnitTagLibrary() {
40         registerTag("assert", AssertTag.class);
41         registerTag("assertEquals", AssertEqualsTag.class);
42         registerTag("assertThrows", AssertThrowsTag.class);
43         registerTag("fail", FailTag.class);
44         registerTag("run", RunTag.class );
45         registerTag("case", CaseTag.class );
46         registerTag("suite", SuiteTag.class );
47     }
48
49     public Expression createExpression(
50         ExpressionFactory factory,
51         TagScript tagScript,
52         String JavaDoc attributeName,
53         String JavaDoc attributeValue) throws JellyException {
54
55         // #### may need to include some namespace URI information in the XPath instance?
56
57         if (attributeName.equals("xpath")) {
58             if ( log.isDebugEnabled() ) {
59                 log.debug( "Parsing XPath expression: " + attributeValue );
60             }
61
62             // XPath xpath = new Dom4jXPath(attributeValue);
63 Expression xpathExpr = super.createExpression( factory,
64                                                            tagScript,
65                                                            attributeName,
66                                                            attributeValue );
67
68             return new XPathExpression(attributeValue, xpathExpr, tagScript);
69         }
70
71         // will use the default expression instead
72 return super.createExpression(factory, tagScript, attributeName, attributeValue);
73     }
74 }
75
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