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Code Issues Releases Wiki Activity

Added support for roster listeners. 

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@1887 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Matt Tucker 2003-04-13 04:51:37 +00:00 committed by mtucker
parent 5ae662a257
commit cd28754b39
2 changed files with 121 additions and 4 deletions
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58
source/org/jivesoftware/smack/Roster.java
View File

@ -68,17 +68,24 @@ public class Roster {
private XMPPConnection connection;
private Map groups;
private List rosterListeners;
// The roster is marked as initialized when at least a single roster packet
// has been recieved and processed.
boolean rosterInitialized = false;
/**
* Creates a new roster.
*
* @param connection an XMPP connection.
*/
Roster(final XMPPConnection connection) {
this.connection = connection;
groups = new HashMap();
rosterListeners = new ArrayList();
// Listen for any roster packets.
PacketFilter filter = new PacketTypeFilter(RosterPacket.class);
PacketListener rosterListener = new RosterListener();
connection.addPacketListener(rosterListener, filter);
PacketListener rosterPacketListener = new RosterPacketListener();
connection.addPacketListener(rosterPacketListener, filter);
}
/**
@ -90,6 +97,32 @@ public class Roster {
connection.sendPacket(new RosterPacket());
}
/**
* Adds a listener to this roster. The listener will be fired anytime one or more
* changes to the roster are pushed from the server.
*
* @param rosterListener a roster listener.
*/
public void addRosterListner(RosterListener rosterListener) {
synchronized (rosterListeners) {
if (!rosterListeners.contains(rosterListener)) {
rosterListeners.add(rosterListener);
}
}
}
/**
* Removes a listener from this roster. The listener will be fired anytime one or more
* changes to the roster are pushed from the server.
*
* @param rosterListener a roster listener.
*/
public void removeRosterListener(RosterListener rosterListener) {
synchronized (rosterListeners) {
rosterListeners.remove(rosterListener);
}
}
/**
* Creates a new group.
*
@ -157,10 +190,24 @@ public class Roster {
}
}
/**
* Fires roster listeners.
*/
private void fireRosterListeners() {
RosterListener [] listeners = null;
synchronized (rosterListeners) {
listeners = new RosterListener[rosterListeners.size()];
rosterListeners.toArray(listeners);
}
for (int i=0; i<listeners.length; i++) {
listeners[i].rosterModified();
}
}
/**
* Listens for all roster packets and processes them.
*/
private class RosterListener implements PacketListener {
private class RosterPacketListener implements PacketListener {
public void processPacket(Packet packet) {
RosterPacket rosterPacket = (RosterPacket)packet;
@ -209,8 +256,11 @@ public class Roster {
}
}
// Fire event for roster listeners.
fireRosterListeners();
// Mark the roster as initialized.
rosterInitialized = true;
}
}
}
}

67
source/org/jivesoftware/smack/RosterListener.java Normal file
View File

@ -0,0 +1,67 @@
/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* Jive Software (http://www.jivesoftware.com)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
* nor may "Smack" appear in their name, without prior written
* permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
package org.jivesoftware.smack;
/**
*
* @author Matt Tucker
*/
public interface RosterListener {
/**
* Called when the roster is modified.
*/
public void rosterModified();
}