1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Cloud

    17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    18  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    19  */

    20 

    21 /**

    22  * Abstract factory for Zend_Cloud resources

    23  *

    24  * @category   Zend

    25  * @package    Zend_Cloud

    26  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    27  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    28  */

    29 class Zend_Cloud_AbstractFactory

    30 {

    31     /**

    32      * Constructor

    33      * 

    34      * @return void

    35      */

    36     private function __construct()

    37     {

    38         // private ctor - should not be used

    39     }

    40     

    41     /**

    42      * Get an individual adapter instance

    43      * 

    44      * @param  string $adapterOption 

    45      * @param  array|Zend_Config $options 

    46      * @return null|Zend_Cloud_DocumentService_Adapter|Zend_Cloud_QueueService_Adapter|Zend_Cloud_StorageService_Adapter

    47      */

    48     protected static function _getAdapter($adapterOption, $options) 

    49     {

    50         if ($options instanceof Zend_Config) {

    51             $options = $options->toArray();

    52         }

    53 

    54         if (!isset($options[$adapterOption])) {

    55             return null;

    56         }

    57 

    58         $classname = $options[$adapterOption];

    59         unset($options[$adapterOption]);

    60         if (!class_exists($classname)) {

    61             require_once 'Zend/Loader.php';

    62             Zend_Loader::loadClass($classname);

    63         }

    64 

    65         return new $classname($options);

    66     }

    67 }