# File jabber4r/session.rb, line 463

    def register_message_filter

      @connection.add_filter("messageFilter") do |element|

        if element.element_tag=="message" and @messageListeners.size > 0

          element.consume_element

          message = Jabber::Protocol::Message.from_element(self, element)

          notify_message_listeners(message)

        end #if message 

      end #do

    end