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- <?php
- /**
- * @package Grav\Framework\RequestHandler
- *
- * @copyright Copyright (c) 2015 - 2022 Trilby Media, LLC. All rights reserved.
- * @license MIT License; see LICENSE file for details.
- */
- declare(strict_types=1);
- namespace Grav\Framework\RequestHandler\Traits;
- use Grav\Framework\RequestHandler\Exception\InvalidArgumentException;
- use Psr\Container\ContainerInterface;
- use Psr\Http\Message\ResponseInterface;
- use Psr\Http\Message\ServerRequestInterface;
- use Psr\Http\Server\MiddlewareInterface;
- use function call_user_func;
- /**
- * Trait RequestHandlerTrait
- * @package Grav\Framework\RequestHandler\Traits
- */
- trait RequestHandlerTrait
- {
- /** @var array<int,string|MiddlewareInterface> */
- protected $middleware;
- /** @var callable */
- protected $handler;
- /** @var ContainerInterface|null */
- protected $container;
- /**
- * {@inheritdoc}
- * @throws InvalidArgumentException
- */
- public function handle(ServerRequestInterface $request): ResponseInterface
- {
- $middleware = array_shift($this->middleware);
- // Use default callable if there is no middleware.
- if ($middleware === null) {
- return call_user_func($this->handler, $request);
- }
- if ($middleware instanceof MiddlewareInterface) {
- return $middleware->process($request, clone $this);
- }
- if (null === $this->container || !$this->container->has($middleware)) {
- throw new InvalidArgumentException(
- sprintf('The middleware is not a valid %s and is not passed in the Container', MiddlewareInterface::class),
- $middleware
- );
- }
- array_unshift($this->middleware, $this->container->get($middleware));
- return $this->handle($request);
- }
- }
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