# File ruby/comm_xmlrpc.rb, line 74
        def get_bridge_args(opt_proc)
          portj2r = opt_proc.call(:xmlrpc_bridge_port_j2r)
          portr2j = opt_proc.call(:xmlrpc_bridge_port_r2j)
          if check_previous_port(opt_proc.call(:xmlrpc_bridge_opened),portr2j) then
                return "jbridge.BridgeBuilder jbridge.comm.xmlrpc.XMLRPC_JBServer -remoteport:#{portj2r} -javaport:#{portr2j}"
          else
                return nil
          end
        end