BE THE CODER > Java > LDAP Directory Access > Login to LDAP Directory as Anonymous 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 Anonymous user. This may not work with all LDAP servers as some LDAP servers doesn't allow Anonymous logins.

File Name :	com/bethecoder/tutorials/ldap/LoginAnonymousTest.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 LoginAnonymousTest {



  /**

   * @param args

   */

  public static void main(String[] args) {



    //Setup the environment to login as anonymous user

    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/dc=test,dc=com");



    DirContext dirContext = null;

    

    try {

      dirContext = new InitialDirContext(environment);

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

    } catch (NamingException e) {

      e.printStackTrace();

    } finally {

      if (dirContext != null) {

        try {

          dirContext.close();

        } catch (Exception e) {

        }

      }

    }



  }



}