1 /*
2  * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 /*
24  *
25  */
26 package com.foobar;
27 import java.util.*;
28 
29 public class Utils {
supportsLocale(Locale supported, Locale requested)30     public static boolean supportsLocale(Locale supported, Locale requested) {
31         if (supported.getLanguage() == "") {
32             return true;
33         } else if (supported.getLanguage() != requested.getLanguage()) {
34             return false;
35         }
36 
37         if (supported.getCountry() == "") {
38             return true;
39         } else if (supported.getCountry() != requested.getCountry()) {
40             return false;
41         }
42 
43         String supVar = supported.getVariant();
44         String reqVar = requested.getVariant();
45 
46         if (supVar == "") {
47             return true;
48         } else {
49             int underIndex;
50             while ((underIndex = reqVar.lastIndexOf('_')) != (-1)) {
51                 reqVar = reqVar.substring(0, underIndex);
52                 if (supVar.equals(reqVar)) {
53                     return true;
54                 }
55             }
56             return supVar.equals(reqVar);
57         }
58     }
59 
supportsLocale(List<Locale> supported, Locale requested)60     public static boolean supportsLocale(List<Locale> supported, Locale requested) {
61         for (Locale l : supported) {
62             if (supportsLocale(l, requested)) {
63                 return true;
64             }
65         }
66         return false;
67     }
68 }
69