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 DocumentService

    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  * Class implementing working with Azure queries in a structured way

    26  * 

    27  * TODO Look into preventing a query injection attack.

    28  *

    29  * @category   Zend

    30  * @package    Zend_Cloud

    31  * @subpackage DocumentService

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

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

    34  */

    35 class Zend_Cloud_DocumentService_Factory extends Zend_Cloud_AbstractFactory

    36 {

    37     const DOCUMENT_ADAPTER_KEY = 'document_adapter';

    38 

    39     /**

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

    41      */

    42     protected static $_adapterInterface = 'Zend_Cloud_DocumentService_Adapter';

    43 

    44     /**

    45      * Constructor

    46      * 

    47      * @return void

    48      */

    49     private function __construct()

    50     {

    51         // private ctor - should not be used

    52     }

    53     

    54     /**

    55      * Retrieve an adapter instance

    56      * 

    57      * @param array $options 

    58      * @return void

    59      */

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

    61     {

    62         $adapter = parent::_getAdapter(self::DOCUMENT_ADAPTER_KEY, $options);

    63         if (!$adapter) {

    64             require_once 'Zend/Cloud/DocumentService/Exception.php';

    65             throw new Zend_Cloud_DocumentService_Exception(

    66                 'Class must be specified using the \''

    67                 . self::DOCUMENT_ADAPTER_KEY . '\' key'

    68             );

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

    70             require_once 'Zend/Cloud/DocumentService/Exception.php';

    71             throw new Zend_Cloud_DocumentService_Exception(

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

    73             );

    74         }

    75         return $adapter;

    76     }

    77 }