/**
* Transform zone to file
*
* @return string
* @throws \Jeboehm\Lampcp\ZoneGeneratorBundle\Exception\NoSoaRecord
* @throws \Jeboehm\Lampcp\ZoneGeneratorBundle\Exception\NSNotFound
* @throws \Jeboehm\Lampcp\ZoneGeneratorBundle\Exception\NoResourceRecords
*/
public function transform()
{
$ns_origin = false;
if (!$this->_collection->getSoa()) {
throw new NoSoaRecord();
}
if ($this->_collection->count() < 1) {
throw new NoResourceRecords();
}
foreach ($this->_collection->getByType('NS') as $rr) {
if ($rr->getName() == '@') {
$ns_origin = true;
}
}
if (!$ns_origin) {
throw new NSNotFound();
}
return $this->_createZone();
}
