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<?php
/**
* Kunena Component
* @package Kunena.Administrator.Template
* @subpackage Categories
*
* @copyright (C) 2008 - 2014 Kunena Team. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link http://www.kunena.org
**/
defined ( '_JEXEC' ) or die ();
/**
* Implements Kunena Request class.
*
* This class is part of Kunena HMVC implementation, allowing calls to
* any display controller in the component.
*
* <code>
* // Executes the controller and sets the layout for the view.
* echo KunenaRequest::factory('user/login')->execute()->set('layout', 'form');
*
* // If there are no parameters for the view, this shorthand works also.
* echo KunenaRequest::factory('user/registration');
* </code>
*
* Individual controller classes are located in /components/com_kunena/controllers
* sub-folders eg: controllers/user/login/display.php
*
* @see KunenaLayout
*/
class KunenaRequest
{
/**
* Returns controller.
*
* @param mixed $path Controller path.
* @param JInput $input
*
* @return KunenaController
* @throws InvalidArgumentException
*/
public static function factory($path, JInput $input = null) {
$path = (string) $path;
if (!$path) throw new InvalidArgumentException('No controller given.', 404);
// Attempt to load controller class if it doesn't exist.
$class = 'KunenaController' . preg_replace('/[^A-Z0-9_]/i', '', $path) . 'Display';
if (!class_exists($class)) {
$filename = JPATH_BASE . "/components/com_kunena/controllers/{$path}/display.php";
if (!is_file($filename)) {
throw new InvalidArgumentException(sprintf('Controller %s doesn\'t exist.', $path), 404);
}
require_once $filename;
}
if (!class_exists($class)) {
$class = 'KunenaControllerDisplay';
}
// Create controller object.
return new $class($input);
}
}