1: <?php
 2: /**
 3:  * Magento
 4:  *
 5:  * NOTICE OF LICENSE
 6:  *
 7:  * This source file is subject to the Open Software License (OSL 3.0)
 8:  * that is bundled with this package in the file LICENSE.txt.
 9:  * It is also available through the world-wide-web at this URL:
10:  * http://opensource.org/licenses/osl-3.0.php
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@magentocommerce.com so we can send you a copy immediately.
14:  *
15:  * DISCLAIMER
16:  *
17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
18:  * versions in the future. If you wish to customize Magento for your
19:  * needs please refer to http://www.magentocommerce.com for more information.
20:  *
21:  * @category    Mage
22:  * @package     Mage_Api2
23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
25:  */
26: 
27: /**
28:  * Request content interpreter factory
29:  *
30:  * @category    Mage
31:  * @package     Mage_Api2
32:  * @author      Magento Core Team <core@magentocommerce.com>
33:  */
34: abstract class Mage_Api2_Model_Request_Interpreter
35: {
36:     /**
37:      * Request body interpreters factory
38:      *
39:      * @param string $type
40:      * @return Mage_Api2_Model_Request_Interpreter_Interface
41:      * @throws Exception|Mage_Api2_Exception
42:      */
43:     public static function factory($type)
44:     {
45:         /** @var $helper Mage_Api2_Helper_Data */
46:         $helper = Mage::helper('api2/data');
47:         $adapters = $helper->getRequestInterpreterAdapters();
48: 
49:         if (empty($adapters) || !is_array($adapters)) {
50:             throw new Exception('Request interpreter adapters is not set.');
51:         }
52: 
53:         $adapterModel = null;
54:         foreach ($adapters as $item) {
55:             $itemType = $item->type;
56:             if ($itemType == $type) {
57:                 $adapterModel = $item->model;
58:                 break;
59:             }
60:         }
61: 
62:         if ($adapterModel === null) {
63:             throw new Mage_Api2_Exception(
64:                 sprintf('Server can not understand Content-Type HTTP header media type "%s"', $type),
65:                 Mage_Api2_Model_Server::HTTP_BAD_REQUEST
66:             );
67:         }
68: 
69:         $adapter = Mage::getModel($adapterModel);
70:         if (!$adapter) {
71:             throw new Exception(sprintf('Request interpreter adapter "%s" not found.', $type));
72:         }
73: 
74:         return $adapter;
75:     }
76: }
77: