1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.security.permission;
16  
17  import com.liferay.portal.kernel.log.Log;
18  import com.liferay.portal.kernel.log.LogFactoryUtil;
19  import com.liferay.portal.model.User;
20  import com.liferay.portal.security.auth.PrincipalThreadLocal;
21  import com.liferay.portal.util.PropsValues;
22  
23  /**
24   * <a href="PermissionCheckerUtil.java.html"><b><i>View Source</i></b></a>
25   *
26   * @author Brian Wing Shun Chan
27   */
28  public class PermissionCheckerUtil {
29  
30      public static void setThreadValues(User user) {
31          if (user == null) {
32              PrincipalThreadLocal.setName(null);
33              PermissionThreadLocal.setPermissionChecker(null);
34  
35              return;
36          }
37  
38          long userId = user.getUserId();
39  
40          String name = String.valueOf(userId);
41  
42          PrincipalThreadLocal.setName(name);
43  
44          try {
45              PermissionChecker permissionChecker =
46                  PermissionThreadLocal.getPermissionChecker();
47  
48              if (permissionChecker == null) {
49                  permissionChecker = (PermissionChecker)Class.forName(
50                      PropsValues.PERMISSIONS_CHECKER).newInstance();
51              }
52  
53              permissionChecker.init(user, _CHECK_GUEST);
54  
55              PermissionThreadLocal.setPermissionChecker(permissionChecker);
56          }
57          catch (Exception e) {
58              _log.error(e);
59          }
60      }
61  
62      private static boolean _CHECK_GUEST = true;
63  
64      private static Log _log = LogFactoryUtil.getLog(
65          PermissionCheckerUtil.class);
66  
67  }