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  * @subpackage StorageService

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

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

    20  */

    21 

    22 require_once 'Zend/Cloud/AbstractFactory.php';

    23 

    24 /**

    25  * @category   Zend

    26  * @package    Zend_Cloud

    27  * @subpackage StorageService

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

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

    30  */

    31 class Zend_Cloud_StorageService_Factory extends Zend_Cloud_AbstractFactory

    32 {

    33     const STORAGE_ADAPTER_KEY = 'storage_adapter';

    34     

    35     /**

    36      * @var string Interface which adapter must implement to be considered valid

    37      */

    38     protected static $_adapterInterface = 'Zend_Cloud_StorageService_Adapter';

    39     /**

    40      * Constructor

    41      * 

    42      * @return void

    43      */

    44     private function __construct()

    45     {

    46         // private ctor - should not be used

    47     }

    48     

    49     /**

    50      * Retrieve StorageService adapter

    51      * 

    52      * @param  array $options 

    53      * @return void

    54      */

    55     public static function getAdapter($options = array()) 

    56     {

    57         $adapter = parent::_getAdapter(self::STORAGE_ADAPTER_KEY, $options);

    58         if (!$adapter) {

    59             require_once 'Zend/Cloud/StorageService/Exception.php';

    60             throw new Zend_Cloud_StorageService_Exception('Class must be specified using the \'' .

    61             self::STORAGE_ADAPTER_KEY . '\' key');

    62         } elseif (!$adapter instanceof self::$_adapterInterface) {

    63             require_once 'Zend/Cloud/StorageService/Exception.php';

    64             throw new Zend_Cloud_StorageService_Exception(

    65                 'Adapter must implement \'' . self::$_adapterInterface . '\''

    66             );

    67         }

    68         return $adapter;

    69     }

    70 }