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/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright 2003-2004 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;
import org.jivesoftware.smack.packet.Packet;
/**
* Provides a mechanism to listen for packets that pass a specified filter.
* This allows event-style programming -- every time a new packet is found,
* the {@link #processPacket(Packet)} method will be called. This is the
* opposite approach to the functionality provided by a {@link PacketCollector}
* which lets you block while waiting for results.
*
* @see XMPPConnection#addPacketListener(PacketListener, org.jivesoftware.smack.filter.PacketFilter)
* @author Matt Tucker
*/
public interface PacketListener {
/**
* Process the next packet sent to this packet listener.<p>
*
* A single thread is responsible for invoking all listeners, so
* it's very important that implementations of this method not block
* for any extended period of time.
*
* @param packet the packet to process.
*/
public void processPacket(Packet packet);
}
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