/
ControllerLoaderListener.php
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/
ControllerLoaderListener.php
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<?php
namespace Symfony\Framework\FoundationBundle\Controller;
use Symfony\Components\HttpKernel\LoggerInterface;
use Symfony\Components\EventDispatcher\EventDispatcher;
use Symfony\Components\EventDispatcher\Event;
/*
* This file is part of the Symfony framework.
*
* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
/**
* ControllerLoaderListener listen to the core.load_controller and finds the controller
* to execute based on the request parameters.
*
* @package Symfony
* @subpackage Framework_FoundationBundle
* @author Fabien Potencier <fabien.potencier@symfony-project.com>
*/
class ControllerLoaderListener
{
protected $manager;
protected $logger;
public function __construct(ControllerManager $manager, LoggerInterface $logger = null)
{
$this->manager = $manager;
$this->logger = $logger;
}
/**
* Registers a core.load_controller listener.
*
* @param Symfony\Components\EventDispatcher\EventDispatcher $dispatcher An EventDispatcher instance
*/
public function register(EventDispatcher $dispatcher)
{
$dispatcher->connect('core.load_controller', array($this, 'resolve'));
}
/**
* Creates the Controller associated with the given Request.
*
* @param Event $event An Event instance
*
* @return Boolean true if the controller has been found, false otherwise
*/
public function resolve(Event $event)
{
$request = $event->getParameter('request');
if (!$controller = $request->path->get('_controller')) {
if (null !== $this->logger) {
$this->logger->err('Unable to look for the controller as the "_controller" parameter is missing');
}
return false;
}
list($controller, $method) = $this->manager->findController($controller);
$controller->setRequest($request);
$arguments = $this->manager->getMethodArguments($request->path->all(), $controller, $method);
$event->setReturnValue(array(array($controller, $method), $arguments));
return true;
}
}