MessageFilterReader


1   /* ***** BEGIN LICENSE BLOCK *****
2    * Version: MPL 1.1
3    * The contents of this file are subject to the Mozilla Public License Version
4    * 1.1 (the "License"); you may not use this file except in compliance with
5    * the License. You may obtain a copy of the License at
6    * http://www.mozilla.org/MPL/
7    * 
8    * Software distributed under the License is distributed on an "AS IS" basis,
9    * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10   * for the specific language governing rights and limitations under the
11   * License.
12   * 
13   * The Original Code is Riot.
14   * 
15   * The Initial Developer of the Original Code is
16   * Neteye GmbH.
17   * Portions created by the Initial Developer are Copyright (C) 2006
18   * the Initial Developer. All Rights Reserved.
19   * 
20   * Contributor(s):
21   *   Felix Gnass [fgnass at neteye dot de]
22   * 
23   * ***** END LICENSE BLOCK ***** */
24  package org.riotfamily.common.io;
25  
26  import java.io.Reader  ;
27  import java.util.Locale  ;
28  
29  import org.springframework.context.MessageSource;
30  
31  public class MessageFilterReader extends AbstractTokenFilterReader {
32  
33      private MessageSource messageSource;
34      
35      private String   prefix;
36      
37      private Locale   locale;
38      
39      public MessageFilterReader(Reader   in, MessageSource messageSource, 
40              Locale   locale) {
41          
42          this (in, messageSource, locale, null);
43      }
44      
45      public MessageFilterReader(Reader   in, MessageSource messageSource, 
46              Locale   locale, String   prefix) {
47          
48          super(in);
49          this.messageSource = messageSource;
50          this.locale = locale;
51          this.prefix = prefix;
52      }
53  
54      public void setPrefix(String   prefix) {
55          this.prefix = prefix;
56      }
57  
58      protected String   getReplacement(String   key) {
59          if (prefix != null) {
60              key = prefix + key;
61          }
62          return messageSource.getMessage(key, null, key, locale);
63      }
64  }
65
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