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Added support for roster listeners.
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@1887 b35dd754-fafc-0310-a699-88a17e54d16e
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5ae662a257
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2 changed files with 121 additions and 4 deletions
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@ -68,17 +68,24 @@ public class Roster {
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private XMPPConnection connection;
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private Map groups;
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private List rosterListeners;
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// The roster is marked as initialized when at least a single roster packet
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// has been recieved and processed.
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boolean rosterInitialized = false;
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/**
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* Creates a new roster.
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*
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* @param connection an XMPP connection.
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*/
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Roster(final XMPPConnection connection) {
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this.connection = connection;
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groups = new HashMap();
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rosterListeners = new ArrayList();
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// Listen for any roster packets.
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PacketFilter filter = new PacketTypeFilter(RosterPacket.class);
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PacketListener rosterListener = new RosterListener();
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connection.addPacketListener(rosterListener, filter);
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PacketListener rosterPacketListener = new RosterPacketListener();
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connection.addPacketListener(rosterPacketListener, filter);
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}
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/**
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@ -90,6 +97,32 @@ public class Roster {
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connection.sendPacket(new RosterPacket());
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}
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/**
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* Adds a listener to this roster. The listener will be fired anytime one or more
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* changes to the roster are pushed from the server.
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*
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* @param rosterListener a roster listener.
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*/
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public void addRosterListner(RosterListener rosterListener) {
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synchronized (rosterListeners) {
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if (!rosterListeners.contains(rosterListener)) {
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rosterListeners.add(rosterListener);
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}
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}
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}
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/**
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* Removes a listener from this roster. The listener will be fired anytime one or more
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* changes to the roster are pushed from the server.
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*
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* @param rosterListener a roster listener.
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*/
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public void removeRosterListener(RosterListener rosterListener) {
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synchronized (rosterListeners) {
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rosterListeners.remove(rosterListener);
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}
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}
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/**
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* Creates a new group.
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*
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@ -157,10 +190,24 @@ public class Roster {
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}
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}
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/**
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* Fires roster listeners.
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*/
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private void fireRosterListeners() {
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RosterListener [] listeners = null;
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synchronized (rosterListeners) {
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listeners = new RosterListener[rosterListeners.size()];
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rosterListeners.toArray(listeners);
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}
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for (int i=0; i<listeners.length; i++) {
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listeners[i].rosterModified();
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}
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}
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/**
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* Listens for all roster packets and processes them.
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*/
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private class RosterListener implements PacketListener {
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private class RosterPacketListener implements PacketListener {
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public void processPacket(Packet packet) {
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RosterPacket rosterPacket = (RosterPacket)packet;
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@ -209,8 +256,11 @@ public class Roster {
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}
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}
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// Fire event for roster listeners.
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fireRosterListeners();
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// Mark the roster as initialized.
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rosterInitialized = true;
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}
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}
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}
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}
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67
source/org/jivesoftware/smack/RosterListener.java
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67
source/org/jivesoftware/smack/RosterListener.java
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@ -0,0 +1,67 @@
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/**
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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.smack;
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/**
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*
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* @author Matt Tucker
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*/
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public interface RosterListener {
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/**
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* Called when the roster is modified.
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*/
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public void rosterModified();
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}
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