/**
* Get a driver instance according the given scheme.
*
* @param null|string $protocolCode
* @param string $driverClass
* @return DriverInterface
* @throws FilesystemException
*/
public function get($protocolCode = null, $driverClass = null)
{
if (!$driverClass) {
$driverClass = $protocolCode ? $this->directoryList->getProtocolConfig($protocolCode)['driver'] : '\\Magento\\Framework\\Filesystem\\Driver\\File';
}
if (!isset($this->drivers[$driverClass])) {
$this->drivers[$driverClass] = new $driverClass();
if (!$this->drivers[$driverClass] instanceof DriverInterface) {
throw new FilesystemException("Invalid filesystem driver class: " . $driverClass);
}
}
return $this->drivers[$driverClass];
}
