1 //////////////////////////////////////////////////////////////////////////////
2 // dexterIM - Instant Messaging Framework
3 // Copyright (C) 2003 Christoph Walcher
4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2 of the License, or
8 // (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 //////////////////////////////////////////////////////////////////////////////
19 package net.sf.dexterim.core;
20
21 import java.util.ArrayList;
22 import java.util.List;
23
24 import net.sf.dexterim.core.event.ConversationEvent;
25 import net.sf.dexterim.core.event.ConversationListener;
26
27 /***
28 *
29 * @author Christoph Walcher
30 */
31 public abstract class AbstractConversation implements Conversation {
32 private List listeners;
33
34 /*** Creates a new instance of AbstractConversation */
35 public AbstractConversation() {
36 listeners = new ArrayList();
37 }
38
39 public void addConversationListener(ConversationListener listener) {
40 listeners.add(listener);
41 }
42
43 public void removeConversationListener(ConversationListener listener) {
44 listeners.remove(listener);
45 }
46
47 protected void fireMessageReceived(ConversationEvent evt) {
48 java.util.Iterator listenerIter = listeners.iterator();
49
50 while (listenerIter.hasNext()) {
51 ((ConversationListener)listenerIter.next()).messageReceived(evt);
52 }
53 }
54 }