Symfony2 RouteLoader for GoogleApiBundle

RouteLoader.php

<?php 

namespace **\GoogleApiBundle\Routing;
 
use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\Config\Loader\LoaderResolverInterface;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;

use GoogleApi\Client;
use GoogleApi\Contrib;
 
class RouteLoader implements LoaderInterface
{
    private $loaded = false;
    
    private $libdir = '/web/Symfony/vendor/evert/google-api-php-client/src/GoogleApi/Contrib';
    
    private $skip = array(
 		'.', '..', 'apiAdsenseService.php', 'apiAnalyticsService.php', 'apiGanService.php',
 		'apiOrkutService.php', 'apiPagespeedonlineService.php', 'apiPlusService.php' 
 	);
 	
 	public function getServiceResources($apiService) {
 		$properties = get_object_vars($apiService);
 		$serviceResources = array();
 		foreach($properties as $p) {
 			if(is_object($p) && is_subclass_of($p, '\GoogleApi\\Service\\ServiceResource')) {
 				$serviceResources[] = $p;
 			}
 		}
 		return $serviceResources;
 	}
 	
    public function load($resource, $type = null)
    {
        if (true === $this->loaded) {
            throw new \RuntimeException('Do not add this loader twice');
        }
        
        $routes = new RouteCollection();
        $client = new Client();
        
        $apiServices = scandir($this->libdir);
        
 		foreach($apiServices as $apiService) {
 		if(!in_array($apiService, $this->skip)) {
 			$className = 'GoogleApi\\Contrib\\' . str_replace('.php', '', $apiService);
 			$apiService = new $className($client);
 			$stem = $apiService->restBasePath;
 			
 			$properties = get_object_vars($apiService);
 			
 			$serviceResources = array();
 			foreach($properties as $p) {
 				if(is_object($p) && is_subclass_of($p, '\GoogleApi\\Service\\ServiceResource')) {
 					$serviceResources[] = $p;
 				}
 			}
 			
 			$resourceMethods = array();
 			foreach($serviceResources as $serviceResource) {
 				$methods = $serviceResource->getMethods();
 				foreach($methods as $name => $method) {
 					if(is_array($method) && array_key_exists('id', $method) && array_key_exists('path', $method) && array_key_exists('httpMethod', $method)) {
 					
 						$name = 'googleApi.' . $method['id'];
 						$pattern = $stem . $method['path'];
 					
        				$defaults = array(
            				'_controller' => '**GoogleApiBundle:Default:extraRoute',
        				);
        				$requirements = array(
        					'_method' => $method['httpMethod'],
        				);
        			
        				$route = new Route($pattern, $defaults, $requirements);
        				$routes->add($name, $route);
 					}
 				}
 			}
 		}
        }
 
        return $routes;
    }
 
    public function supports($resource, $type = null)
    {
        return 'extra' === $type;
    }
 
    public function getResolver()
    {
    }
 
    public function setResolver(LoaderResolverInterface $resolver)
    {
    }
}