Session Management With Cookies

PHOTO EMBED

Mon Nov 04 2024 05:25:49 GMT+0000 (Coordinated Universal Time)

Saved by @login123 

Cookie servlet1

package work1;



import java.io.IOException;
import java.io.PrintWriter;

import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class CookieServlet1      */

@WebServlet("/Cookie1")
public class CookieServlet1 extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    
    public CookieServlet1() {
        super();
        // TODO Auto-generated constructor stub
    }

	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.getWriter().append("Served at: ").append(request.getContextPath());
	
		response.setContentType("text/html;charset=UTF-8");
		PrintWriter out=response.getWriter();
		
        String name = request.getParameter("username");
        String pass = request.getParameter("password");
        String email=request.getParameter("email");
        
            Cookie ck = new Cookie("username", name);
            Cookie ck1=new Cookie("emailaddr",email);
            
            response.addCookie(ck);
            response.addCookie(ck1);
            out.println("<h1> Hello, welcome " + name 
                    + "!!! </h1>"); 
        out.println( 
            "<h1><a href =\"Cookie2\">Course Details</a></h1>");

        	     		}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}



cookieservlet2


package work1;

import java.io.IOException;
import java.io.PrintWriter;

import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class CookieServlet2     */
@WebServlet("/Cookie2")
public class CookieServlet2 extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public CookieServlet2() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.getWriter().append("Served at: ").append(request.getContextPath());

		response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        response.setContentType("text/html");
        out.println("<h1> Welcome Back!!!</h1>");
        
        Cookie[] cks = request.getCookies();
        
        for(int i=0;i<cks.length;i++)
        out.println("<h1> "+cks[i].getName()+": "+ cks[i].getValue()+"</h1>");
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}


html:

<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>LoginPage</title>
<style>
div{
display:block;
height:600px;
color:white;
}
</style>
</head>
<body style="text-align:center;background-color:green;">
<div>
<form action="Cookie1" method="post">
<h1> Login to Cookie Application
</h1>
  
<label>Username:</label><input
type="text"
name="username"><br>

<label>Password:</label><input
type="password"
name="password"><br>
<label>email:
</label><input
type="text"
name="email"><br>

<button type="submit" value="Login">Submit</button>
</form>
</div>
</body>
</html>
content_copyCOPY