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.portlet.chat.model;
24  
25  import com.liferay.portal.model.RequestWait;
26  import com.liferay.portal.model.ReverseAjax;
27  import com.liferay.portal.util.WebKeys;
28  
29  import java.util.Collection;
30  
31  import javax.servlet.http.HttpSession;
32  
33  import org.jivesoftware.smack.RosterListener;
34  
35  /**
36   * <a href="RosterUpdateListener.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Ming-Gih Lam
39   *
40   */
41  public class RosterUpdateListener implements RosterListener {
42  
43      public RosterUpdateListener(HttpSession ses) {
44          _ses = ses;
45      }
46  
47      public void entriesAdded(Collection packet) {
48      }
49  
50      public void entriesDeleted(Collection packet) {
51      }
52  
53      public void entriesUpdated(Collection packet) {
54      }
55  
56      public void presenceChanged(String id) {
57          ReverseAjax reverseAjax =
58              (ReverseAjax)_ses.getAttribute(WebKeys.REVERSE_AJAX);
59  
60          RequestWait reqWait = reverseAjax.getRequestWait();
61  
62          reverseAjax.setPendingChatRoster(true);
63  
64          if (reqWait != null) {
65              reqWait.notifyWait();
66          }
67      }
68  
69      private HttpSession _ses;
70  
71  }