org.jivesoftware.smack.PacketInterceptor Maven / Gradle / Ivy
/**
* $Revision: 2408 $
* $Date: 2004-11-02 20:53:30 -0300 (Tue, 02 Nov 2004) $
*
* Copyright 2003-2005 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 intercept and modify packets that are going to be
* sent to the server. PacketInterceptors are added to the {@link XMPPConnection}
* together with a {@link org.jivesoftware.smack.filter.PacketFilter} so that only
* certain packets are intercepted and processed by the interceptor.
*
* This allows event-style programming -- every time a new packet is found,
* the {@link #interceptPacket(Packet)} method will be called.
*
* @see XMPPConnection#addPacketWriterInterceptor(PacketInterceptor, org.jivesoftware.smack.filter.PacketFilter)
* @author Gaston Dombiak
*/
public interface PacketInterceptor {
/**
* Process the packet that is about to be sent to the server. The intercepted
* packet can be modified by the interceptor.
*
* Interceptors are invoked using the same thread that requested the packet
* to be sent, so it's very important that implementations of this method
* not block for any extended period of time.
*
* @param packet the packet to is going to be sent to the server.
*/
public void interceptPacket(Packet packet);
}