ContainerControllerResolver.php
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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\Controller;
use Psr\Container\ContainerInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\DependencyInjection\Container;
/**
* 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);
}
protected function createController(string $controller)
{
if (1 === substr_count($controller, ':')) {
$controller = str_replace(':', '::', $controller);
trigger_deprecation('symfony/http-kernel', '5.1', 'Referencing controllers with a single colon is deprecated. Use "%s" instead.', $controller);
}
return parent::createController($controller);
}
/**
* {@inheritdoc}
*/
protected function instantiateController(string $class)
{
$class = ltrim($class, '\\');
if ($this->container->has($class)) {
return $this->container->get($class);
}
try {
return parent::instantiateController($class);
} catch (\Error $e) {
}
$this->throwExceptionIfControllerWasRemoved($class, $e);
if ($e instanceof \ArgumentCountError) {
throw new \InvalidArgumentException(sprintf('Controller "%s" has required constructor arguments and does not exist in the container. Did you forget to define the controller as a service?', $class), 0, $e);
}
throw new \InvalidArgumentException(sprintf('Controller "%s" does neither exist as service nor as class.', $class), 0, $e);
}
private function throwExceptionIfControllerWasRemoved(string $controller, \Throwable $previous)
{
if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {
throw new \InvalidArgumentException(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);
}
}
}