B4J Question NTLM again, now with 8.90

Sub Process_Globals
    Private MainForm As Form
    Private TextFieldPW As TextField
    Private TextFieldTParams As TextField
    
End Sub

Sub AppStart (Form1 As Form, Args() As String)
    MainForm = Form1
    MainForm.RootPane.LoadLayout("Login") 'Load the layout file.
    MainForm.Show
    Dim NTLMAuthenticator As JavaObject
    NTLMAuthenticator.InitializeNewInstance("b4j.example.main$NTLMAuthenticator", Array("user name", "password", "domain", "workstation"))
    Dim jo As JavaObject = HttpUtils2Service.hc
    Dim builder As JavaObject = jo.RunMethod("sharedInit", Array("hc"))
    builder.RunMethod("authenticator", Array(NTLMAuthenticator))
    jo.SetField("client", builder.RunMethod("build", Null))
End Sub

#if JAVA
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.Proxy;
import java.util.List;

import org.apache.http.impl.auth.NTLMEngine;
import org.apache.http.impl.auth.NTLMEngineException;
import org.apache.http.impl.auth.NTLMScheme;

import anywheresoftware.b4h.okhttp.OkHttpClientWrapper;

import okhttp3.Authenticator;
import okhttp3.Credentials;
import okhttp3.JavaNetCookieJar;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Request.Builder;
import okhttp3.RequestBody;
import okhttp3.Response;
import okhttp3.Route;
import okhttp3.internal.Util;
import okhttp3.internal.http.RequestLine;
  
   
   public static class NTLMAuthenticator implements Authenticator {
    final NTLMEngine engine;
    private final String domain;
    private final String username;
    private final String password;
    private final String ntlmMsg1;
    private final String workstation;

    public NTLMAuthenticator(String username, String password, String domain, String workstation) throws Exception {
        this.domain = domain;
        this.username = username;
        this.workstation = workstation;
        this.password = password;
        NTLMScheme scheme = new NTLMScheme();
        Field f = scheme.getClass().getDeclaredField("engine");
        f.setAccessible(true);
        engine = (NTLMEngine)f.get(scheme);
        String localNtlmMsg1 = null;
             localNtlmMsg1 = engine.generateType1Msg(domain, workstation);
        ntlmMsg1 = localNtlmMsg1;
    }

    @Override
    public Request authenticate(Route route, Response response) throws IOException {
        final List<String> WWWAuthenticate = response.headers().values("WWW-Authenticate");
        if (WWWAuthenticate.contains("NTLM")) {
            return response.request().newBuilder().header("Authorization", "NTLM " + ntlmMsg1).build();
    }
    String ntlmMsg3 = null;
  try {
         ntlmMsg3 = engine.generateType3Msg(username, password, domain, workstation, WWWAuthenticate.get(0).substring(5));
       } catch (NTLMEngineException e) {
         throw new RuntimeException(e);
       }
    return response.request().newBuilder().header("Authorization", "NTLM " + ntlmMsg3).build();
    }

   }
   
#end if