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https://codeberg.org/Mercury-IM/Smack
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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2067 b35dd754-fafc-0310-a699-88a17e54d16e
209 lines
No EOL
7.8 KiB
Java
209 lines
No EOL
7.8 KiB
Java
/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright (C) 2002-2003 Jive Software. All rights reserved.
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* ====================================================================
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* The Jive Software License (based on Apache Software License, Version 1.1)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by
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* Jive Software (http://www.jivesoftware.com)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Smack" and "Jive Software" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please
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* contact webmaster@jivesoftware.com.
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*
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* 5. Products derived from this software may not be called "Smack",
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* nor may "Smack" appear in their name, without prior written
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* permission of Jive Software.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*/
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package org.jivesoftware.smackx;
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import java.util.*;
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import org.jivesoftware.smack.*;
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import org.jivesoftware.smack.filter.*;
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import org.jivesoftware.smack.packet.*;
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import org.jivesoftware.smackx.packet.RosterExchange;
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/**
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*
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* Manages Roster exchanges. A RosterExchangeManager provides a high level access to send
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* rosters, roster groups and roster entries to XMPP clients. It also provides an easy way
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* to hook up custom logic when entries are received from another XMPP client through
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* RosterExchangeListeners.
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*
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* @author Gaston Dombiak
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*/
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public class RosterExchangeManager {
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private List rosterExchangeListeners = new ArrayList();
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private XMPPConnection con;
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private PacketFilter packetFilter = new PacketExtensionFilter("x", "jabber:x:roster");
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private PacketListener packetListener;
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/**
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* Creates a new roster exchange manager.
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*
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* @param con an XMPPConnection.
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*/
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public RosterExchangeManager(XMPPConnection con) {
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this.con = con;
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init();
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}
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/**
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* Adds a listener to roster exchanges. The listener will be fired anytime roster entries
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* are received from remote XMPP clients.
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*
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* @param rosterExchangeListener a roster exchange listener.
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*/
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public void addRosterListener(RosterExchangeListener rosterExchangeListener) {
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synchronized (rosterExchangeListeners) {
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if (!rosterExchangeListeners.contains(rosterExchangeListener)) {
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rosterExchangeListeners.add(rosterExchangeListener);
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}
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}
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}
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/**
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* Removes a listener from roster exchanges. The listener will be fired anytime roster
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* entries are received from remote XMPP clients.
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*
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* @param rosterExchangeListener a roster exchange listener..
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*/
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public void removeRosterListener(RosterExchangeListener rosterExchangeListener) {
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synchronized (rosterExchangeListeners) {
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rosterExchangeListeners.remove(rosterExchangeListener);
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}
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}
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/**
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* Sends a roster to userID. All the entries of the roster will be sent to the
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* target user.
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*
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* @param roster the roster to send
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* @param targetUserID the user that will receive the roster entries
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*/
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public void send(Roster roster, String targetUserID) {
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// Create a new message to send the roster
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Message msg = new Message(targetUserID);
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// Create a RosterExchange Package and add it to the message
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RosterExchange rosterExchange = new RosterExchange(roster);
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msg.addExtension(rosterExchange);
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// Send the message that contains the roster
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con.sendPacket(msg);
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}
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/**
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* Sends a roster entry to userID.
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*
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* @param rosterEntry the roster entry to send
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* @param targetUserID the user that will receive the roster entries
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*/
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public void send(RosterEntry rosterEntry, String targetUserID) {
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// Create a new message to send the roster
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Message msg = new Message(targetUserID);
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// Create a RosterExchange Package and add it to the message
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RosterExchange rosterExchange = new RosterExchange();
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rosterExchange.addRosterEntry(rosterEntry);
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msg.addExtension(rosterExchange);
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// Send the message that contains the roster
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con.sendPacket(msg);
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}
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/**
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* Sends a roster group to userID. All the entries of the group will be sent to the
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* target user.
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*
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* @param rosterGroup the roster group to send
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* @param targetUserID the user that will receive the roster entries
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*/
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public void send(RosterGroup rosterGroup, String targetUserID) {
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// Create a new message to send the roster
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Message msg = new Message(targetUserID);
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// Create a RosterExchange Package and add it to the message
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RosterExchange rosterExchange = new RosterExchange();
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for (Iterator it = rosterGroup.getEntries(); it.hasNext();)
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rosterExchange.addRosterEntry((RosterEntry) it.next());
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msg.addExtension(rosterExchange);
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// Send the message that contains the roster
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con.sendPacket(msg);
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}
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/**
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* Fires roster exchange listeners.
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*/
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private void fireRosterExchangeListeners(String from, Iterator remoteRosterEntries) {
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RosterExchangeListener[] listeners = null;
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synchronized (rosterExchangeListeners) {
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listeners = new RosterExchangeListener[rosterExchangeListeners.size()];
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rosterExchangeListeners.toArray(listeners);
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}
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for (int i = 0; i < listeners.length; i++) {
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listeners[i].entriesReceived(from, remoteRosterEntries);
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}
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}
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private void init() {
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// Listens for all roster exchange packets and fire the roster exchange listeners.
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packetListener = new PacketListener() {
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public void processPacket(Packet packet) {
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Message message = (Message) packet;
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RosterExchange rosterExchange =
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(RosterExchange) message.getExtension("x", "jabber:x:roster");
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// Fire event for roster exchange listeners
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fireRosterExchangeListeners(message.getFrom(), rosterExchange.getRosterEntries());
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};
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};
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con.addPacketListener(packetListener, packetFilter);
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}
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public void destroy() {
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if (con != null)
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con.removePacketListener(packetListener);
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}
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public void finalize() {
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destroy();
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}
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} |