Ldap

package teste;

import java.util.Hashtable;

import javax.naming.AuthenticationException;
import javax.naming.AuthenticationNotSupportedException;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;

public class TesteLdap {

	public static void main(String[] args) {

		String user = 	"USUARIO_DA_MAQUINA";
		String senha = "SENHA_DA_MAQUINA";
		String url = "ldap://localhost:389";
		String atributosConexao = "cn=" + user + ",dc=nodomain";
		Hashtable env = new Hashtable();
		env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
		env.put(Context.PROVIDER_URL, url);
		env.put(Context.SECURITY_AUTHENTICATION, "simple");
		env.put(Context.SECURITY_PRINCIPAL, atributosConexao);
		env.put(Context.SECURITY_CREDENTIALS, senha);

		try {
			DirContext ctx = new InitialDirContext(env);
			System.out.println("connected");
			System.out.println(ctx.getEnvironment());
			
			// do something useful with the context...

			ctx.close();

		} catch (AuthenticationNotSupportedException ex) {
			System.out.println("The authentication is not supported by the server");
		} catch (AuthenticationException ex) {
			System.out.println("incorrect password or username");
		} catch (NamingException ex) {
			System.out.println("error when trying to create the context");
		}
		    }
}