/**
* Gets url from config. Prepends root url.
* Traverses config by class namespace under Csfd.
* @param string $key
* @param array $args
* @throws \Csfd\InternalException
* @return string url
*/
protected function getUrl($key, array $args = NULL)
{
if (!$this->urlBuilder) {
throw new InternalException('UrlBuilder not set, call self::setUrlBuilder.');
}
$path = $this->getConfigKeys();
array_push($path, $key);
return $this->urlBuilder->get($path, $args);
}
