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Java > Open Source Codes > org > enhydra > barracuda > plankton > l10n > Localize


1 /*
2  * Copyright (C) 2003 Christian Cryder [christianc@granitepeaks.com]
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * $Id: Localize.java,v 1.2 2004/02/01 05:16:28 christianc Exp $
19  */
20 package org.enhydra.barracuda.plankton.l10n;
21
22 import java.io.*;
23 import java.util.*;
24 import javax.servlet.*;
25 import javax.servlet.http.*;
26
27 /**
28  * Simple localization utilities.
29  */
30 public class Localize {
31
32     private static String JavaDoc missingBundle = "[[Missing Bundle]]";
33     private static String JavaDoc missingKey = "[[Missing Key]]";
34     private static String JavaDoc missingData = "[[Missing Data]]";
35
36     /**
37      * Get data from a resource bundle. If the data is not available an
38      * appropriate error message is returned instead.
39      *
40      * @param rb the resource bundle
41      * @param key the key we are after
42      * @return the value in the resource bundle for the given key
43      */
44     public static String JavaDoc getString(ResourceBundle rb, String JavaDoc key) {
45
46         //eliminate the obvious
47 if (rb==null) return missingBundle;
48         if (key==null) return missingKey;
49
50         //get the string
51 String JavaDoc s = null;
52         try {
53             s = rb.getString(key);
54         } catch (MissingResourceException mre) {
55             mre.printStackTrace();
56         }
57
58         //sanity check on what we got back
59 if (s==null) s = missingData;
60
61         //now return it
62 return s.trim();
63     }
64
65 }
66
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