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Java > Open Source Codes > org > apache > taglibs > xtags > xpath > ChooseTag


1 /*
2  * Copyright 1999,2004 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
17 package org.apache.taglibs.xtags.xpath;
18
19 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
20
21 /** Behaves like the equivalent XSLT tag.
22   *
23   * @author James Strachan
24   * @version $Revision: 1.3 $
25   */
26 public class ChooseTag extends TagSupport JavaDoc {
27     
28     private boolean evaluated;
29     
30     public ChooseTag() {
31     }
32
33     /** @return true if a when or otherwise block has been evaluted
34       */
35     public boolean isEvaluated() {
36         return evaluated;
37     }
38     
39     /** Called when an when or otherwise block has been evaluted
40       */
41     public void setEvaluated(boolean evaluated) {
42         this.evaluated = evaluated;
43     }
44     
45     // BodyTag interface
46 //-------------------------------------------------------------------------
47 public int doStartTag() {
48         evaluated = false;
49         return EVAL_BODY_INCLUDE;
50     }
51 }
52
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