/src/Google/Http/Batch.php
PHP | 143 lines | 93 code | 25 blank | 25 comment | 10 complexity | 93eb9f356b6b4cbcf6fdbc1926dbde88 MD5 | raw file
- <?php
- /*
- * Copyright 2012 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- if (!class_exists('Google_Client')) {
- require_once dirname(__FILE__) . '/../autoload.php';
- }
- /**
- * Class to handle batched requests to the Google API service.
- */
- class Google_Http_Batch
- {
- /** @var string Multipart Boundary. */
- private $boundary;
- /** @var array service requests to be executed. */
- private $requests = array();
- /** @var Google_Client */
- private $client;
- private $expected_classes = array();
- private $base_path;
- public function __construct(Google_Client $client, $boundary = false)
- {
- $this->client = $client;
- $this->base_path = $this->client->getBasePath();
- $this->expected_classes = array();
- $boundary = (false == $boundary) ? mt_rand() : $boundary;
- $this->boundary = str_replace('"', '', $boundary);
- }
- public function add(Google_Http_Request $request, $key = false)
- {
- if (false == $key) {
- $key = mt_rand();
- }
- $this->requests[$key] = $request;
- }
- public function execute()
- {
- $body = '';
- /** @var Google_Http_Request $req */
- foreach ($this->requests as $key => $req) {
- $body .= "--{$this->boundary}\n";
- $body .= $req->toBatchString($key) . "\n";
- $this->expected_classes["response-" . $key] = $req->getExpectedClass();
- }
- $body = rtrim($body);
- $body .= "\n--{$this->boundary}--";
- $url = $this->base_path . '/batch';
- $httpRequest = new Google_Http_Request($url, 'POST');
- $httpRequest->setRequestHeaders(
- array('Content-Type' => 'multipart/mixed; boundary=' . $this->boundary)
- );
- $httpRequest->setPostBody($body);
- $response = $this->client->getIo()->makeRequest($httpRequest);
- return $this->parseResponse($response);
- }
- public function parseResponse(Google_Http_Request $response)
- {
- $contentType = $response->getResponseHeader('content-type');
- $contentType = explode(';', $contentType);
- $boundary = false;
- foreach ($contentType as $part) {
- $part = (explode('=', $part, 2));
- if (isset($part[0]) && 'boundary' == trim($part[0])) {
- $boundary = $part[1];
- }
- }
- $body = $response->getResponseBody();
- if ($body) {
- $body = str_replace("--$boundary--", "--$boundary", $body);
- $parts = explode("--$boundary", $body);
- $responses = array();
- foreach ($parts as $part) {
- $part = trim($part);
- if (!empty($part)) {
- list($metaHeaders, $part) = explode("\r\n\r\n", $part, 2);
- $metaHeaders = $this->client->getIo()->getHttpResponseHeaders($metaHeaders);
- $status = substr($part, 0, strpos($part, "\n"));
- $status = explode(" ", $status);
- $status = $status[1];
- list($partHeaders, $partBody) = $this->client->getIo()->ParseHttpResponse($part, false);
- $response = new Google_Http_Request("");
- $response->setResponseHttpCode($status);
- $response->setResponseHeaders($partHeaders);
- $response->setResponseBody($partBody);
- // Need content id.
- $key = $metaHeaders['content-id'];
- if (isset($this->expected_classes[$key]) &&
- strlen($this->expected_classes[$key]) > 0) {
- $class = $this->expected_classes[$key];
- $response->setExpectedClass($class);
- }
- try {
- $response = Google_Http_REST::decodeHttpResponse($response, $this->client);
- $responses[$key] = $response;
- } catch (Google_Service_Exception $e) {
- // Store the exception as the response, so successful responses
- // can be processed.
- $responses[$key] = $e;
- }
- }
- }
- return $responses;
- }
- return null;
- }
- }