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<?php defined('SYSPATH') or die('No direct script access.');
/**
 * Abstract controller class. Controllers should only be created using a [Request].
 *
 * Controllers methods will be automatically called in the following order by
 * the request:
 *
 *     $controller = new Controller_Foo($request);
 *     $controller->before();
 *     $controller->action_bar();
 *     $controller->after();
 *
 * The controller action should add the output it creates to
 * `$this->response->body($output)`, typically in the form of a [View], during the
 * "action" part of execution.
 *
 * @package    Kohana
 * @category   Controller
 * @author     Kohana Team
 * @copyright  (c) 2008-2011 Kohana Team
 * @license    http://kohanaframework.org/license
 */
abstract class Kohana_Controller {

/**
	 * @var  Request  Request that created the controller
	 */
	public $request;

/**
	 * @var  Response The response that will be returned from controller
	 */
	public $response;

/**
	 * Creates a new controller instance. Each controller must be constructed
	 * with the request object that created it.
	 *
	 * @param   Request   $request  Request that created the controller
	 * @param   Response  $response The request's response
	 * @return  void
	 */
	public function __construct(Request $request, Response $response)
	{
		// Assign the request to the controller
		$this->request = $request;

// Assign a response to the controller
		$this->response = $response;
	}

/**
	 * Automatically executed before the controller action. Can be used to set
	 * class properties, do authorization checks, and execute other custom code.
	 *
	 * @return  void
	 */
	public function before()
	{
		// Nothing by default
	}

/**
	 * Automatically executed after the controller action. Can be used to apply
	 * transformation to the request response, add extra output, and execute
	 * other custom code.
	 *
	 * @return  void
	 */
	public function after()
	{
		// Nothing by default
	}

} // End Controller