}
        connection.connect();
        connected = true;
    }

    private void handshake() throws IOException {
        if (handshakeComplete) {
            return;
        }
        doHandshake();
        handshakeComplete = true;
    }

    @Override
    public URL getURL() {
        return connection.getURL();
    }

    @Override
    public int getContentLength() {

        this.connection.connect();
        this.connected = true;
    }

    private void handshake() {
        if (this.handshakeComplete) {
            return;
        }
        try {
            doHandshake();
        } catch (IOException | GeneralSecurityException e) {
            throw new RuntimeCIFSException("NTLM handshake failed", e);
        }
        this.handshakeComplete = true;
    }

    @Override