1   /**
2    * Copyright (c) 2000-2009 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   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.security.permission;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  import com.liferay.portal.model.User;
25  import com.liferay.portal.security.auth.PrincipalThreadLocal;
26  import com.liferay.portal.service.UserLocalServiceUtil;
27  
28  /**
29   * <a href="DoAsUserThread.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   *
33   */
34  public abstract class DoAsUserThread extends Thread {
35  
36      public DoAsUserThread(long userId) {
37          _userId = userId;
38      }
39  
40      public boolean isSuccess() {
41          return _success;
42      }
43  
44      public void run() {
45          PermissionChecker permissionChecker = null;
46  
47          try {
48              PrincipalThreadLocal.setName(_userId);
49  
50              User user = UserLocalServiceUtil.getUserById(_userId);
51  
52              permissionChecker = PermissionCheckerFactory.create(user, true);
53  
54              PermissionThreadLocal.setPermissionChecker(permissionChecker);
55  
56              doRun();
57  
58              _success = true;
59          }
60          catch (Exception e) {
61              _log.error(e, e);
62          }
63          finally {
64              if (permissionChecker != null) {
65                  try {
66                      PermissionCheckerFactory.recycle(permissionChecker);
67                  }
68                  catch (Exception e) {
69                      _log.error(e, e);
70                  }
71              }
72          }
73      }
74  
75      protected abstract void doRun() throws Exception;
76  
77      private static Log _log = LogFactoryUtil.getLog(DoAsUserThread.class);
78  
79      private long _userId;
80      private boolean _success;
81  
82  }