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package com.Servlet;

import static com.sun.corba.se.spi.presentation.rmi.StubAdapter.request;
import java.sql.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;
import javax.servlet.RequestDispatcher;
import javax.sql.DataSource;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Jony
 */
public class LoginServlet extends HttpServlet {

    private static Object request;

    public static void main(String[] args) throws SQLException, ClassNotFoundException {
        Connection connection = null;
        Statement stmt = null;


        try {
            //STEP 2: Register JDBC driver
            Class.forName("com.mysql.jdbc.Driver");
        } catch (Exception e) {
        }
        //STEP 3: Open a connection
        System.out.println("Connecting to database...");
        connection = DriverManager
                .getConnection("jdbc:mysql://localhost:3306/user_pass", "root", "zeitoun");

        //STEP 4: Execute a query
        System.out.println("Creating statement...");
        stmt = connection.createStatement();
        String sql;
        sql = "SELECT username, password FROM information";
        ResultSet rs = stmt.executeQuery(sql);

        while (rs.next()) {
            //retrieve by column name
            String usernamedb = rs.getString("username");
            String passworddb = rs.getString("password");

            if (usernamedb.equals(inputUsername) && passworddb.equals(inputPassword)) {
                System.out.println("Login successful " + usernamedb + " " + passworddb);
            } else {
                System.out.println("Login failed " + usernamedb + " " + passworddb);
            }

        }

    }

    /**
     *
     * @param request
     * @param response
     * @throws ServletException
     * @throws IOException
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

      PrintWriter out = response.getWriter();
      String title = "Welcome";
      String docType =
      "<!doctype html public "-//w3c//dtd html 4.0 " +
      "transitional//en">n";
      out.println(docType + title);

      String inputUsername = request.getParameter("Name");
      String inputPassword = request.getParameter("Pass");
    }
}