| /** |
| * $RCSfile$ |
| * $Revision$ |
| * $Date$ |
| * |
| * Copyright 2003-2007 Jive Software. |
| * |
| * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.jivesoftware.smack.filter; |
| |
| import org.jivesoftware.smack.packet.Packet; |
| |
| /** |
| * Filters for packets of a particular type. The type is given as a Class object, so |
| * example types would: |
| * <ul> |
| * <li><tt>Message.class</tt> |
| * <li><tt>IQ.class</tt> |
| * <li><tt>Presence.class</tt> |
| * </ul> |
| * |
| * @author Matt Tucker |
| */ |
| public class PacketTypeFilter implements PacketFilter { |
| |
| Class<? extends Packet> packetType; |
| |
| /** |
| * Creates a new packet type filter that will filter for packets that are the |
| * same type as <tt>packetType</tt>. |
| * |
| * @param packetType the Class type. |
| */ |
| public PacketTypeFilter(Class<? extends Packet> packetType) { |
| // Ensure the packet type is a sub-class of Packet. |
| if (!Packet.class.isAssignableFrom(packetType)) { |
| throw new IllegalArgumentException("Packet type must be a sub-class of Packet."); |
| } |
| this.packetType = packetType; |
| } |
| |
| public boolean accept(Packet packet) { |
| return packetType.isInstance(packet); |
| } |
| |
| public String toString() { |
| return "PacketTypeFilter: " + packetType.getName(); |
| } |
| } |