122 lines
3.7 KiB
PHP
122 lines
3.7 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpKernel\Controller;
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use Psr\Container\ContainerInterface;
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use Psr\Log\LoggerInterface;
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use Symfony\Component\DependencyInjection\Container;
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use Symfony\Component\HttpFoundation\Request;
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/**
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* A controller resolver searching for a controller in a psr-11 container when using the "service:method" notation.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
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*/
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class ContainerControllerResolver extends ControllerResolver
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{
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protected $container;
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public function __construct(ContainerInterface $container, LoggerInterface $logger = null)
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{
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$this->container = $container;
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parent::__construct($logger);
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}
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/**
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* {@inheritdoc}
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*/
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public function getController(Request $request)
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{
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$controller = parent::getController($request);
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if (is_array($controller) && isset($controller[0]) && is_string($controller[0]) && $this->container->has($controller[0])) {
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$controller[0] = $this->instantiateController($controller[0]);
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}
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return $controller;
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}
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/**
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* Returns a callable for the given controller.
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*
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* @param string $controller A Controller string
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*
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* @return mixed A PHP callable
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*
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* @throws \LogicException When the name could not be parsed
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* @throws \InvalidArgumentException When the controller class does not exist
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*/
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protected function createController($controller)
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{
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if (false !== strpos($controller, '::')) {
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return parent::createController($controller);
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}
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$method = null;
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if (1 == substr_count($controller, ':')) {
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// controller in the "service:method" notation
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list($controller, $method) = explode(':', $controller, 2);
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}
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if (!$this->container->has($controller)) {
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$this->throwExceptionIfControllerWasRemoved($controller);
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throw new \LogicException(sprintf('Controller not found: service "%s" does not exist.', $controller));
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}
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$service = $this->container->get($controller);
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if (null !== $method) {
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return array($service, $method);
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}
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if (!method_exists($service, '__invoke')) {
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throw new \LogicException(sprintf('Controller "%s" cannot be called without a method name. Did you forget an "__invoke" method?', $controller));
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}
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return $service;
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}
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/**
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* {@inheritdoc}
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*/
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protected function instantiateController($class)
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{
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if ($this->container->has($class)) {
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return $this->container->get($class);
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}
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try {
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return parent::instantiateController($class);
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} catch (\ArgumentCountError $e) {
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} catch (\ErrorException $e) {
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} catch (\TypeError $e) {
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}
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$this->throwExceptionIfControllerWasRemoved($class, $e);
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throw $e;
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}
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/**
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* @param string $controller
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* @param \Exception|\Throwable|null $previous
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*/
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private function throwExceptionIfControllerWasRemoved($controller, $previous = null)
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{
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if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {
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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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}
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}
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}
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