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.service.impl;
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  import com.liferay.portlet.PortletPreferencesImpl;
29  
30  import java.util.Map;
31  import java.util.concurrent.ConcurrentHashMap;
32  
33  /**
34   * <a href="PortletPreferencesLocalUtil.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   * @author Michael Young
38   *
39   */
40  public class PortletPreferencesLocalUtil {
41  
42      public static final String CACHE_NAME =
43          PortletPreferencesLocalUtil.class.getName();
44  
45      protected static void clearPreferencesPool() {
46          _cache.removeAll();
47      }
48  
49      protected static void clearPreferencesPool(long ownerId, int ownerType) {
50          String key = _encodeKey(ownerId, ownerType);
51  
52          _cache.remove(key);
53      }
54  
55      protected static Map<String, PortletPreferencesImpl> getPreferencesPool(
56              long ownerId, int ownerType) {
57          String key = _encodeKey(ownerId, ownerType);
58  
59          Map<String, PortletPreferencesImpl> preferencesPool =
60              (Map<String, PortletPreferencesImpl>)MultiVMPoolUtil.get(
61                  _cache, key);
62  
63          if (preferencesPool == null) {
64              preferencesPool =
65                  new ConcurrentHashMap<String, PortletPreferencesImpl>();
66  
67              MultiVMPoolUtil.put(_cache, key, preferencesPool);
68          }
69  
70          return preferencesPool;
71      }
72  
73      private static String _encodeKey(long ownerId, int ownerType) {
74          StringBuilder sb = new StringBuilder();
75  
76          sb.append(CACHE_NAME);
77          sb.append(StringPool.POUND);
78          sb.append(ownerId);
79          sb.append(StringPool.POUND);
80          sb.append(ownerType);
81  
82          return sb.toString();
83      }
84  
85      private static PortalCache _cache = MultiVMPoolUtil.getCache(CACHE_NAME);
86  
87  }