140 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /*
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|  * Copyright 2012 Google Inc.
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  *     http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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| 
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| /**
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|  * @author Chirag Shah <chirags@google.com>
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|  */
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| class W3TCG_Google_Http_Batch
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| {
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|   /** @var string Multipart Boundary. */
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|   private $boundary;
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| 
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|   /** @var array service requests to be executed. */
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|   private $requests = array();
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| 
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|   /** @var W3TCG_Google_Client */
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|   private $client;
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| 
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|   private $expected_classes = array();
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| 
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|   private $base_path;
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| 
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|   public function __construct(W3TCG_Google_Client $client, $boundary = false)
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|   {
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|     $this->client = $client;
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|     $this->base_path = $this->client->getBasePath();
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|     $this->expected_classes = array();
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|     $boundary = (false == $boundary) ? mt_rand() : $boundary;
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|     $this->boundary = str_replace('"', '', $boundary);
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|   }
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| 
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|   public function add(W3TCG_Google_Http_Request $request, $key = false)
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|   {
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|     if (false == $key) {
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|       $key = mt_rand();
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|     }
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| 
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|     $this->requests[$key] = $request;
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|   }
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| 
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|   public function execute()
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|   {
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|     $body = '';
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| 
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|     /** @var W3TCG_Google_Http_Request $req */
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|     foreach ($this->requests as $key => $req) {
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|       $body .= "--{$this->boundary}\n";
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|       $body .= $req->toBatchString($key) . "\n";
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|       $this->expected_classes["response-" . $key] = $req->getExpectedClass();
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|     }
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| 
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|     $body = rtrim($body);
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|     $body .= "\n--{$this->boundary}--";
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| 
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|     $url = $this->base_path . '/batch';
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|     $httpRequest = new W3TCG_Google_Http_Request($url, 'POST');
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|     $httpRequest->setRequestHeaders(
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|         array('Content-Type' => 'multipart/mixed; boundary=' . $this->boundary)
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|     );
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| 
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|     $httpRequest->setPostBody($body);
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|     $response = $this->client->getIo()->makeRequest($httpRequest);
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| 
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|     return $this->parseResponse($response);
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|   }
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| 
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|   public function parseResponse(W3TCG_Google_Http_Request $response)
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|   {
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|     $contentType = $response->getResponseHeader('content-type');
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|     $contentType = explode(';', $contentType);
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|     $boundary = false;
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|     foreach ($contentType as $part) {
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|       $part = (explode('=', $part, 2));
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|       if (isset($part[0]) && 'boundary' == trim($part[0])) {
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|         $boundary = $part[1];
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|       }
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|     }
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| 
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|     $body = $response->getResponseBody();
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|     if ($body) {
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|       $body = str_replace("--$boundary--", "--$boundary", $body);
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|       $parts = explode("--$boundary", $body);
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|       $responses = array();
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| 
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|       foreach ($parts as $part) {
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|         $part = trim($part);
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|         if (!empty($part)) {
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|           list($metaHeaders, $part) = explode("\r\n\r\n", $part, 2);
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|           $metaHeaders = $this->client->getIo()->getHttpResponseHeaders($metaHeaders);
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| 
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|           $status = substr($part, 0, strpos($part, "\n"));
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|           $status = explode(" ", $status);
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|           $status = $status[1];
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| 
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|           list($partHeaders, $partBody) = $this->client->getIo()->ParseHttpResponse($part, false);
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|           $response = new W3TCG_Google_Http_Request("");
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|           $response->setResponseHttpCode($status);
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|           $response->setResponseHeaders($partHeaders);
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|           $response->setResponseBody($partBody);
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| 
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|           // Need content id.
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|           $key = $metaHeaders['content-id'];
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| 
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|           if (isset($this->expected_classes[$key]) &&
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|               strlen($this->expected_classes[$key]) > 0) {
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|             $class = $this->expected_classes[$key];
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|             $response->setExpectedClass($class);
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|           }
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| 
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|           try {
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|             $response = W3TCG_Google_Http_REST::decodeHttpResponse($response);
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|             $responses[$key] = $response;
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|           } catch (W3TCG_Google_Service_Exception $e) {
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|             // Store the exception as the response, so succesful responses
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|             // can be processed.
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|             $responses[$key] = $e;
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|           }
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|         }
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|       }
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| 
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|       return $responses;
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|     }
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| 
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|     return null;
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|   }
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| }
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