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<?php
/* --------------------------------------------------------------
HttpDispatcher.inc.php 2015-03-12 gm
Gambio GmbH
http://www.gambio.de
Copyright (c) 2015 Gambio GmbH
Released under the GNU General Public License (Version 2)
[http://www.gnu.org/licenses/gpl-2.0.html]
--------------------------------------------------------------
*/
MainFactory::load_class('HttpDispatcherInterface');
/**
* Class HttpDispatcher
*
* @category System
* @package Http
* @implements HttpDispatcherInterface
*/
class HttpDispatcher implements HttpDispatcherInterface
{
/**
* @var HttpContextReaderInterface
*/
protected $httpContextReader;
/**
* @var HttpViewControllerFactoryInterface
*/
protected $httpViewControllerFactory;
/**
* Initializes the http dispatcher.
*
* @param HttpContextReaderInterface $httpContextReader
* @param HttpViewControllerFactoryInterface $httpViewControllerFactory
*
* @throws MissingControllerNameException If no controller is found.
*/
public function __construct(HttpContextReaderInterface $httpContextReader,
HttpViewControllerFactoryInterface $httpViewControllerFactory)
{
$this->httpContextReader = $httpContextReader;
$this->httpViewControllerFactory = $httpViewControllerFactory;
}
/**
* Dispatches the current http request.
* If the http request is valid and can get handled by a controller class, the controllers ::proceed
* method is invoked by the dispatcher. Otherwise, the method will throw a missing controller name exception.
*
* @param HttpContextInterface $httpContext Object which holds information about the current http context.
*
* @throws MissingControllerNameException When the http request context is invalid.
*/
public function dispatch(HttpContextInterface $httpContext)
{
$controllerName = $this->httpContextReader->getControllerName($httpContext);
if(empty($controllerName))
{
throw new MissingControllerNameException('No controller name found in given HttpContext');
}
$controller = $this->httpViewControllerFactory->createController($controllerName);
if($controller instanceof AdminStatusOnlyInterface)
{
$controller->validateCurrentAdminStatus();
}
$controller->proceed($httpContext);
}
}