/**
* Constructor
*
* @param integer $max_age
*/
private function __construct($max_age = 86400)
{
// initialize services map
$this->services = new ICE_Map();
// add google always (for now)
$this->add_google();
// set up export
$this->export = new ICE_Export('webfont', 'json', array($this, 'update'));
// try to refresh
$this->export->refresh(time() - $max_age);
}
