/*
 * Copyright (c) 1997.  Netscape Communications Corporation.  All
 * rights reserved.
 *
 * Add a new entry to the directory.
 *
 * Since it is an error to attempt to add an entry which already exists,
 * you cannot run this example program twice in a row.  You can use the
 * del.java example program to delete the entry which this example adds.
 *
 */
package com.chat;
import netscape.ldap.*;
import java.util.*;
import java.io.*;
import com.chat.LoginServlet;

public class Add {
    public Add()
    {
        /* Specify the DN we're adding */

        String dn = "uid, ou=People, o=Airius.com";

        /* Specify the attributes of the entry */

        // THIS STATEMENT DOES NOT EXECUTE


        System.out.println("1");
        String objectclass_values[] = { "top",
                                        "person",
                                        "organizationalPerson",
                                        "inetOrgPerson" };
        String cn_values[] = { "William B Jensen",
                               "William Jensen",
                               "Bill Jensen" };*/
        String sn_values[] = { "Jensen" };
        String givenname_values[] = { "William", "Bill" };
        String telephonenumber_values[] = { "+1 415 555 1212" };

        LDAPAttributeSet attrs = new LDAPAttributeSet();
        LDAPAttribute attr = new LDAPAttribute( "objectclass" );

        for( int i = 0; i < objectclass_values.length; i++ )
        {
            attr.addValue( objectclass_values[i] );
        }
        attrs.add( attr );


        attrs.add( new LDAPAttribute( "uid") );

        /* Create an entry with this DN and these attributes */

        LDAPEntry myEntry = new LDAPEntry( dn, attrs );

        LDAPConnection ld = null;
        int status = -1;
        try {
            ld = new LDAPConnection();
            /* Connect to server */
            String MY_HOST = "localhost";
            int MY_PORT = 389;
            ld.connect( MY_HOST, MY_PORT );

            /* Authenticate to the server as directory manager */
            String MGR_DN = "dc=monarch,dc=com";
            String MGR_PW = "ali";
            ld.authenticate( MGR_DN, MGR_PW );
            System.out.println("Entry established");

            /* Now add the entry to the directory */
            ld.add( myEntry );
            System.out.println( "Entry added"  );
            System.out.println("Entry established1111");
            }
        catch( LDAPException e ) {
            if ( e.getLDAPResultCode() == LDAPException.ENTRY_ALREADY_EXISTS )
                System.out.println( "Error: Entry already present" );
            else
                System.out.println( "Error: " + e.toString()+"AA che error" );
                                    }


        }

    }

package it.com.chat.java;

import java.io.*;
import java.sql.*;
import javax.servlet.ServletException;
import javax.servlet.http.*;
import javax.swing.*;
import it.com.chat.Chatter;
import it.com.chat.ChatRoomList;
import it.com.chat.ChatRoom;


public class LoginServlet extends HttpServlet
{
    boolean flag = false;
    String s1,s2;
    int i = 1800;

    public void doGet(HttpServletRequest req, HttpServletResponse res)
            throws ServletException, IOException
     {
         doPost(req,res);
     }
    public void doPost(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse)
        throws ServletException, IOException
    {

        String s = "jdbc:odbc:chat";
        contextPath = httpservletrequest.getContextPath();
        s1 = httpservletrequest.getParameter("nickname");
        s2 = httpservletrequest.getParameter("pwd");
        System.out.println(s1);
        System.out.println(s2);

        s1 = s1.trim().toLowerCase();
        if(s2.length() > 0)
            s2 = s2.trim().toLowerCase();
        try
        {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            Connection connection = DriverManager.getConnection(s);
            Statement statement = connection.createStatement();
            for(ResultSet resultset = statement.executeQuery("select * from Login"); resultset.next();)
            {

                String s3 = resultset.getString(1);
                String s4 = resultset.getString(2);
                if(s1.equals(s3) && s2.equals(s4))
                {
                    flag = true;
                 }

            }
          }//try ends here

         catch(SQLException sqlexception)
         {
             System.out.println("Error...." + sqlexception);
         }
         catch(ClassNotFoundException classnotfoundexception)
         {
             System.out.println("Error...." + classnotfoundexception);
         }


            out = new ObjectOutputStream(httpservletresponse.getOutputStream());
            out.writeBoolean(flag);
            out.flush();
            out.close();


             if(flag=true)
              {
                try
                {

                       System.out.println("Control is here now...");
                       ChatRoomList chatroomlist = (ChatRoomList)getServletContext().getAttribute("chatroomlist");
                     boolean flag1 = chatroomlist.chatterExists(s1);

                     //HERES WHERE THE CODE IS PLACED TO ADD THE ENTRIES TO THE LDAP SERVER
                     //THE OBJECT OF ADD.JAVA CLASS WHICH IS CALLED
                        if(flag1)
                           {
                               JOptionPane.showMessageDialog(null,"U have already Login......","Information",JOptionPane.INFORMATION_MESSAGE);
                           }
                           else
                           {
                               httpsession = httpservletrequest.getSession(true);

                              String s2 = getServletContext().getInitParameter("sessionTimeout");

                               if(s2 != null)
                            try
                            {
                                     i = Integer.parseInt(s2);
                                       i *= 60;
                            }
                            catch(NumberFormatException numberformatexception) { }

                        }
                       httpsession.setMaxInactiveInterval(i);
                    httpsession.setAttribute("nickname", s1);
                    ChatRoom chatroom = chatroomlist.getRoom("StartUp");
                    s1 = s1.toLowerCase();
                    Chatter chatter = null;
                      chatter = new Chatter(s1);
                    chatroom.addChatter(chatter);

                    ChatRoom chatRoom = null;
                    Chatter[] chatters = chatRoom.getChattersArray();
                    out = new ObjectOutputStream(httpservletresponse.getOutputStream());
                    out.writeObject(chatters);
                    out.flush();
                    out.close();

               }//try ends
                    catch(Exception exception)
                         {
                                  System.out.println("Exception thrown in LoginServlet: " + exception.getMessage());
                                   exception.printStackTrace();
                           }
                }//if ends here
                else
                {
                    JOptionPane.showMessageDialog(null,"Server is saying that Invalid User","Information",JOptionPane.INFORMATION_MESSAGE);
                }

    }//do post ends here

    private final void _mththis()
    {
        contextPath = "";
    }

    public LoginServlet()
    {
        _mththis();
    }

    private String contextPath;
    ObjectOutputStream out=null;
    HttpSession httpsession;

}