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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_Cloud
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /**
  * Abstract factory for Zend_Cloud resources
  *
  * @category   Zend
  * @package    Zend_Cloud
  * @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_Cloud_AbstractFactory
 {
     /**
      * Constructor
      */
     private function __construct()
     {
         // private ctor - should not be used
     }
 
     /**
      * Get an individual adapter instance
      *
      * @param  string $adapterOption
      * @param  array|Zend_Config $options
      * @return null|Zend_Cloud_DocumentService_Adapter|Zend_Cloud_QueueService_Adapter|Zend_Cloud_StorageService_Adapter
      */
     protected static function _getAdapter($adapterOption, $options)
     {
         if ($options instanceof Zend_Config) {
             $options = $options->toArray();
         }
 
         if (!isset($options[$adapterOption])) {
             return null;
         }
 
         $classname = $options[$adapterOption];
         unset($options[$adapterOption]);
         if (!class_exists($classname)) {
             // require_once 'Zend/Loader.php';
             Zend_Loader::loadClass($classname);
         }
 
         return new $classname($options);
     }
 }