DCLanguage


1   /*
2    * DCLanguage.java
3    *
4    * Version: $Revision: 1.5 $
5    *
6    * Date: $Date: 2005/04/20 14:22:32 $
7    *
8    * Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
9    * Institute of Technology.  All rights reserved.
10   *
11   * Redistribution and use in source and binary forms, with or without
12   * modification, are permitted provided that the following conditions are
13   * met:
14   *
15   * - Redistributions of source code must retain the above copyright
16   * notice, this list of conditions and the following disclaimer.
17   *
18   * - Redistributions in binary form must reproduce the above copyright
19   * notice, this list of conditions and the following disclaimer in the
20   * documentation and/or other materials provided with the distribution.
21   *
22   * - Neither the name of the Hewlett-Packard Company nor the name of the
23   * Massachusetts Institute of Technology nor the names of their
24   * contributors may be used to endorse or promote products derived from
25   * this software without specific prior written permission.
26   *
27   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28   * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31   * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
32   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
33   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
34   * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
35   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36   * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37   * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
38   * DAMAGE.
39   */
40  package org.dspace.content;
41  
42  import java.util.Locale  ;
43  
44  /**
45   * Utility class for dealing with languages
46   * 
47   * @author Robert Tansley
48   * @version $Revision: 1.5 $
49   */
50  public class DCLanguage
51  {
52      /** The country code */
53      private String   country;
54  
55      /** The language code. Special values: "" and "other". */
56      private String   language;
57  
58      /**
59       * Construct a language object from a database entry
60       * 
61       * @param l
62       *            the language text from the database
63       */
64      public DCLanguage(String   l)
65      {
66          setLanguage(l);
67      }
68  
69      /**
70       * Write the language out to the database
71       * 
72       * @return the language in a form for writing to the DCValue table
73       */
74      public String   toString()
75      {
76          if (language.equals(""))
77          {
78              return "";
79          }
80          else if (country.equals(""))
81          {
82              return language;
83          }
84          else
85          {
86              return country + "_" + language;
87          }
88      }
89  
90      /**
91       * Set the language and country
92       * 
93       * @param l
94       *            The language and country code, e.g. "en_US" or "fr"
95       */
96      public void setLanguage(String   l)
97      {
98          if (l.equals("other"))
99          {
100             language = "other";
101             country = "";
102         }
103         else if (l.length() == 2)
104         {
105             language = l;
106             country = "";
107         }
108         else if (l.length() == 5)
109         {
110             language = l.substring(0, 2);
111             country = l.substring(3);
112         }
113         else
114         {
115             language = "";
116             country = "";
117         }
118     }
119 
120     /**
121      * Get the displayable name for this language
122      * 
123      * @return the displayable name
124      */
125     public String   getDisplayName()
126     {
127         Locale   locale;
128 
129         if (language.equals("other"))
130         {
131             return "(Other)";
132         }
133         else if (language.equals(""))
134         {
135             return "N/A";
136         }
137         else
138         {
139             locale = new Locale  (language, country);
140 
141             return locale.getDisplayName();
142         }
143     }
144 }
145
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