api = $api; $this->endpoint = $endpoint; $this->paramBuilder = $paramBuilder ?: new QueryParamBuilder(); } /** * When invoked with an AWS command, returns a serialization array * containing "method", "uri", "headers", and "body" key value pairs. * * @param CommandInterface $command Command to serialize into a request. * @param $endpointProvider Provider used for dynamic endpoint resolution. * @param $clientArgs Client arguments used for dynamic endpoint resolution. * * @return RequestInterface */ public function __invoke(CommandInterface $command, $endpoint = null) { $operation = $this->api->getOperation($command->getName()); $body = ['Action' => $command->getName(), 'Version' => $this->api->getMetadata('apiVersion')]; $commandArgs = $command->toArray(); // Only build up the parameters when there are parameters to build if ($commandArgs) { $body += \call_user_func($this->paramBuilder, $operation->getInput(), $commandArgs); } $body = \http_build_query($body, '', '&', \PHP_QUERY_RFC3986); $headers = ['Content-Length' => \strlen($body), 'Content-Type' => 'application/x-www-form-urlencoded']; if ($endpoint instanceof RulesetEndpoint) { $this->setEndpointV2RequestOptions($endpoint, $headers); } return new Request('POST', $this->endpoint, $headers, $body); } }