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


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.jsp.JspException JavaDoc;
35 import javax.servlet.jsp.jstl.core.Config;
36 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
37 import java.util.Locale JavaDoc;
38
39 /**
40  * Sets the i18n locale bundle for the current page.
41  */
42 public class SetLocaleTag extends TagSupport JavaDoc {
43   private static L10N L = new L10N(SetBundleTag.class);
44   
45   private Object JavaDoc _value;
46   private String JavaDoc _variant;
47   private String JavaDoc _scope;
48
49   /**
50    * Sets the locale value.
51    */
52   public void setValue(Object JavaDoc value)
53   {
54     _value = value;
55   }
56
57   /**
58    * Sets the JSP-EL expression for the variant value.
59    */
60   public void setVariant(String JavaDoc variant)
61   {
62     _variant = variant;
63   }
64
65   /**
66    * Sets the scope to store the bundle.
67    */
68   public void setScope(String JavaDoc scope)
69   {
70     _scope = scope;
71   }
72
73   /**
74    * Process the tag.
75    */
76   public int doStartTag()
77     throws JspException JavaDoc
78   {
79     PageContextImpl pc = (PageContextImpl) pageContext;
80
81     Locale JavaDoc locale = null;
82
83     if (_value instanceof Locale JavaDoc) {
84       locale = (Locale JavaDoc) _value;
85     }
86     else if (_value instanceof String JavaDoc) {
87       locale = pc.getLocale((String JavaDoc) _value, _variant);
88     }
89
90     CoreSetTag.setValue(pc, Config.FMT_LOCALE, _scope, locale);
91
92     return SKIP_BODY;
93   }
94 }
95
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