code: public static boolean isDirectTransport(String strTransportCode)
      {
          if ((MessageTransport.DIRECT.equalsIgnoreCase(strTransportCode))
              || (MessageTransport.SERVER.equalsIgnoreCase(strTransportCode))
              || (MessageTransport.CLIENT.equalsIgnoreCase(strTransportCode)))
                  return true;    // These are the direct types
          return false;    // The others are not direct
      }
docs: Is this transport code a direct type?.