1   /**
2    * Copyright (c) 2000-2008 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.model.User;
26  import com.liferay.portal.security.auth.PrincipalThreadLocal;
27  import com.liferay.portal.service.UserLocalServiceUtil;
28  
29  import org.apache.commons.logging.Log;
30  import org.apache.commons.logging.LogFactory;
31  
32  /**
33   * <a href="DoAsUserThread.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public abstract class DoAsUserThread extends Thread {
39  
40      public DoAsUserThread(long userId) {
41          _userId = userId;
42      }
43  
44      public boolean isSuccess() {
45          return _success;
46      }
47  
48      public void run() {
49          PermissionChecker permissionChecker = null;
50  
51          try {
52              PrincipalThreadLocal.setName(_userId);
53  
54              User user = UserLocalServiceUtil.getUserById(_userId);
55  
56              permissionChecker = PermissionCheckerFactory.create(user, true);
57  
58              PermissionThreadLocal.setPermissionChecker(permissionChecker);
59  
60              doRun();
61  
62              _success = true;
63          }
64          catch (Exception e) {
65              _log.error(e, e);
66          }
67          finally {
68              if (permissionChecker != null) {
69                  try {
70                      PermissionCheckerFactory.recycle(permissionChecker);
71                  }
72                  catch (Exception e) {
73                      _log.error(e, e);
74                  }
75              }
76          }
77      }
78  
79      protected abstract void doRun() throws Exception;
80  
81      private static Log _log = LogFactory.getLog(DoAsUserThread.class);
82  
83      private long _userId;
84      private boolean _success;
85  
86  }