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ClosureDecoratorMiddleware.php
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ClosureDecoratorMiddleware.php
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<?php
declare(strict_types=1);
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 4.0.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Http\Middleware;
use Closure;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
/**
* Decorate closures as PSR-15 middleware.
*
* Decorates closures with the following signature:
*
* ```
* function (
* ServerRequestInterface $request,
* RequestHandlerInterface $handler
* ): ResponseInterface
* ```
*
* such that it will operate as PSR-15 middleware.
*/
class ClosureDecoratorMiddleware implements MiddlewareInterface
{
/**
* A Closure.
*
* @var \Closure
*/
protected Closure $callable;
/**
* Constructor
*
* @param \Closure $callable A closure.
*/
public function __construct(Closure $callable)
{
$this->callable = $callable;
}
/**
* Run the callable to process an incoming server request.
*
* @param \Psr\Http\Message\ServerRequestInterface $request Request instance.
* @param \Psr\Http\Server\RequestHandlerInterface $handler Request handler instance.
* @return \Psr\Http\Message\ResponseInterface
*/
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
{
return ($this->callable)(
$request,
$handler
);
}
/**
* @internal
* @return \Closure
*/
public function getCallable(): Closure
{
return $this->callable;
}
}