src/net/java/sip/communicator/impl/protocol/jabber/ServerStoredContactListJabberImpl.java
/**
     * Registers the specified group listener so that it would receive events
     * on group modification/creation/destruction.
     * @param listener the ServerStoredGroupListener to register for group events
     */
Registers the specified group listener so that it would receive events
on group modification/creation/destruction.
@param listener the ServerStoredGroupListener to register for group events
Registers the specified group listener so that it would receive events on group modification / creation / destruction . @param listener the ServerStoredGroupListener to register for group events
void addGroupListener(ServerStoredGroupListener listener)
    {
        synchronized(serverStoredGroupListeners)
        {
            if(!serverStoredGroupListeners.contains(listener))
            this.serverStoredGroupListeners.add(listener);
        }
    }
void addGroupListener ( ServerStoredGroupListener listener ) { synchronized ( serverStoredGroupListeners ) { if ( ! serverStoredGroupListeners . contains ( listener ) ) this . serverStoredGroupListeners . add ( listener ) ; } }
Registers the specified group listener so that it would receive events
 on group modification/creation/destruction.
Registers the specified group listener so that it would receive events on group modification / creation / destruction .