| PermissionCacheUtil.java |
1 /**
2 * Copyright (c) 2000-2008 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.security.permission;
24
25 import com.liferay.portal.kernel.cache.MultiVMPoolUtil;
26 import com.liferay.portal.kernel.cache.PortalCache;
27 import com.liferay.portal.kernel.util.StringMaker;
28 import com.liferay.portal.kernel.util.StringPool;
29
30 /**
31 * <a href="PermissionCacheUtil.java.html"><b><i>View Source</i></b></a>
32 *
33 * @author Charles May
34 * @author Michael Young
35 *
36 */
37 public class PermissionCacheUtil {
38
39 public static final String CACHE_NAME = PermissionCacheUtil.class.getName();
40
41 public static void clearCache() {
42 _cache.removeAll();
43 }
44
45 public static Boolean hasPermission(
46 long userId, long groupId, String name, String primKey,
47 String actionId) {
48
49 String key = _encodeKey(userId, groupId, name, primKey, actionId);
50
51 Boolean value = (Boolean)MultiVMPoolUtil.get(_cache, key);
52
53 return value;
54 }
55
56 public static Boolean putPermission(
57 long userId, long groupId, String name, String primKey, String actionId,
58 Boolean value) {
59
60 if (value != null) {
61 String key = _encodeKey(userId, groupId, name, primKey, actionId);
62
63 MultiVMPoolUtil.put(_cache, key, value);
64 }
65
66 return value;
67 }
68
69 private static String _encodeKey(
70 long userId, long groupId, String name, String primKey,
71 String actionId) {
72
73 StringMaker sm = new StringMaker();
74
75 sm.append(CACHE_NAME);
76 sm.append(StringPool.POUND);
77 sm.append(userId);
78 sm.append(StringPool.POUND);
79 sm.append(groupId);
80 sm.append(StringPool.POUND);
81 sm.append(name);
82 sm.append(StringPool.POUND);
83 sm.append(primKey);
84 sm.append(StringPool.POUND);
85 sm.append(actionId);
86
87 return sm.toString();
88 }
89
90 private static PortalCache _cache = MultiVMPoolUtil.getCache(CACHE_NAME);
91
92 }