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Code Issues Releases Wiki Activity

Don't remove the MUC listeners after a disconnect

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keep state of XMPPConnection between disconnects.

Fixes SMACK-571
This commit is contained in:
Florian Schmaus 2014-06-02 16:58:53 +02:00
parent 12b9e9d507
commit 8bf30b960c
1 changed files with 16 additions and 62 deletions
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78
smack-extensions/src/main/java/org/jivesoftware/smackx/muc/RoomListenerMultiplexor.java
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@ -17,7 +17,7 @@
package org.jivesoftware.smackx.muc;
import org.jivesoftware.smack.AbstractConnectionListener;
import org.jivesoftware.smack.Manager;
import org.jivesoftware.smack.PacketListener;
import org.jivesoftware.smack.SmackException.NotConnectedException;
import org.jivesoftware.smack.XMPPConnection;
@ -25,7 +25,6 @@ import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Packet;
import org.jxmpp.util.XmppStringUtils;
import java.lang.ref.WeakReference;
import java.util.Locale;
import java.util.Map;
import java.util.WeakHashMap;
@ -40,16 +39,14 @@ import java.util.concurrent.ConcurrentHashMap;
*
* @author Larry Kirschner
*/
class RoomListenerMultiplexor extends AbstractConnectionListener {
class RoomListenerMultiplexor extends Manager {
// We use a WeakHashMap so that the GC can collect the monitor when the
// connection is no longer referenced by any object.
private static final Map<XMPPConnection, WeakReference<RoomListenerMultiplexor>> monitors =
new WeakHashMap<XMPPConnection, WeakReference<RoomListenerMultiplexor>>();
private static final Map<XMPPConnection, RoomListenerMultiplexor> monitors = new WeakHashMap<XMPPConnection, RoomListenerMultiplexor>();
private XMPPConnection connection;
private RoomMultiplexFilter filter;
private RoomMultiplexListener listener;
private final RoomMultiplexFilter filter;
private final RoomMultiplexListener listener;
/**
* Returns a new or existing RoomListenerMultiplexor for a given connection.
@ -57,22 +54,14 @@ class RoomListenerMultiplexor extends AbstractConnectionListener {
* @param conn the connection to monitor for room invitations.
* @return a new or existing RoomListenerMultiplexor for a given connection.
*/
public static RoomListenerMultiplexor getRoomMultiplexor(XMPPConnection conn) {
synchronized (monitors) {
if (!monitors.containsKey(conn) || monitors.get(conn).get() == null) {
RoomListenerMultiplexor rm = new RoomListenerMultiplexor(conn, new RoomMultiplexFilter(),
new RoomMultiplexListener());
rm.init();
// We need to use a WeakReference because the monitor references the
// connection and this could prevent the GC from collecting the monitor
// when no other object references the monitor
monitors.put(conn, new WeakReference<RoomListenerMultiplexor>(rm));
}
// Return the InvitationsMonitor that monitors the connection
return monitors.get(conn).get();
public static synchronized RoomListenerMultiplexor getRoomMultiplexor(XMPPConnection conn) {
RoomListenerMultiplexor rlm = monitors.get(conn);
if (rlm == null) {
rlm = new RoomListenerMultiplexor(conn, new RoomMultiplexFilter(),
new RoomMultiplexListener());
}
// Return the InvitationsMonitor that monitors the connection
return rlm;
}
/**
@ -81,18 +70,12 @@ class RoomListenerMultiplexor extends AbstractConnectionListener {
*/
private RoomListenerMultiplexor(XMPPConnection connection, RoomMultiplexFilter filter,
RoomMultiplexListener listener) {
if (connection == null) {
throw new IllegalArgumentException("XMPPConnection is null");
}
if (filter == null) {
throw new IllegalArgumentException("Filter is null");
}
if (listener == null) {
throw new IllegalArgumentException("Listener is null");
}
this.connection = connection;
super(connection);
connection.addPacketListener(listener, filter);
this.filter = filter;
this.listener = listener;
monitors.put(connection, this);
}
public void addRoom(String address, PacketMultiplexListener roomListener) {
@ -100,40 +83,11 @@ class RoomListenerMultiplexor extends AbstractConnectionListener {
listener.addRoom(address, roomListener);
}
@Override
public void connectionClosed() {
cancel();
}
@Override
public void connectionClosedOnError(Exception e) {
cancel();
}
/**
* Initializes the listeners to detect received room invitations and to detect when the
* connection gets closed. As soon as a room invitation is received the invitations
* listeners will be fired. When the connection gets closed the monitor will remove
* his listeners on the connection.
*/
public void init() {
connection.addConnectionListener(this);
connection.addPacketListener(listener, filter);
}
public void removeRoom(String address) {
filter.removeRoom(address);
listener.removeRoom(address);
}
/**
* Cancels all the listeners that this InvitationsMonitor has added to the connection.
*/
private void cancel() {
connection.removeConnectionListener(this);
connection.removePacketListener(listener);
}
/**
* The single <code>XMPPConnection</code>-level <code>PacketFilter</code> used by a {@link RoomListenerMultiplexor}
* for all muc chat rooms on an <code>XMPPConnection</code>.