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Java > Open Source Codes > org > jivesoftware > smack > filter > MessageTypeFilter


1 /**
2  * $RCSfile$
3  * $Revision: 2408 $
4  * $Date: 2004-11-02 20:53:30 -0300 (Tue, 02 Nov 2004) $
5  *
6  * Copyright 2003-2004 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
21 package org.jivesoftware.smack.filter;
22
23 import org.jivesoftware.smack.packet.Message;
24 import 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  */
32 public 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
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