private function getResumeUri(Yoast_Google_HttpRequest $httpRequest)
 {
     $result = null;
     $body = $httpRequest->getPostBody();
     if ($body) {
         $httpRequest->setRequestHeaders(array('content-type' => 'application/json; charset=UTF-8', 'content-length' => Yoast_Google_Utils::getStrLen($body), 'x-upload-content-type' => $this->mimeType, 'x-upload-content-length' => $this->size, 'expect' => ''));
     }
     $response = Yoast_Google_Client::$io->makeRequest($httpRequest);
     $location = $response->getResponseHeader('location');
     $code = $response->getResponseHttpCode();
     if (200 == $code && true == $location) {
         return $location;
     }
     throw new Yoast_Google_Exception("Failed to start the resumable upload");
 }
 /**
  * @param $name
  * @param $arguments
  * @return Yoast_Google_HttpRequest|array
  * @throws Yoast_Google_Exception
  */
 public function __call($name, $arguments)
 {
     if (!isset($this->methods[$name])) {
         throw new Yoast_Google_Exception("Unknown function: {$this->serviceName}->{$this->resourceName}->{$name}()");
     }
     $method = $this->methods[$name];
     $parameters = $arguments[0];
     // postBody is a special case since it's not defined in the discovery document as parameter, but we abuse the param entry for storing it
     $postBody = null;
     if (isset($parameters['postBody'])) {
         if (is_object($parameters['postBody'])) {
             $this->stripNull($parameters['postBody']);
         }
         // Some APIs require the postBody to be set under the data key.
         if (is_array($parameters['postBody']) && 'latitude' == $this->serviceName) {
             if (!isset($parameters['postBody']['data'])) {
                 $rawBody = $parameters['postBody'];
                 unset($parameters['postBody']);
                 $parameters['postBody']['data'] = $rawBody;
             }
         }
         $postBody = is_array($parameters['postBody']) || is_object($parameters['postBody']) ? json_encode($parameters['postBody']) : $parameters['postBody'];
         unset($parameters['postBody']);
         if (isset($parameters['optParams'])) {
             $optParams = $parameters['optParams'];
             unset($parameters['optParams']);
             $parameters = array_merge($parameters, $optParams);
         }
     }
     if (!isset($method['parameters'])) {
         $method['parameters'] = array();
     }
     $method['parameters'] = array_merge($method['parameters'], $this->stackParameters);
     foreach ($parameters as $key => $val) {
         if ($key != 'postBody' && !isset($method['parameters'][$key])) {
             throw new Yoast_Google_Exception("({$name}) unknown parameter: '{$key}'");
         }
     }
     if (isset($method['parameters'])) {
         foreach ($method['parameters'] as $paramName => $paramSpec) {
             if (isset($paramSpec['required']) && $paramSpec['required'] && !isset($parameters[$paramName])) {
                 throw new Yoast_Google_Exception("({$name}) missing required param: '{$paramName}'");
             }
             if (isset($parameters[$paramName])) {
                 $value = $parameters[$paramName];
                 $parameters[$paramName] = $paramSpec;
                 $parameters[$paramName]['value'] = $value;
                 unset($parameters[$paramName]['required']);
             } else {
                 unset($parameters[$paramName]);
             }
         }
     }
     // Discovery v1.0 puts the canonical method id under the 'id' field.
     if (!isset($method['id'])) {
         $method['id'] = $method['rpcMethod'];
     }
     // Discovery v1.0 puts the canonical path under the 'path' field.
     if (!isset($method['path'])) {
         $method['path'] = $method['restPath'];
     }
     $servicePath = $this->service->servicePath;
     // Process Media Request
     $contentType = false;
     if (isset($method['mediaUpload'])) {
         $media = Yoast_Google_MediaFileUpload::process($postBody, $parameters);
         if ($media) {
             $contentType = isset($media['content-type']) ? $media['content-type'] : null;
             $postBody = isset($media['postBody']) ? $media['postBody'] : null;
             $servicePath = $method['mediaUpload']['protocols']['simple']['path'];
             $method['path'] = '';
         }
     }
     $url = Yoast_Google_REST::createRequestUri($servicePath, $method['path'], $parameters);
     $httpRequest = new Yoast_Google_HttpRequest($url, $method['httpMethod'], null, $postBody);
     if ($postBody) {
         $contentTypeHeader = array();
         if (isset($contentType) && $contentType) {
             $contentTypeHeader['content-type'] = $contentType;
         } else {
             $contentTypeHeader['content-type'] = 'application/json; charset=UTF-8';
             $contentTypeHeader['content-length'] = Yoast_Google_Utils::getStrLen($postBody);
         }
         $httpRequest->setRequestHeaders($contentTypeHeader);
     }
     $httpRequest = Yoast_Google_Client::$auth->sign($httpRequest);
     if (Yoast_Google_Client::$useBatch) {
         return $httpRequest;
     }
     // Terminate immediately if this is a resumable request.
     if (isset($parameters['uploadType']['value']) && Yoast_Google_MediaFileUpload::UPLOAD_RESUMABLE_TYPE == $parameters['uploadType']['value']) {
         $contentTypeHeader = array();
         if (isset($contentType) && $contentType) {
             $contentTypeHeader['content-type'] = $contentType;
         }
         $httpRequest->setRequestHeaders($contentTypeHeader);
         if ($postBody) {
             $httpRequest->setPostBody($postBody);
         }
         return $httpRequest;
     }
     return Yoast_Google_REST::execute($httpRequest);
 }