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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Http
  * @subpackage Client_Adapter
  * @version    $Id$
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /**
  * @see Zend_Uri_Http
  */
 // require_once 'Zend/Uri/Http.php';
 /**
  * @see Zend_Http_Response
  */
 // require_once 'Zend/Http/Response.php';
 /**
  * @see Zend_Http_Client_Adapter_Interface
  */
 // require_once 'Zend/Http/Client/Adapter/Interface.php';
 
 /**
  * A testing-purposes adapter.
  *
  * Should be used to test all components that rely on Zend_Http_Client,
  * without actually performing an HTTP request. You should instantiate this
  * object manually, and then set it as the client's adapter. Then, you can
  * set the expected response using the setResponse() method.
  *
  * @category   Zend
  * @package    Zend_Http
  * @subpackage Client_Adapter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Http_Client_Adapter_Test implements Zend_Http_Client_Adapter_Interface
 {
     /**
      * Parameters array
      *
      * @var array
      */
     protected $config = array();
 
     /**
      * Buffer of responses to be returned by the read() method.  Can be
      * set using setResponse() and addResponse().
      *
      * @var array
      */
     protected $responses = array("HTTP/1.1 400 Bad Request\r\n\r\n");
 
     /**
      * Current position in the response buffer
      *
      * @var integer
      */
     protected $responseIndex = 0;
 
     /**
      * Wether or not the next request will fail with an exception
      *
      * @var boolean
      */
     protected $_nextRequestWillFail = false;
 
     /**
      * Adapter constructor, currently empty. Config is set using setConfig()
      *
      */
     public function __construct()
     { }
 
     /**
      * Set the nextRequestWillFail flag
      *
      * @param boolean $flag
      * @return Zend_Http_Client_Adapter_Test
      */
     public function setNextRequestWillFail($flag)
     {
         $this->_nextRequestWillFail = (bool) $flag;
 
         return $this;
     }
 
     /**
      * Set the configuration array for the adapter
      *
      * @param Zend_Config | array $config
      */
     public function setConfig($config = array())
     {
         if ($config instanceof Zend_Config) {
             $config = $config->toArray();
 
         } elseif (! is_array($config)) {
             // require_once 'Zend/Http/Client/Adapter/Exception.php';
             throw new Zend_Http_Client_Adapter_Exception(
                 'Array or Zend_Config object expected, got ' . gettype($config)
             );
         }
 
         foreach ($config as $k => $v) {
             $this->config[strtolower($k)] = $v;
         }
     }
 
 
     /**
      * Connect to the remote server
      *
      * @param string  $host
      * @param int     $port
      * @param boolean $secure
      * @param int     $timeout
      * @throws Zend_Http_Client_Adapter_Exception
      */
     public function connect($host, $port = 80, $secure = false)
     {
         if ($this->_nextRequestWillFail) {
             $this->_nextRequestWillFail = false;
             // require_once 'Zend/Http/Client/Adapter/Exception.php';
             throw new Zend_Http_Client_Adapter_Exception('Request failed');
         }
     }
 
     /**
      * Send request to the remote server
      *
      * @param string        $method
      * @param Zend_Uri_Http $uri
      * @param string        $http_ver
      * @param array         $headers
      * @param string        $body
      * @return string Request as string
      */
     public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')
     {
         $host = $uri->getHost();
             $host = (strtolower($uri->getScheme()) == 'https' ? 'sslv2://' . $host : $host);
 
         // Build request headers
         $path = $uri->getPath();
         if ($uri->getQuery()) $path .= '?' . $uri->getQuery();
         $request = "{$method} {$path} HTTP/{$http_ver}\r\n";
         foreach ($headers as $k => $v) {
             if (is_string($k)) $v = ucfirst($k) . ": $v";
             $request .= "$v\r\n";
         }
 
         // Add the request body
         $request .= "\r\n" . $body;
 
         // Do nothing - just return the request as string
 
         return $request;
     }
 
     /**
      * Return the response set in $this->setResponse()
      *
      * @return string
      */
     public function read()
     {
         if ($this->responseIndex >= count($this->responses)) {
             $this->responseIndex = 0;
         }
         return $this->responses[$this->responseIndex++];
     }
 
     /**
      * Close the connection (dummy)
      *
      */
     public function close()
     { }
 
     /**
      * Set the HTTP response(s) to be returned by this adapter
      *
      * @param Zend_Http_Response|array|string $response
      */
     public function setResponse($response)
     {
         if ($response instanceof Zend_Http_Response) {
             $response = $response->asString("\r\n");
         }
 
         $this->responses = (array)$response;
         $this->responseIndex = 0;
     }
 
     /**
      * Add another response to the response buffer.
      *
      * @param string Zend_Http_Response|$response
      */
     public function addResponse($response)
     {
          if ($response instanceof Zend_Http_Response) {
             $response = $response->asString("\r\n");
         }
 
         $this->responses[] = $response;
     }
 
     /**
      * Sets the position of the response buffer.  Selects which
      * response will be returned on the next call to read().
      *
      * @param integer $index
      */
     public function setResponseIndex($index)
     {
         if ($index < 0 || $index >= count($this->responses)) {
             // require_once 'Zend/Http/Client/Adapter/Exception.php';
             throw new Zend_Http_Client_Adapter_Exception(
                 'Index out of range of response buffer size');
         }
         $this->responseIndex = $index;
     }
 
     /**
      * Retrieve the array of all configuration options
      *
      * @return array
      */
     public function getConfig()
     {
         return $this->config;
     }
 }