class RouterFactory extends Nette\Object
{

    /**
     * @return \Nette\Application\Routers\RouteList
     */
    public function create()
    {
        $router = new RouteList;

        $this->createAdmin($router);
        $this->createApi($router);
        $this->createPayment($router);
        $this->createFront($router);
        // ...

        $router[] = new Route('<module>/<presenter>/<action>', array(
            'module' => 'Front',
            'presenter' => 'Welcome',
            'action' => 'default'
        ));

        return $router;
    }

    protected function createAdmin(RouteList $router)
    {
        $router[] = $admin = new RouteList('Admin');
        $admin[] = new Route('admin/<presenter>/<action>', 'Dashboard:default');
    }

    protected function createFront(RouteList $router)
    {
        $router[] = $payment = new RouteList('Front');
        // ...
    }

    protected function createPayment(RouteList $router)
    {
        $router[] = $payment = new RouteList('Payment');
        // ...
    }

    // ...

}