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.Iterator;
22
23 import net.sf.dexterim.core.event.ConnectionEvent;
24 import net.sf.dexterim.core.event.ConnectionListener;
25
26 /***
27 *
28 * @author Christoph Walcher
29 */
30 public abstract class AbstractIMConnection implements IMConnection {
31 private java.util.List listeners;
32
33 /***
34 * Creates a new instance of AbstractConnection
35 */
36 public AbstractIMConnection() {
37 listeners = new java.util.ArrayList();
38 }
39
40 public void addConnectionListener(ConnectionListener listener) {
41 listeners.add(listener);
42 }
43
44 public void removeConnectionListener(ConnectionListener listener) {
45 listeners.remove(listener);
46 }
47
48 protected void fireConversationCreated(Conversation conversation) {
49 ConnectionEvent evt = null;
50
51 for (Iterator iter = listeners.iterator(); iter.hasNext();) {
52 if (evt == null) {
53 evt = new ConnectionEvent(this, conversation);
54 }
55
56 ((ConnectionListener) iter.next()).conversationCreated(evt);
57 }
58 }
59 }