silverstripe-framework/src/Control/Middleware/RequestHandlerMiddlewareAdapter.php

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<?php
namespace SilverStripe\Control\Middleware;
use SilverStripe\Control\HTTPRequest;
use SilverStripe\Control\RequestHandler;
use SilverStripe\Dev\Debug;
/**
* Decorates a request handler with the HTTP Middleware pattern
*/
class RequestHandlerMiddlewareAdapter extends RequestHandler
{
use HTTPMiddlewareAware;
/**
* @var RequestHandler
*/
protected $requestHandler = null;
public function __construct(RequestHandler $handler = null)
{
if ($handler) {
$this->setRequestHandler($handler);
}
parent::__construct();
}
public function Link($action = null)
{
return $this->getRequestHandler()->Link($action);
}
/**
* @return RequestHandler
*/
public function getRequestHandler()
{
return $this->requestHandler;
}
/**
* @param RequestHandler $requestHandler
* @return $this
*/
public function setRequestHandler(RequestHandler $requestHandler)
{
$this->requestHandler = $requestHandler;
return $this;
}
public function handleRequest(HTTPRequest $request)
{
return $this->callMiddleware($request, function (HTTPRequest $request) {
$this->setRequest($request);
return $this->getRequestHandler()->handleRequest($request);
});
}
}