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<?php
/* --------------------------------------------------------------
   HttpServiceFactory.inc.php 2016-07-18
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2016 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

MainFactory::load_class('HttpServiceFactoryInterface');

/**
 * Class HttpFactory
 *
 * @category   System
 * @package    Http
 * @subpackage Factories
 * @implements HttpServiceFactoryInterface
 */
class HttpServiceFactory implements HttpServiceFactoryInterface
{
    /**
     * Creates a new instance of the http service.
     *
     * @return HttpServiceInterface
     */
    public function createService()
    {
        $httpContextFactory = $this->_createAbstractHttpContextFactory();
        $httpDispatcher     = $this->_createHttpDispatcher();

        return MainFactory::create('HttpService', $httpContextFactory, $httpDispatcher);
    }


    /**
     * Creates and returns a new instance of the environment http view controller registry factory.
     *
     * @return EnvironmentHttpViewControllerRegistryFactory
     */
    protected function _createAbstractHttpViewControllerRegistryFactory()
    {
        $dataCache = DataCache::get_instance(); 
        $classFinderSettings = MainFactory::create('EnvironmentClassFinderSettings');
        $classFinder = MainFactory::create('ClassFinder', $classFinderSettings, $dataCache);
        
        return MainFactory::create('EnvironmentHttpViewControllerRegistryFactory', $classFinder);
    }


    /**
     * Creates and returns a new instance of the environment http context factory.
     *
     * @return EnvironmentHttpContextFactory
     */
    protected function _createAbstractHttpContextFactory()
    {
        return MainFactory::create('EnvironmentHttpContextFactory');
    }


    /**
     * Creates and returns a new instance of the http dispatcher.
     *
     * @return HttpDispatcherInterface
     */
    protected function _createHttpDispatcher()
    {
        $httpContextReader         = $this->_createHttpContextReader();
        $httpViewControllerFactory = $this->_createHttpViewControllerFactory();

        return MainFactory::create('HttpDispatcher', $httpContextReader, $httpViewControllerFactory);
    }


    /**
     * Creates and returns a new instance of the http context reader.
     *
     * @return HttpContextReaderInterface
     */
    protected function _createHttpContextReader()
    {
        return MainFactory::create('HttpContextReader');
    }


    /**
     * Creates and returns a new instance of the http response processor.
     *
     * @return HttpResponseProcessorInterface
     */
    protected function _createHttpResponseProcessor()
    {
        return MainFactory::create('HttpResponseProcessor');
    }


    /**
     * Creates and returns a new instance of the http view controller factory.
     *
     * @return HttpViewControllerFactoryInterface
     */
    protected function _createHttpViewControllerFactory()
    {
        $httpViewControllerRegistryFactory = $this->_createAbstractHttpViewControllerRegistryFactory();
        $httpViewControllerRegistry        = $httpViewControllerRegistryFactory->create();

        $httpContextReader     = $this->_createHttpContextReader();
        $httpResponseProcessor = $this->_createHttpResponseProcessor();

        return MainFactory::create('HttpViewControllerFactory',
                                   $httpViewControllerRegistry,
                                   $httpContextReader,
                                   $httpResponseProcessor);
    }
}