| LanguageResources.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.language;
24
25 import com.liferay.portal.kernel.util.StringPool;
26
27 import java.util.Locale;
28 import java.util.Map;
29 import java.util.concurrent.ConcurrentHashMap;
30
31 import org.apache.struts.util.MessageResources;
32
33 /**
34 * <a href="LanguageResources.java.html"><b><i>View Source</i></b></a>
35 *
36 * @author Brian Wing Shun Chan
37 *
38 */
39 public class LanguageResources {
40
41 public LanguageResources(MessageResources resources) {
42 _resources = resources;
43 _cache = new ConcurrentHashMap<String, ResourceValue>(10000);
44 }
45
46 public String getMessage(Locale locale, String key) {
47 String cacheKey = _getCacheKey(locale, key);
48
49 ResourceValue resourceValue = _cache.get(cacheKey);
50
51 if (resourceValue == null) {
52 String value = _resources.getMessage(locale, key);
53
54 resourceValue = new ResourceValue(value);
55
56 _cache.put(cacheKey, resourceValue);
57 }
58
59 return resourceValue.getValue();
60 }
61
62 private String _getCacheKey(Locale locale, String key) {
63 return String.valueOf(locale) + StringPool.POUND + key;
64 }
65
66 private class ResourceValue {
67
68 private ResourceValue(String value) {
69 _value = value;
70 }
71
72 public String getValue() {
73 return _value;
74 }
75
76 private String _value;
77
78 }
79
80 private Map<String, ResourceValue> _cache;
81 private MessageResources _resources;
82
83 }