Viewing file:  ControllerEvent.php (3.39 KB) -rw-r--r--
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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\HttpFoundation\Request;
use Symfony\Component\HttpKernel\HttpKernelInterface;
/**
* 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>
*/
final class ControllerEvent extends KernelEvent
{
private string|array|object $controller;
private \ReflectionFunctionAbstract $controllerReflector;
private array $attributes;
public function __construct(HttpKernelInterface $kernel, callable $controller, Request $request, ?int $requestType)
{
parent::__construct($kernel, $request, $requestType);
$this->setController($controller);
}
public function getController(): callable
{
return $this->controller;
}
public function getControllerReflector(): \ReflectionFunctionAbstract
{
return $this->controllerReflector;
}
/**
* @param array<class-string, list<object>>|null $attributes
*/
public function setController(callable $controller, array $attributes = null): void
{
if (null !== $attributes) {
$this->attributes = $attributes;
}
if (isset($this->controller) && ($controller instanceof \Closure ? $controller == $this->controller : $controller === $this->controller)) {
$this->controller = $controller;
return;
}
if (null === $attributes) {
unset($this->attributes);
}
if (\is_array($controller) && method_exists(...$controller)) {
$this->controllerReflector = new \ReflectionMethod(...$controller);
} elseif (\is_string($controller) && false !== $i = strpos($controller, '::')) {
$this->controllerReflector = new \ReflectionMethod($controller);
} else {
$this->controllerReflector = new \ReflectionFunction($controller(...));
}
$this->controller = $controller;
}
/**
* @return array<class-string, list<object>>
*/
public function getAttributes(): array
{
if (isset($this->attributes)) {
return $this->attributes;
}
if (\is_array($this->controller) && method_exists(...$this->controller)) {
$class = new \ReflectionClass($this->controller[0]);
} elseif (\is_string($this->controller) && false !== $i = strpos($this->controller, '::')) {
$class = new \ReflectionClass(substr($this->controller, 0, $i));
} else {
$class = str_contains($this->controllerReflector->name, '{closure}') ? null : $this->controllerReflector->getClosureScopeClass();
}
$this->attributes = [];
foreach (array_merge($class?->getAttributes() ?? [], $this->controllerReflector->getAttributes()) as $attribute) {
if (class_exists($attribute->getName())) {
$this->attributes[$attribute->getName()][] = $attribute->newInstance();
}
}
return $this->attributes;
}
}
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