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}