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.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          try {
40              PrincipalThreadLocal.setName(_userId);
41  
42              User user = UserLocalServiceUtil.getUserById(_userId);
43  
44              PermissionChecker permissionChecker =
45                  PermissionCheckerFactoryUtil.create(user, true);
46  
47              PermissionThreadLocal.setPermissionChecker(permissionChecker);
48  
49              doRun();
50  
51              _success = true;
52          }
53          catch (Exception e) {
54              _log.error(e, e);
55          }
56          finally {
57              PrincipalThreadLocal.setName(null);
58              PermissionThreadLocal.setPermissionChecker(null);
59          }
60      }
61  
62      protected abstract void doRun() throws Exception;
63  
64      private static Log _log = LogFactoryUtil.getLog(DoAsUserThread.class);
65  
66      private long _userId;
67      private boolean _success;
68  
69  }