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Java > Open Source Codes > com > caucho > jstl > rt > FmtRequestEncodingTag


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.rt;
30
31 import com.caucho.jsp.PageContextImpl;
32 import com.caucho.util.L10N;
33
34 import javax.servlet.http.HttpServletRequest JavaDoc;
35 import javax.servlet.jsp.JspException JavaDoc;
36 import javax.servlet.jsp.jstl.core.Config;
37 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
38 import java.io.UnsupportedEncodingException JavaDoc;
39
40 /**
41  * Sets the i18n locale bundle for the current page.
42  */
43 public class FmtRequestEncodingTag extends TagSupport JavaDoc {
44   private static L10N L = new L10N(FmtRequestEncodingTag.class);
45   
46   private String JavaDoc _value;
47
48   /**
49    * Sets the JSP-EL expression for the locale value.
50    */
51   public void setValue(String JavaDoc value)
52   {
53     _value = value;
54   }
55
56   /**
57    * Process the tag.
58    */
59   public int doStartTag()
60     throws JspException JavaDoc
61   {
62     PageContextImpl pc = (PageContextImpl) pageContext;
63     HttpServletRequest JavaDoc request = (HttpServletRequest JavaDoc) pc.getRequest();
64
65     try {
66       String JavaDoc value = null;
67       if (_value != null)
68         value = _value;
69       else
70         value = (String JavaDoc) Config.find(pageContext, "javax.servlet.jsp.jstl.fmt.request.charset");
71
72       if (value != null && ! value.equals(""))
73         request.setCharacterEncoding(value);
74     } catch (UnsupportedEncodingException JavaDoc e) {
75       throw new JspException JavaDoc(e);
76     }
77
78     return SKIP_BODY;
79   }
80 }
81
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