public static function fullBaseUrl($base = null)
    {
        if ($base !== null) {
            static::$_fullBaseUrl = $base;
            Configure::write('App.fullBaseUrl', $base);
        }
        if (empty(static::$_fullBaseUrl)) {
            static::$_fullBaseUrl = Configure::read('App.fullBaseUrl');
        }

        return static::$_fullBaseUrl;
    }