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<?php
/* --------------------------------------------------------------
   HttpService.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('HttpServiceInterface');

/**
 * Class HttpService
 *
 * @category   System
 * @package    Http
 * @implements HttpServiceInterface
 */
class HttpService implements HttpServiceInterface
{
    /**
     * @var AbstractHttpContextFactory
     */
    protected $httpContextFactory;

    /**
     * @var HttpDispatcherInterface
     */
    protected $httpDispatcher;


    /**
     * Initializes the http service.
     *
     * @param AbstractHttpContextFactory $httpContextFactory Factory instance to create context objects.
     * @param HttpDispatcherInterface    $httpDispatcher     Instance to dispatch the http response message.
     */
    public function __construct(AbstractHttpContextFactory $httpContextFactory, HttpDispatcherInterface $httpDispatcher)
    {
        $this->httpContextFactory = $httpContextFactory;
        $this->httpDispatcher     = $httpDispatcher;
    }


    /**
     * Creates and returns a new instance of an http context object.
     *
     * @return HttpContextInterface
     */
    public function getHttpContext()
    {
        return $this->httpContextFactory->create();
    }


    /**
     * Handles the current http request by the given context.
     *
     * @param HttpContextInterface $httpContext Context object which holds information about the current request.
     */
    public function handle(HttpContextInterface $httpContext)
    {
        try
        {
            $this->httpDispatcher->dispatch($httpContext);
        }
        catch(MissingControllerNameException $e)
        {
            // @todo Display error 404 "Page not found" to user.
            // do nothing?
        }
    }
}