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 21 package org.jivesoftware.smack.filter; 22 23 import org.jivesoftware.smack.packet.Packet; 24 25 /** 26 * Filters for packets with a particular packet ID. 27 * 28 * @author Matt Tucker 29 */ 30 public class PacketIDFilter implements PacketFilter { 31 32 private String packetID; 33 34 /** 35 * Creates a new packet ID filter using the specified packet ID. 36 * 37 * @param packetID the packet ID to filter for. 38 */ 39 public PacketIDFilter(String packetID) { 40 if (packetID == null) { 41 throw new IllegalArgumentException("Packet ID cannot be null."); 42 } 43 this.packetID = packetID; 44 } 45 46 public boolean accept(Packet packet) { 47 return packetID.equals(packet.getPacketID()); 48 } 49 50 public String toString() { 51 return "PacketIDFilter by id: " + packetID; 52 } 53 } 54