Login Servlet

PHOTO EMBED

Sun Nov 03 2024 16:33:59 GMT+0000 (Coordinated Universal Time)

Saved by @login123 

package com.example;

import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet(description = "Checks the hard coded UserName and Password by the user credentials", urlPatterns = { "/LoginServletNew" })
public class LoginServletNew extends HttpServlet {
private static final long serialVersionUID = 1L;
private final String validUsername = "Ramesh";
   private final String validPassword = "chand#123";
   public LoginServletNew() {
       super();
       System.out.println("Servlet Constructor is called once @ instantiation");
   }

   @Override
   protected void doPost(HttpServletRequest request, HttpServletResponse response)
           throws ServletException, IOException {


       String username = request.getParameter("username");
       String password = request.getParameter("password");


       if (validUsername.equals(username) && validPassword.equals(password)) {

           response.setContentType("text/html");
           PrintWriter out = response.getWriter();
           

           SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
           Date date = new Date();
           
           out.println("<html><body>");
           out.println("<h1>Welcome, " + username + "!</h1>");
           out.println("<p>Current Date and Time: " + formatter.format(date) + "</p>");
           out.println("</body></html>");
       } else {
     
           response.setContentType("text/html");
           PrintWriter out = response.getWriter();
           out.println("<html><body>");
           out.println("<h1>Invalid username or password!</h1>");
           out.println("<a href=\"LoginServletNew.html\">Try Again</a>");
           out.println("</body></html>");
       }
   }

}

<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
   <h2>Login Page</h2>
   <form action="LoginServletNew" method="post">
       <label for="username">Username:</label>
       <input type="text" id="username" name="username" required><br><br>
       <label for="password">Password:</label>
       <input type="password" id="password" name="password" required><br><br>
       <input type="submit" value="Login">
   </form>
</body>
</html>\
content_copyCOPY