/**
* Instanciator for the singleton
*
* @param string $route_file
* @param Application $app;
* @return Router
*/
public static function getInstance($route_file = null, $app = null)
{
if (!self::$_instance) {
if (!$app) {
throw new \Exception("Router needs an Application instance to be initialized.");
}
self::$_instance = new Router($app);
if ($route_file) {
self::$_instance->load($route_file);
}
}
return self::$_instance;
}
