* @throws IOException
*/
public synchronized SftpFile openDirectory(String path)
throws IOException {
String absolutePath = getAbsolutePath(path);
UnsignedInteger32 requestId = nextRequestId();
SubsystemMessage msg = new SshFxpOpenDir(requestId, absolutePath);
sendMessage(msg);
byte[] handle = getHandleResponse(requestId);
requestId = nextRequestId();