import org.opends.sdk.Connection;
import org.opends.sdk.ConnectionFactory;
import org.opends.sdk.Connections;
import org.opends.sdk.LDAPConnectionFactory;
import org.opends.sdk.LDAPOptions;
import org.opends.sdk.requests.BindRequest;
import org.opends.sdk.requests.PasswordModifyExtendedRequest;
import org.opends.sdk.requests.Requests;
import org.opends.sdk.responses.PasswordModifyExtendedResult;

/**
 * @author Sachin Handiekar
 */
public class LDAPChangePassword {

 public static void main(String[] args) throws Exception {

  final String hostName = "<<<HOSTNAME>>";
  final int port = 2389;
  final String bindUserName = "<< BIND USERNAME >>"; // BIND USER NAME (for ex. cn=adminstrator )
  final String password = "<< PASSWORD >>";

  LDAPOptions options = new LDAPOptions();

  ConnectionFactory connFactory = new LDAPConnectionFactory(hostName, port, options);

                // Simple Bind Request
  BindRequest bindRequest = Requests.newSimpleBindRequest(bindUserName, password.toCharArray());


  if (bindRequest != null) {
   connFactory = Connections.newAuthenticatedConnectionFactory(connFactory, bindRequest);
  }

  Connection connection = connFactory.getConnection();

  System.out.println("Got a Connection : " + connection);

  final String USER_CN_PATH = ",cn=Users,dc=sample,dc=com";
  String userName = "JohnDoe";
  String userIdentity = "cn="+  userName + USER_CN_PATH;


  String newPassword = "NewPassword";

  // Password Modify Request
  PasswordModifyExtendedRequest passwordModifyRequest = Requests.newPasswordModifyExtendedRequest();

  passwordModifyRequest.setUserIdentity(userIdentity);
  passwordModifyRequest.setNewPassword(newPassword.toCharArray());

  PasswordModifyExtendedResult result = (PasswordModifyExtendedResult) connection.extendedRequest(passwordModifyRequest);

  System.out.println("Result Code : " + result.getResultCode());

  // Closing the connection
  connection.close();

 }

}