1: <?php
 2: /**
 3:  * Registry of loaded log engines
 4:  *
 5:  * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 6:  * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 7:  *
 8:  * Licensed under The MIT License
 9:  * For full copyright and license information, please see the LICENSE.txt
10:  * Redistributions of files must retain the above copyright notice.
11:  *
12:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
13:  * @link          http://cakephp.org CakePHP(tm) Project
14:  * @package       Cake.Log
15:  * @since         CakePHP(tm) v 2.2
16:  * @license       http://www.opensource.org/licenses/mit-license.php MIT License
17:  */
18: 
19: App::uses('ObjectCollection', 'Utility');
20: 
21: /**
22:  * Registry of loaded log engines
23:  *
24:  * @package       Cake.Log
25:  */
26: class LogEngineCollection extends ObjectCollection {
27: 
28: /**
29:  * Loads/constructs a Log engine.
30:  *
31:  * @param string $name instance identifier
32:  * @param array $options Setting for the Log Engine
33:  * @return BaseLog BaseLog engine instance
34:  * @throws CakeLogException when logger class does not implement a write method
35:  */
36:     public function load($name, $options = array()) {
37:         $enable = isset($options['enabled']) ? $options['enabled'] : true;
38:         $loggerName = $options['engine'];
39:         unset($options['engine']);
40:         $className = $this->_getLogger($loggerName);
41:         $logger = new $className($options);
42:         if (!$logger instanceof CakeLogInterface) {
43:             throw new CakeLogException(
44:                 __d('cake_dev', 'logger class %s does not implement a %s method.', $loggerName, 'write()')
45:             );
46:         }
47:         $this->_loaded[$name] = $logger;
48:         if ($enable) {
49:             $this->enable($name);
50:         }
51:         return $logger;
52:     }
53: 
54: /**
55:  * Attempts to import a logger class from the various paths it could be on.
56:  * Checks that the logger class implements a write method as well.
57:  *
58:  * @param string $loggerName the plugin.className of the logger class you want to build.
59:  * @return mixed boolean false on any failures, string of classname to use if search was successful.
60:  * @throws CakeLogException
61:  */
62:     protected static function _getLogger($loggerName) {
63:         list($plugin, $loggerName) = pluginSplit($loggerName, true);
64:         if (substr($loggerName, -3) !== 'Log') {
65:             $loggerName .= 'Log';
66:         }
67:         App::uses($loggerName, $plugin . 'Log/Engine');
68:         if (!class_exists($loggerName)) {
69:             throw new CakeLogException(__d('cake_dev', 'Could not load class %s', $loggerName));
70:         }
71:         return $loggerName;
72:     }
73: 
74: }
75: