@Override
public void clear() {
if (sftp != null)
try {
sftp.close();
} catch (IOException e) {
Throwables.propagate(e);
}
}
@Override
public void close() throws IOException {
super.close();
if (sftp != null) sftp.close();
}
@Override
public void clear() throws IOException {
if (sftp != null) sftp.close();
}