/usr/share/php/Symfony/Component/HttpKernel/Controller/ContainerControllerResolver.php is in php-symfony-http-kernel 3.4.6+dfsg-1.
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/*
* 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\Controller;
use Psr\Container\ContainerInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\DependencyInjection\Container;
use Symfony\Component\HttpFoundation\Request;
/**
* A controller resolver searching for a controller in a psr-11 container when using the "service:method" notation.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
*/
class ContainerControllerResolver extends ControllerResolver
{
protected $container;
public function __construct(ContainerInterface $container, LoggerInterface $logger = null)
{
$this->container = $container;
parent::__construct($logger);
}
/**
* {@inheritdoc}
*/
public function getController(Request $request)
{
$controller = parent::getController($request);
if (is_array($controller) && isset($controller[0]) && is_string($controller[0]) && $this->container->has($controller[0])) {
$controller[0] = $this->instantiateController($controller[0]);
}
return $controller;
}
/**
* Returns a callable for the given controller.
*
* @param string $controller A Controller string
*
* @return mixed A PHP callable
*
* @throws \LogicException When the name could not be parsed
* @throws \InvalidArgumentException When the controller class does not exist
*/
protected function createController($controller)
{
if (false !== strpos($controller, '::')) {
return parent::createController($controller);
}
$method = null;
if (1 == substr_count($controller, ':')) {
// controller in the "service:method" notation
list($controller, $method) = explode(':', $controller, 2);
}
if (!$this->container->has($controller)) {
$this->throwExceptionIfControllerWasRemoved($controller);
throw new \LogicException(sprintf('Controller not found: service "%s" does not exist.', $controller));
}
$service = $this->container->get($controller);
if (null !== $method) {
return array($service, $method);
}
if (!method_exists($service, '__invoke')) {
throw new \LogicException(sprintf('Controller "%s" cannot be called without a method name. Did you forget an "__invoke" method?', $controller));
}
return $service;
}
/**
* {@inheritdoc}
*/
protected function instantiateController($class)
{
if ($this->container->has($class)) {
return $this->container->get($class);
}
try {
return parent::instantiateController($class);
} catch (\ArgumentCountError $e) {
} catch (\ErrorException $e) {
} catch (\TypeError $e) {
}
$this->throwExceptionIfControllerWasRemoved($class, $e);
throw $e;
}
/**
* @param string $controller
* @param \Exception|\Throwable|null $previous
*/
private function throwExceptionIfControllerWasRemoved($controller, $previous = null)
{
if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {
throw new \LogicException(sprintf('Controller "%s" cannot be fetched from the container because it is private. Did you forget to tag the service with "controller.service_arguments"?', $controller), 0, $previous);
}
}
}
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