/**
* Get a exporter driver instance
*
* @param string $type The type to get (yml, xml, etc.)
* @param string $source The directory where the exporter will export to
* @return AbstractExporter $exporter
*/
public function getExporter($type, $source = null)
{
if (!isset($this->_exporterDrivers[$type])) {
throw DoctrineException::invalidExporterDriverType($type);
}
$class = $this->_exporterDrivers[$type];
return new $class($source);
}