/**
* Attempt to turn a relative URI into an absolute URI
*/
protected function _absolutiseUri($link, $uri = null)
{
if (!URI\URL::validate($link)) {
if (!is_null($uri)) {
$uri = new URI\URL($uri);
if ($link[0] !== '/') {
$link = $uri->getPath() . '/' . $link;
}
$link = $uri->getScheme() . '://' . $uri->getHost() . '/' . $this->_canonicalizePath($link);
if (!URI\Zend\Uri\Uri::check($link)) {
$link = null;
}
}
}
return $link;
}
/**
* Notifies a single Hub Server URL of changes
*
* @param string $url The Hub Server's URL
* @return void
* @throws \Zend\Feed\PubSubHubbub\Exception Thrown on failure
*/
public function notifyHub($url)
{
if (empty($url) || !is_string($url) || !URI\Zend\Uri\Uri::check($url)) {
throw new Exception('Invalid parameter "url"' . ' of "' . $url . '" must be a non-empty string and a valid' . 'URL');
}
$client = $this->_getHttpClient();
$client->setUri($url);
$response = $client->request();
if ($response->getStatus() !== 204) {
throw new Exception('Notification to Hub Server ' . 'at "' . $url . '" appears to have failed with a status code of "' . $response->getStatus() . '" and message "' . $response->getMessage() . '"');
}
}
