/**
 * Function to convert an internal URI to a route
 *
 * @param   string  $url  The internal URL
 *
 * @return  Uri  The absolute search engine friendly URL
 *
 * @since   1.5
 */
public function build($url)
{
    // Create the URI object
    $uri = parent::build($url);
    // Get the path data
    $route = $uri->getPath();
    // Add basepath to the uri
    $uri->setPath(Uri::root(true) . '/' . basename(JPATH_ADMINISTRATOR) . '/' . $route);
    return $uri;
}