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Java > Open Source Codes > com > caucho > jstl > ChooseTag


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.jstl;
30
31 import com.caucho.util.L10N;
32
33 import javax.servlet.jsp.JspException JavaDoc;
34 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
35
36 /**
37  * Tag representing an "choose" condition.
38  */
39 public class ChooseTag extends TagSupport JavaDoc {
40   private static L10N L = new L10N(ChooseTag.class);
41
42   private boolean isMatch;
43
44   /**
45    * Return true if a match has already occurred.
46    */
47   public boolean isMatch()
48   {
49     return isMatch;
50   }
51
52   /**
53    * Set true if a match has already occurred.
54    */
55   public void setMatch()
56   {
57     isMatch = true;
58   }
59
60   /**
61    * Process the tag.
62    */
63   public int doStartTag()
64     throws JspException JavaDoc
65   {
66     isMatch = false;
67
68     return EVAL_BODY_INCLUDE;
69   }
70 }
71
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