1: <?php
 2: /**
 3:  * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
 4:  * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 5:  *
 6:  * Licensed under The MIT License
 7:  * For full copyright and license information, please see the LICENSE.txt
 8:  * Redistributions of files must retain the above copyright notice.
 9:  *
10:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
11:  * @link          https://cakephp.org CakePHP(tm) Project
12:  * @since         2.0.0
13:  * @license       https://opensource.org/licenses/mit-license.php MIT License
14:  */
15: namespace Cake\Console;
16: 
17: use Cake\Console\Exception\MissingTaskException;
18: use Cake\Core\App;
19: use Cake\Core\ObjectRegistry;
20: 
21: /**
22:  * Registry for Tasks. Provides features
23:  * for lazily loading tasks.
24:  */
25: class TaskRegistry extends ObjectRegistry
26: {
27: 
28:     /**
29:      * Shell to use to set params to tasks.
30:      *
31:      * @var \Cake\Console\Shell
32:      */
33:     protected $_Shell;
34: 
35:     /**
36:      * Constructor
37:      *
38:      * @param \Cake\Console\Shell $Shell Shell instance
39:      */
40:     public function __construct(Shell $Shell)
41:     {
42:         $this->_Shell = $Shell;
43:     }
44: 
45:     /**
46:      * Resolve a task classname.
47:      *
48:      * Part of the template method for Cake\Core\ObjectRegistry::load()
49:      *
50:      * @param string $class Partial classname to resolve.
51:      * @return string|false Either the correct classname or false.
52:      */
53:     protected function _resolveClassName($class)
54:     {
55:         return App::className($class, 'Shell/Task', 'Task');
56:     }
57: 
58:     /**
59:      * Throws an exception when a task is missing.
60:      *
61:      * Part of the template method for Cake\Core\ObjectRegistry::load()
62:      * and Cake\Core\ObjectRegistry::unload()
63:      *
64:      * @param string $class The classname that is missing.
65:      * @param string $plugin The plugin the task is missing in.
66:      * @return void
67:      * @throws \Cake\Console\Exception\MissingTaskException
68:      */
69:     protected function _throwMissingClassError($class, $plugin)
70:     {
71:         throw new MissingTaskException([
72:             'class' => $class,
73:             'plugin' => $plugin
74:         ]);
75:     }
76: 
77:     /**
78:      * Create the task instance.
79:      *
80:      * Part of the template method for Cake\Core\ObjectRegistry::load()
81:      *
82:      * @param string $class The classname to create.
83:      * @param string $alias The alias of the task.
84:      * @param array $settings An array of settings to use for the task.
85:      * @return \Cake\Console\Shell The constructed task class.
86:      */
87:     protected function _create($class, $alias, $settings)
88:     {
89:         return new $class($this->_Shell->getIo());
90:     }
91: }
92: