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 attributeName,
53          String 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  }