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


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.fmt.LocalizationContext;
36 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
37
38 /**
39  * Sets the i18n localization bundle for the current page.
40  */
41 public class SetBundleTag extends TagSupport JavaDoc {
42   private static L10N L = new L10N(SetBundleTag.class);
43   
44   private String JavaDoc _basename;
45   private String JavaDoc _var = "javax.servlet.jsp.jstl.fmt.localizationContext";
46   private String JavaDoc _scope;
47
48   /**
49    * Sets the basename.
50    */
51   public void setBasename(String JavaDoc basename)
52   {
53     _basename = basename;
54   }
55
56   /**
57    * Sets variable to store the bundle.
58    */
59   public void setVar(String JavaDoc var)
60   {
61     _var = var;
62   }
63
64   /**
65    * Sets the scope to store the bundle.
66    */
67   public void setScope(String JavaDoc scope)
68   {
69     _scope = scope;
70   }
71
72   /**
73    * Process the tag.
74    */
75   public int doStartTag()
76     throws JspException JavaDoc
77   {
78     PageContextImpl pc = (PageContextImpl) pageContext;
79
80     LocalizationContext bundle = pc.getBundle(_basename);
81
82     if (_scope == null || _scope.equals("") || _scope.equals("page"))
83       pc.setAttribute(_var, bundle);
84     else if (_scope.equals("request"))
85       pc.getRequest().setAttribute(_var, bundle);
86     else if (_scope.equals("session"))
87       pc.getSession().setAttribute(_var, bundle);
88     else if (_scope.equals("application"))
89       pc.getServletContext().setAttribute(_var, bundle);
90     else
91       throw new JspException JavaDoc(L.l("unknown scope `{0}' in fmt:setBundle",
92                                  _scope));
93
94     return SKIP_BODY;
95   }
96 }
97
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