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


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 import javax.servlet.jsp.tagext.TryCatchFinally JavaDoc;
36
37 public class CatchTag extends TagSupport JavaDoc implements TryCatchFinally JavaDoc {
38   private static L10N L = new L10N(CatchTag.class);
39
40   private String JavaDoc var;
41
42   /**
43    * Sets the variable to assign
44    */
45   public void setVar(String JavaDoc var)
46   {
47     this.var = var;
48   }
49
50   /**
51    * Process the tag.
52    */
53   public int doStartTag()
54     throws JspException JavaDoc
55   {
56     if (var != null)
57       pageContext.removeAttribute(var);
58
59     return EVAL_BODY_INCLUDE;
60   }
61
62   /**
63    * Process the catch.
64    */
65   public void doCatch(Throwable JavaDoc t)
66   {
67     if (var != null)
68       pageContext.setAttribute(var, t);
69   }
70
71   /**
72    * Process the catch.
73    */
74   public void doFinally()
75   {
76   }
77 }
78
79
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