1: <?php
 2: /**
 3:  * This file contains the uri builder factory class.
 4:  *
 5:  * @package    Core
 6:  * @subpackage Frontend_URI
 7:  * @version    SVN Revision $Rev:$
 8:  *
 9:  * @author     Rudi Bieller
10:  * @copyright  four for business AG <www.4fb.de>
11:  * @license    http://www.contenido.org/license/LIZENZ.txt
12:  * @link       http://www.4fb.de
13:  * @link       http://www.contenido.org
14:  */
15: 
16: defined('CON_FRAMEWORK') || die('Illegal call: Missing framework initialization - request aborted.');
17: 
18: /**
19:  * Factory for retrieving required cUriBuilder object
20:  *
21:  * @package    Core
22:  * @subpackage Frontend_URI
23:  */
24: class cUriBuilderFactory {
25: 
26:     /**
27:      * Returns desired cUriBuilder object.
28:      *
29:      * @param string $sBuilder For now, those are valid: front_content, custom,
30:      *            custom_path or a
31:      *        Userdefined cUriBuilder name. The name must be a subpart of the
32:      *        cUriBuilder class, e. g. 'MyUriBuilder' for
33:      *            cUriBuilderMyUriBuilder.
34:      *        The classfile must be named like class.uribuilder.myuribuilder.php
35:      *        and it must be reside in /contenido/classes/uri/ folder.
36:      * @return cUriBuilder
37:      * @throws cInvalidArgumentException In case unknown type of builder is
38:      *         requested you'll get an Exception
39:      */
40:     public static function getUriBuilder($sBuilder) {
41:         switch ($sBuilder) {
42:             case 'front_content':
43:                 return cUriBuilderFrontcontent::getInstance();
44:                 break;
45:             case 'custom':
46:                 return cUriBuilderCustom::getInstance();
47:                 break;
48:             case 'custom_path':
49:                 return cUriBuilderCustomPath::getInstance();
50:                 break;
51:             default:
52:                 // TODO check if this is needed any longer because we have autoloading feature
53:                 if ((string) $sBuilder !== '') {
54:                     $sClassName = 'cUriBuilder' . $sBuilder;
55:                     $sFileName = 'class.uribuilder.' . strtolower($sBuilder) . '.php';
56:                     $sPath = str_replace('\\', '/', dirname(__FILE__)) . '/';
57:                     if (!cFileHandler::exists($sPath . $sFileName)) {
58:                         throw new cInvalidArgumentException('The classfile of cUriBuilder couldn\'t included by Contenido_UriBuilderFactory: ' . $sBuilder . '!');
59:                     }
60:                     cInclude('classes', 'uri/' . $sFileName);
61:                     if (!class_exists($sClassName)) {
62:                         throw new cInvalidArgumentException('The classfile of cUriBuilder couldn\'t included by Contenido_UriBuilderFactory: ' . $sBuilder . '!');
63:                     }
64:                     return call_user_func(array($sClassName, 'getInstance'));
65:                 }
66: 
67:                 throw new cInvalidArgumentException('Invalid/Empty cUriBuilder passed to cUriBuilderFactory: ' . $sBuilder . '!');
68:                 break;
69:         }
70:     }
71: 
72: }
73: