1/**
2 * $RCSfile$
3 * $Revision$
4 * $Date$
5 *
6 * Copyright 2003-2007 Jive Software.
7 *
8 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 *     http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20
21package org.jivesoftware.smack.filter;
22
23import org.jivesoftware.smack.packet.Message;
24import org.jivesoftware.smack.packet.Packet;
25
26/**
27 * Filters for packets of a specific type of Message (e.g. CHAT).
28 *
29 * @see org.jivesoftware.smack.packet.Message.Type
30 * @author Ward Harold
31 */
32public class MessageTypeFilter implements PacketFilter {
33
34    private final Message.Type type;
35
36    /**
37     * Creates a new message type filter using the specified message type.
38     *
39     * @param type the message type.
40     */
41    public MessageTypeFilter(Message.Type type) {
42        this.type = type;
43    }
44
45    public boolean accept(Packet packet) {
46        if (!(packet instanceof Message)) {
47            return false;
48        }
49        else {
50            return ((Message) packet).getType().equals(this.type);
51        }
52    }
53
54}
55