001/**
002 *
003 * Copyright 2003-2007 Jive Software.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.jivesoftware.smack.filter;
019
020import org.jivesoftware.smack.packet.Message;
021import org.jivesoftware.smack.packet.Packet;
022
023/**
024 * Filters for packets of a specific type of Message (e.g. CHAT).
025 * 
026 * @see org.jivesoftware.smack.packet.Message.Type
027 * @author Ward Harold
028 */
029public class MessageTypeFilter implements PacketFilter {
030
031    private final Message.Type type;
032
033    /**
034     * Creates a new message type filter using the specified message type.
035     * 
036     * @param type the message type.
037     */
038    public MessageTypeFilter(Message.Type type) {
039        this.type = type;
040    }
041
042    public boolean accept(Packet packet) {
043        if (!(packet instanceof Message)) {
044            return false;
045        }
046        else {
047            return ((Message) packet).getType().equals(this.type);
048        }
049    }
050
051}