01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portal.util;
22:
23: import com.liferay.util.CollectionFactory;
24:
25: import java.util.Map;
26:
27: /**
28: * <a href="WebAppPool.java.html"><b><i>View Source</i></b></a>
29: *
30: * @author Brian Wing Shun Chan
31: *
32: */
33: public class WebAppPool {
34:
35: public static Object get(String webAppId, String key) {
36: return _instance._get(webAppId, key);
37: }
38:
39: public static void put(String webAppId, String key, Object obj) {
40: _instance._put(webAppId, key, obj);
41: }
42:
43: public static Object remove(String webAppId, String key) {
44: return _instance._remove(webAppId, key);
45: }
46:
47: private WebAppPool() {
48: _webAppPool = CollectionFactory.getSyncHashMap();
49: }
50:
51: private Object _get(String webAppId, String key) {
52: Map map = (Map) _webAppPool.get(webAppId);
53:
54: if (map == null) {
55: return null;
56: } else {
57: return map.get(key);
58: }
59: }
60:
61: private void _put(String webAppId, String key, Object obj) {
62: Map map = (Map) _webAppPool.get(webAppId);
63:
64: if (map == null) {
65: map = CollectionFactory.getSyncHashMap();
66:
67: _webAppPool.put(webAppId, map);
68: }
69:
70: map.put(key, obj);
71: }
72:
73: private Object _remove(String webAppId, String key) {
74: Map map = (Map) _webAppPool.get(webAppId);
75:
76: if (map == null) {
77: return null;
78: } else {
79: return map.remove(key);
80: }
81: }
82:
83: private static WebAppPool _instance = new WebAppPool();
84:
85: private Map _webAppPool;
86:
87: }
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