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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel\Event;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\HttpFoundation\Request;
/**
* Allows filtering of a controller callable
*
* You can call getController() to retrieve the current controller. With
* setController() you can set a new controller that is used in the processing
* of the request.
*
* Controllers should be callables.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @api
*/
class FilterControllerEvent extends KernelEvent
{
/**
* The current controller
* @var callable
*/
private $controller;
public function __construct(HttpKernelInterface $kernel, $controller, Request $request, $requestType)
{
parent::__construct($kernel, $request, $requestType);
$this->setController($controller);
}
/**
* Returns the current controller
*
* @return callable
*
* @api
*/
public function getController()
{
return $this->controller;
}
/**
* Sets a new controller
*
* @param callable $controller
*
* @throws \LogicException
*
* @api
*/
public function setController($controller)
{
// controller must be a callable
if (!is_callable($controller)) {
throw new \LogicException(sprintf('The controller must be a callable (%s given).', $this->varToString($controller)));
}
$this->controller = $controller;
}
private function varToString($var)
{
if (is_object($var)) {
return sprintf('Object(%s)', get_class($var));
}
if (is_array($var)) {
$a = array();
foreach ($var as $k => $v) {
$a[] = sprintf('%s => %s', $k, $this->varToString($v));
}
return sprintf("Array(%s)", implode(', ', $a));
}
if (is_resource($var)) {
return sprintf('Resource(%s)', get_resource_type($var));
}
if (null === $var) {
return 'null';
}
if (false === $var) {
return 'false';
}
if (true === $var) {
return 'true';
}
return (string) $var;
}
}