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.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.StringPool;
28  
29  /**
30   * <a href="PermissionCacheUtil.java.html"><b><i>View Source</i></b></a>
31   *
32   * @author Charles May
33   * @author Michael Young
34   *
35   */
36  public class PermissionCacheUtil {
37  
38      public static final String CACHE_NAME = PermissionCacheUtil.class.getName();
39  
40      public static void clearCache() {
41          _cache.removeAll();
42      }
43  
44      public static PermissionCheckerBag getBag(long userId, long groupId) {
45          String key = _encodeKey(userId, groupId);
46  
47          return (PermissionCheckerBag)MultiVMPoolUtil.get(_cache, key);
48      }
49  
50      public static Boolean getPermission(
51          long userId, long groupId, String name, String primKey,
52          String actionId) {
53  
54          String key = _encodeKey(userId, groupId, name, primKey, actionId);
55  
56          return (Boolean)MultiVMPoolUtil.get(_cache, key);
57      }
58  
59      public static PermissionCheckerBag putBag(
60          long userId, long groupId, PermissionCheckerBag bag) {
61  
62          if (bag != null) {
63              String key = _encodeKey(userId, groupId);
64  
65              MultiVMPoolUtil.put(_cache, key, bag);
66          }
67  
68          return bag;
69      }
70  
71      public static Boolean putPermission(
72          long userId, long groupId, String name, String primKey, String actionId,
73          Boolean value) {
74  
75          if (value != null) {
76              String key = _encodeKey(userId, groupId, name, primKey, actionId);
77  
78              MultiVMPoolUtil.put(_cache, key, value);
79          }
80  
81          return value;
82      }
83  
84      private static String _encodeKey(long userId, long groupId) {
85          StringBuilder sb = new StringBuilder();
86  
87          sb.append(CACHE_NAME);
88          sb.append(StringPool.POUND);
89          sb.append(userId);
90          sb.append(StringPool.POUND);
91          sb.append(groupId);
92  
93          return sb.toString();
94      }
95  
96      private static String _encodeKey(
97          long userId, long groupId, String name, String primKey,
98          String actionId) {
99  
100         StringBuilder sb = new StringBuilder();
101 
102         sb.append(CACHE_NAME);
103         sb.append(StringPool.POUND);
104         sb.append(userId);
105         sb.append(StringPool.POUND);
106         sb.append(groupId);
107         sb.append(StringPool.POUND);
108         sb.append(name);
109         sb.append(StringPool.POUND);
110         sb.append(primKey);
111         sb.append(StringPool.POUND);
112         sb.append(actionId);
113 
114         return sb.toString();
115     }
116 
117     private static PortalCache _cache = MultiVMPoolUtil.getCache(CACHE_NAME);
118 
119 }