91 lines
3.4 KiB
Java
91 lines
3.4 KiB
Java
/**
|
|
* $RCSfile$
|
|
* $Revision$
|
|
* $Date$
|
|
*
|
|
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
|
|
* ====================================================================
|
|
* The Jive Software License (based on Apache Software License, Version 1.1)
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. The end-user documentation included with the redistribution,
|
|
* if any, must include the following acknowledgment:
|
|
* "This product includes software developed by
|
|
* Jive Software (http://www.jivesoftware.com)."
|
|
* Alternately, this acknowledgment may appear in the software itself,
|
|
* if and wherever such third-party acknowledgments normally appear.
|
|
*
|
|
* 4. The names "Smack" and "Jive Software" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please
|
|
* contact webmaster@coolservlets.com.
|
|
*
|
|
* 5. Products derived from this software may not be called "Smack",
|
|
* nor may "Smack" appear in their name, without prior written
|
|
* permission of Jive Software.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
* ====================================================================
|
|
*/
|
|
|
|
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 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 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);
|
|
}
|
|
|
|
}
|