Dispatcher.php

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<?php
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Extbase\Mvc;
 
use Psr\Container\ContainerInterface;
use Psr\EventDispatcher\EventDispatcherInterface;
use ‪TYPO3\CMS\Core\SingletonInterface;
use ‪TYPO3\CMS\Extbase\Annotation\IgnoreValidation;
use ‪TYPO3\CMS\Extbase\Event\Mvc\AfterRequestDispatchedEvent;
use ‪TYPO3\CMS\Extbase\Mvc\Controller\ControllerInterface;
use ‪TYPO3\CMS\Extbase\Mvc\Exception\InfiniteLoopException;
use ‪TYPO3\CMS\Extbase\Mvc\Exception\InvalidControllerException;
use ‪TYPO3\CMS\Extbase\Mvc\Exception\StopActionException;
use ‪TYPO3\CMS\Extbase\Object\ObjectManagerInterface;
 
class ‪Dispatcher implements ‪SingletonInterface
{
    protected ‪$objectManager;
 
    private ‪$container;
 
    protected ‪$eventDispatcher;
 
    protected ‪$settings = [];
 
    public function ‪__construct(
        ‪ObjectManagerInterface ‪$objectManager,
        ContainerInterface ‪$container,
        EventDispatcherInterface ‪$eventDispatcher
    ) {
        $this->objectManager = ‪$objectManager;
        $this->container = ‪$container;
        $this->eventDispatcher = ‪$eventDispatcher;
    }
 
    public function ‪dispatch(‪RequestInterface $request, ‪ResponseInterface $response)
    {
        $dispatchLoopCount = 0;
        while (!$request->‪isDispatched()) {
            if ($dispatchLoopCount++ > 99) {
                throw new ‪InfiniteLoopException('Could not ultimately dispatch the request after ' . $dispatchLoopCount . ' iterations. Most probably, a @' . IgnoreValidation::class . ' annotation is missing on re-displaying a form with validation errors.', 1217839467);
            }
            $controller = $this->‪resolveController($request);
            try {
                $controller->processRequest($request, $response);
            } catch (StopActionException $ignoredException) {
            }
        }
 
        $this->eventDispatcher->dispatch(new AfterRequestDispatchedEvent($request, $response));
    }
 
    protected function ‪resolveController(RequestInterface $request)
    {
        $controllerObjectName = $request->getControllerObjectName();
        if ($this->container->has($controllerObjectName)) {
            $controller = $this->container->get($controllerObjectName);
        } else {
            $controller = $this->objectManager->get($controllerObjectName);
        }
        if (!$controller instanceof ControllerInterface) {
            throw new InvalidControllerException(
                'Invalid controller "' . $request->getControllerObjectName() . '". The controller must implement the TYPO3\\CMS\\Extbase\\Mvc\\Controller\\ControllerInterface.',
                1476109646
            );
        }
        return $controller;
    }
}