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.oscar.io;
20
21 import net.sf.dexterim.oscar.entity.DWord;
22 import net.sf.dexterim.oscar.entity.Flap;
23 import net.sf.dexterim.oscar.server.Response;
24 import net.sf.dexterim.oscar.server.WelcomeResponse;
25
26 /***
27 * @author christoph
28 */
29 public class ConnectionNegotiationParser implements MessageParser {
30
31 /* (non-Javadoc)
32 * @see net.sf.dexterim.oscar.io.MessageParser#parse(net.sf.dexterim.oscar.io.Flap)
33 */
34 public Response parse(Flap flap) {
35
36 if (flap.getLength() == 4) {
37 byte welcomeArray[] = new byte[flap.getLength()];
38 System.arraycopy(flap.getData(), 0, welcomeArray, 0, welcomeArray.length);
39
40 DWord welcomeId = new DWord(welcomeArray);
41
42 if (welcomeId.getValue() == 0x0001) {
43 return new WelcomeResponse();
44 }
45 }
46
47 return null;
48 }
49 }