1: <?php
 2: /**
 3:  * The factory for the calendars handler.
 4:  *
 5:  * See the enclosed file COPYING for license information (GPL). If you
 6:  * did not receive this file, see http://www.horde.org/licenses/gpl.
 7:  *
 8:  * @author  Gunnar Wrobel <wrobel@pardus.de>
 9:  * @package Kronolith
10:  */
11: class Kronolith_Factory_Calendars
12: {
13:     /**
14:      * Calendars drivers already created.
15:      *
16:      * @var array
17:      */
18:     private $_instances = array();
19: 
20:     /**
21:      * The injector.
22:      *
23:      * @var Horde_Injector
24:      */
25:     private $_injector;
26: 
27:     /**
28:      * Constructor.
29:      *
30:      * @param Horde_Injector $injector  The injector to use.
31:      */
32:     public function __construct(Horde_Injector $injector)
33:     {
34:         $this->_injector = $injector;
35:     }
36: 
37:     /**
38:      * Return a Kronolith_Calendars instance.
39:      *
40:      * @return Kronolith_Calendars
41:      */
42:     public function create()
43:     {
44:         if (!isset($GLOBALS['conf']['calendars']['driver'])) {
45:             $driver = 'Default';
46:         } else {
47:             $driver = Horde_String::ucfirst($GLOBALS['conf']['calendars']['driver']);
48:         }
49:         if (empty($this->_instances[$driver])) {
50:             $class = 'Kronolith_Calendars_' . $driver;
51:             if (class_exists($class)) {
52:                 $params = array();
53:                 switch ($driver) {
54:                 case 'Default':
55:                     $params['identity'] = $this->_injector->getInstance('Horde_Core_Factory_Identity')->create();
56:                     break;
57:                 }
58:                 $this->_instances[$driver] = new $class(
59:                     $GLOBALS['kronolith_shares'],
60:                     $GLOBALS['registry']->getAuth(),
61:                     $params
62:                 );
63:             } else {
64:                 throw new Kronolith_Exception(sprintf('Unable to load the definition of %s.', $class));
65:             }
66:         }
67:         return $this->_instances[$driver];
68:     }
69: }