BE THE CODER > Java > LDAP Directory Access > Login to LDAP Directory as Specified User

LDAP (Lightweight Directory Access Protocol) is based on X.500 standard. Its a hierarchical data structure with Entries organized in a tree like structure called Directory Information Tree (DIT). The following example shows how to login to LDAP Directory as specified user.

File Name :	com/bethecoder/tutorials/ldap/LoginUserTest.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.ldap;



import java.util.Hashtable;



import javax.naming.Context;

import javax.naming.NamingException;

import javax.naming.directory.DirContext;

import javax.naming.directory.InitialDirContext;



public class LoginUserTest {



  /**

   * @param args

   */

  public static void main(String[] args) {



    //Setup the environment to login as 'uid=sram'

    String userDN = "uid=sram,ou=home_team,ou=People,dc=test,dc=com";

    String userPWD = "abcd1234";

    

    Hashtable<String, String> environment = new Hashtable<String, String>();

    environment.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");

    environment.put(Context.PROVIDER_URL, "ldap://localhost:389");

    environment.put(Context.SECURITY_AUTHENTICATION, "simple");

    environment.put(Context.SECURITY_PRINCIPAL, userDN);

    environment.put(Context.SECURITY_CREDENTIALS, userPWD);



    DirContext dirContext = null;

    

    try {

      dirContext = new InitialDirContext(environment);

      System.out.println("Connection established as user");



    } catch (NamingException e) {

      e.printStackTrace();

    } finally {

      if (dirContext != null) {

        try {

          dirContext.close();

        } catch (Exception e) {

        }

      }

    }

  }



}