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 java.util.HashMap;
22 import java.util.Map;
23
24 import net.sf.dexterim.oscar.entity.Flap;
25 import net.sf.dexterim.oscar.server.Response;
26
27 /***
28 * @author christoph
29 */
30 public class ReceiptParser implements MessageParser {
31
32 private Map delegates;
33 private static ReceiptParser instance;
34
35 private ReceiptParser() {
36 delegates = new HashMap();
37 }
38
39 public void register(int channel, MessageParser parser) {
40 delegates.put(new Integer(channel), parser);
41 }
42
43 public Response parse(Flap flap) throws ParserException {
44 MessageParser parser = (MessageParser)delegates.get(new Integer(flap
45 .getChannel()));
46
47 if (parser == null) {
48 throw new ParserException("No suitable parser found for Channel "
49 + flap.getChannel());
50 }
51
52 return parser.parse(flap);
53 }
54
55 public static ReceiptParser getInstance() {
56 if (instance == null) {
57 instance = new ReceiptParser();
58 }
59
60 return instance;
61 }
62 }