private Room getRoom(String room) {
                Packet pak = new PacketImpl(Packet.RETRIEVE);
                connection.send(pak);
                Packet rec = connection.recv();
                String[] d = rec.getParameters()[0].split(Connection.SEPARATOR);
                Room r = new Room(d[0]);
                r.setNumberOfSubscribers(Integer.parseInt(d[1]));
                return r;
                
        }