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/**
* $RCSfile$
* $Revision: 2779 $
* $Date: 2005-09-05 17:00:45 -0300 (Mon, 05 Sep 2005) $
*
* Copyright 2003-2006 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.smackx.muc;
import org.jivesoftware.smack.PacketListener;
import org.jivesoftware.smack.filter.MessageTypeFilter;
import org.jivesoftware.smack.filter.PacketExtensionFilter;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.filter.PacketTypeFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.Presence;
/**
* The single <code>PacketListener</code> used by each {@link MultiUserChat}
* for all basic processing of presence, and message packets targeted to that chat.
*
* @author Larry Kirschner
*/
class PacketMultiplexListener implements PacketListener {
private static final PacketFilter MESSAGE_FILTER =
new MessageTypeFilter(Message.Type.groupchat);
private static final PacketFilter PRESENCE_FILTER = new PacketTypeFilter(Presence.class);
private static final PacketFilter SUBJECT_FILTER = new PacketFilter() {
public boolean accept(Packet packet) {
Message msg = (Message) packet;
return msg.getSubject() != null;
}
};
private static final PacketFilter DECLINES_FILTER =
new PacketExtensionFilter("x",
"http://jabber.org/protocol/muc#user");
private ConnectionDetachedPacketCollector messageCollector;
private PacketListener presenceListener;
private PacketListener subjectListener;
private PacketListener declinesListener;
public PacketMultiplexListener(
ConnectionDetachedPacketCollector messageCollector,
PacketListener presenceListener,
PacketListener subjectListener, PacketListener declinesListener) {
if (messageCollector == null) {
throw new IllegalArgumentException("MessageCollector is null");
}
if (presenceListener == null) {
throw new IllegalArgumentException("Presence listener is null");
}
if (subjectListener == null) {
throw new IllegalArgumentException("Subject listener is null");
}
if (declinesListener == null) {
throw new IllegalArgumentException("Declines listener is null");
}
this.messageCollector = messageCollector;
this.presenceListener = presenceListener;
this.subjectListener = subjectListener;
this.declinesListener = declinesListener;
}
public void processPacket(Packet p) {
if (PRESENCE_FILTER.accept(p)) {
presenceListener.processPacket(p);
}
else if (MESSAGE_FILTER.accept(p)) {
messageCollector.processPacket(p);
if (SUBJECT_FILTER.accept(p)) {
subjectListener.processPacket(p);
}
}
else if (DECLINES_FILTER.accept(p)) {
declinesListener.processPacket(p);
}
}
}
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