1: <?php
 2: /**
 3:  * VFS API for abstracted file storage and access.
 4:  *
 5:  * Copyright 2002-2012 Horde LLC (http://www.horde.org/)
 6:  *
 7:  * See the enclosed file COPYING for license information (LGPL). If you
 8:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
 9:  *
10:  * @author  Chuck Hagenbuch <chuck@horde.org>
11:  * @package Vfs
12:  */
13: class Horde_Vfs
14: {
15:     /* Quota constants. */
16:     const QUOTA_METRIC_BYTE = 1;
17:     const QUOTA_METRIC_KB = 2;
18:     const QUOTA_METRIC_MB = 3;
19:     const QUOTA_METRIC_GB = 4;
20: 
21:     /**
22:      * Attempts to return a concrete instance based on $driver.
23:      *
24:      * @deprecated
25:      *
26:      * @param mixed $driver  The type of concrete subclass to return. This
27:      *                       is based on the storage driver ($driver). The
28:      *                       code is dynamically included.
29:      * @param array $params  A hash containing any additional configuration or
30:      *                       connection parameters a subclass might need.
31:      *
32:      * @return VFS  The newly created concrete VFS instance.
33:      * @throws Horde_Vfs_Exception
34:      */
35:     static public function factory($driver, $params = array())
36:     {
37:         $class = 'Horde_Vfs_' . basename(Horde_String::ucfirst($driver));
38: 
39:         if (class_exists($class)) {
40:             return new $class($params);
41:         }
42: 
43:         throw new Horde_Vfs_Exception('Class definition of ' . $class . ' not found.');
44:     }
45: }
46: