1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   * 
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.service.UserLocalServiceUtil;
22  
23  /**
24   * <a href="DoAsUserThread.java.html"><b><i>View Source</i></b></a>
25   *
26   * @author Brian Wing Shun Chan
27   */
28  public abstract class DoAsUserThread extends Thread {
29  
30      public DoAsUserThread(long userId) {
31          _userId = userId;
32      }
33  
34      public boolean isSuccess() {
35          return _success;
36      }
37  
38      public void run() {
39          PermissionChecker permissionChecker = null;
40  
41          try {
42              PrincipalThreadLocal.setName(_userId);
43  
44              User user = UserLocalServiceUtil.getUserById(_userId);
45  
46              permissionChecker = PermissionCheckerFactory.create(user, true);
47  
48              PermissionThreadLocal.setPermissionChecker(permissionChecker);
49  
50              doRun();
51  
52              _success = true;
53          }
54          catch (Exception e) {
55              _log.error(e, e);
56          }
57          finally {
58              PrincipalThreadLocal.setName(null);
59              PermissionThreadLocal.setPermissionChecker(null);
60  
61              if (permissionChecker != null) {
62                  try {
63                      PermissionCheckerFactory.recycle(permissionChecker);
64                  }
65                  catch (Exception e) {
66                      _log.error(e, e);
67                  }
68              }
69          }
70      }
71  
72      protected abstract void doRun() throws Exception;
73  
74      private static Log _log = LogFactoryUtil.getLog(DoAsUserThread.class);
75  
76      private long _userId;
77      private boolean _success;
78  
79  }