Simple Login Screen using LDAP in GWT -

hi friends,

i have simple login authentication using ldap in gwt. had done in java.but don't know implement same in gwt. me if knows...
pasted here java source here :

package com.ldap.test; import java.util.*; import javax.naming.*; import javax.naming.directory.*; public class ldaptest {      @suppresswarnings("unchecked")     public static void main(string[] args) {           try {             @suppresswarnings("rawtypes")             hashtable env = new hashtable();             env.put(context.initial_context_factory,                      "com.sun.jndi.ldap.ldapctxfactory");             env.put(context.provider_url,                      "ldap://localhost:389"); //replace server url/ip                      //only digest-md5 works our windows active directory             env.put(context.security_authentication,                      "simple"); //no other sals worked me             env.put(context.security_principal,                     "uid=karthick,ou=users,ou=system"); // specify username let microsoft happy             env.put(context.security_credentials, "karthick");   //the password              dircontext ctx = new initialdircontext(env);              ctx.close();     enter code here           } catch(namingexception ne) {             system.out.println("error authenticating user:");             system.out.println(ne.getmessage());             return;         }            //if no exception, user authenticated.           system.out.println("ok, authenticating user");         }  } 

// samething have in gwt..

implement remote servlet service, pass username , credentials service through asynchronous callback in client side. above code can work implementation.