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_ImportExport
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:  * Import adapter model
29:  *
30:  * @category    Mage
31:  * @package     Mage_ImportExport
32:  * @author      Magento Core Team <core@magentocommerce.com>
33:  */
34: class Mage_ImportExport_Model_Import_Adapter
35: {
36:     /**
37:      * Adapter factory. Checks for availability, loads and create instance of import adapter object.
38:      *
39:      * @param string $type Adapter type ('csv', 'xml' etc.)
40:      * @param mixed $options OPTIONAL Adapter constructor options
41:      * @throws Exception
42:      * @return Mage_ImportExport_Model_Import_Adapter_Abstract
43:      */
44:     public static function factory($type, $options = null)
45:     {
46:         if (!is_string($type) || !$type) {
47:             Mage::throwException(Mage::helper('importexport')->__('Adapter type must be a non empty string'));
48:         }
49:         $adapterClass = __CLASS__ . '_' . ucfirst(strtolower($type));
50: 
51:         if (!class_exists($adapterClass)) {
52:             Mage::throwException("'{$type}' file extension is not supported");
53:         }
54:         $adapter = new $adapterClass($options);
55: 
56:         if (! $adapter instanceof Mage_ImportExport_Model_Import_Adapter_Abstract) {
57:             Mage::throwException(
58:                 Mage::helper('importexport')->__('Adapter must be an instance of Mage_ImportExport_Model_Import_Adapter_Abstract')
59:             );
60:         }
61:         return $adapter;
62:     }
63: 
64:     /**
65:      * Create adapter instance for specified source file.
66:      *
67:      * @param string $source Source file path.
68:      * @return Mage_ImportExport_Model_Import_Adapter_Abstract
69:      */
70:     public static function findAdapterFor($source)
71:     {
72:         return self::factory(pathinfo($source, PATHINFO_EXTENSION), $source);
73:     }
74: }
75: