# File lib/fog/rackspace/service.rb, line 12
      def endpoint_uri(service_endpoint=nil, endpoint_name=nil)
        return @uri if @uri

        url = service_endpoint

        unless url
          if v1_authentication?
            raise "Service Endpoint must be specified via #{endpoint_name} parameter"
          else
            url = endpoint_uri_v2
          end
        end

        @uri = URI.parse url
      end