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https://codeberg.org/Mercury-IM/Smack
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Adds room invitiation functionality
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2292 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Gaston Dombiak
gdombiak
parent
3b585ba345
commit
14e7ee4e90
1 changed files with 190 additions and 11 deletions
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@ -51,6 +51,7 @@
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*/
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package org.jivesoftware.smackx;
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import java.lang.ref.WeakReference;
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import java.util.*;
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import org.jivesoftware.smack.*;
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@ -209,7 +210,8 @@ public class MultiUserChat {
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// Send create & join packet.
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connection.sendPacket(joinPresence);
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// Wait up to a certain number of seconds for a reply.
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Presence presence = (Presence) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
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Presence presence =
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(Presence) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
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if (presence == null) {
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throw new XMPPException("No response from server.");
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}
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@ -483,11 +485,11 @@ public class MultiUserChat {
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reg.setType(IQ.Type.GET);
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reg.setTo(room);
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PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()),
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new PacketTypeFilter(IQ.class));
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PacketFilter filter =
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new AndFilter(new PacketIDFilter(reg.getPacketID()), new PacketTypeFilter(IQ.class));
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PacketCollector collector = connection.createPacketCollector(filter);
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connection.sendPacket(reg);
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IQ result = (IQ)collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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IQ result = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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collector.cancel();
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if (result == null) {
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throw new XMPPException("No response from server.");
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@ -518,11 +520,11 @@ public class MultiUserChat {
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reg.setTo(room);
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reg.addExtension(form.getDataFormToSend());
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PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()),
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new PacketTypeFilter(IQ.class));
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PacketFilter filter =
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new AndFilter(new PacketIDFilter(reg.getPacketID()), new PacketTypeFilter(IQ.class));
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PacketCollector collector = connection.createPacketCollector(filter);
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connection.sendPacket(reg);
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IQ result = (IQ)collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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IQ result = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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collector.cancel();
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if (result == null) {
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throw new XMPPException("No response from server.");
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@ -625,8 +627,26 @@ public class MultiUserChat {
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conn.sendPacket(message);
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}
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/**
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* Adds a listener to invitation notifications. The listener will be fired anytime
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* an invitation is received.
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*
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* @param conn the connection where the listener will be applied.
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* @param listener an invitation listener.
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*/
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public static void addInvitationListener(XMPPConnection conn, InvitationListener listener) {
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//TODO Implement the InvitationListener functionality
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InvitationsMonitor.getInvitationsMonitor(conn).addInvitationListener(listener);
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}
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/**
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* Removes a listener to invitation notifications. The listener will be fired anytime
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* an invitation is received.
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*
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* @param conn the connection where the listener was applied.
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* @param listener an invitation listener.
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*/
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public static void removeInvitationListener(XMPPConnection conn, InvitationListener listener) {
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InvitationsMonitor.getInvitationsMonitor(conn).removeInvitationListener(listener);
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}
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/**
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@ -935,4 +955,163 @@ public class MultiUserChat {
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connection.removePacketListener(declinesListener);
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}
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}
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/**
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* An InvitationsMonitor monitors a given connection to detect room invitations. Every
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* time the InvitationsMonitor detects a new invitation it will fire the invitation listeners.
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*
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* @author Gaston Dombiak
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*/
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private static class InvitationsMonitor implements ConnectionListener {
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// We use a WeakHashMap so that the GC can collect the monitor when the
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// connection is no longer referenced by any object.
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private static Map monitors = new WeakHashMap();
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private List invitationsListeners = new ArrayList();
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private XMPPConnection connection;
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private PacketFilter invitationFilter;
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private PacketListener invitationPacketListener;
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/**
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* Returns a new or existing InvitationsMonitor for a given connection.
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*
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* @param connection the connection to monitor for room invitations.
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* @return a new or existing InvitationsMonitor for a given connection.
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*/
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public static InvitationsMonitor getInvitationsMonitor(XMPPConnection conn) {
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synchronized (monitors) {
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if (!monitors.containsKey(conn)) {
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// We need to use a WeakReference because the monitor references the
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// connection and this could prevent the GC from collecting the monitor
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// when no other object references the monitor
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monitors.put(conn, new WeakReference(new InvitationsMonitor(conn)));
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}
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// Return the InvitationsMonitor that monitors the connection
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return (InvitationsMonitor) ((WeakReference) monitors.get(conn)).get();
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}
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}
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/**
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* Creates a new InvitationsMonitor that will monitor invitations received
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* on a given connection.
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*
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* @param connection the connection to monitor for possible room invitations
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*/
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private InvitationsMonitor(XMPPConnection connection) {
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this.connection = connection;
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}
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/**
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* Adds a listener to invitation notifications. The listener will be fired anytime
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* an invitation is received.<p>
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*
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* If this is the first monitor's listener then the monitor will be initialized in
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* order to start listening to room invitations.
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*
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* @param listener an invitation listener.
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*/
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public void addInvitationListener(InvitationListener listener) {
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synchronized (invitationsListeners) {
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// If this is the first monitor's listener then initialize the listeners
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// on the connection to detect room invitations
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if (invitationsListeners.size() == 0) {
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init();
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}
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if (!invitationsListeners.contains(listener)) {
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invitationsListeners.add(listener);
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}
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}
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}
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/**
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* Removes a listener to invitation notifications. The listener will be fired anytime
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* an invitation is received.<p>
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*
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* If there are no more listeners to notifiy for room invitations then the monitor will
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* be stopped. As soon as a new listener is added to the monitor, the monitor will resume
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* monitoring the connection for new room invitations.
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*
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* @param listener an invitation listener.
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*/
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public void removeInvitationListener(InvitationListener listener) {
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synchronized (invitationsListeners) {
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if (invitationsListeners.contains(listener)) {
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invitationsListeners.remove(listener);
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}
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// If there are no more listeners to notifiy for room invitations
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// then proceed to cancel/release this monitor
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if (invitationsListeners.size() == 0) {
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cancel();
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}
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}
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}
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/**
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* Fires invitation listeners.
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*/
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private void fireInvitationListeners(
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String room,
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String inviter,
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String reason,
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String password) {
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InvitationListener[] listeners = null;
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synchronized (invitationsListeners) {
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listeners = new InvitationListener[invitationsListeners.size()];
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invitationsListeners.toArray(listeners);
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}
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for (int i = 0; i < listeners.length; i++) {
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listeners[i].invitationReceived(connection, room, inviter, reason, password);
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}
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}
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public void connectionClosed() {
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cancel();
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}
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public void connectionClosedOnError(Exception e) {
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cancel();
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}
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/**
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* Initializes the listeners to detect received room invitations and to detect when the
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* connection gets closed. As soon as a room invitation is received the invitations
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* listeners will be fired. When the connection gets closed the monitor will remove
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* his listeners on the connection.
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*/
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private void init() {
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// Listens for all messages that include a MUCUser extension and fire the invitation
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// listeners if the message includes an invitation.
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invitationFilter =
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new PacketExtensionFilter("x", "http://jabber.org/protocol/muc#user");
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invitationPacketListener = new PacketListener() {
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public void processPacket(Packet packet) {
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// Get the MUCUser extension
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MUCUser mucUser =
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(MUCUser) packet.getExtension("x", "http://jabber.org/protocol/muc#user");
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// Check if the MUCUser extension includes an invitation
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if (mucUser.getInvite() != null) {
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// Fire event for invitation listeners
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fireInvitationListeners(
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packet.getFrom(),
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mucUser.getInvite().getFrom(),
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mucUser.getInvite().getReason(),
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mucUser.getPassword());
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}
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};
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};
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connection.addPacketListener(invitationPacketListener, invitationFilter);
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// Add a listener to detect when the connection gets closed in order to
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// cancel/release this monitor
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connection.addConnectionListener(this);
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}
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/**
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* Cancels all the listeners that this InvitationsMonitor has added to the connection.
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*/
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private void cancel() {
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connection.removePacketListener(invitationPacketListener);
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connection.removeConnectionListener(this);
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}
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}
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}
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