URDINESH: Cookies in Java

Tuesday, May 20, 2014

JAVA CODE FOR SESSION TRACKING USING COOKIES

COOKIE1.JAVA

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

import java.util.*;

public class Cookie1 extends HttpServlet

{

public void service(HttpServletRequest req,HttpServletResponse res)

throws ServletException,IOException

{

res.setContentType("text/html");

PrintWriter pw=res.getWriter();

String color=req.getParameter("s1");

pw.println("<html><body bgcolor="+color+">");

pw.println("<h1> <center> Session");

pw.println("<form method=get action=\"http://localhost:8080/servlet/Cookie2\">");

pw.println("Name : <input name=name type=text> <br>");

pw.println("<input name=bcolor type=hidden value="+color+"><br>");

pw.println("<input name=Submit type=submit value=submit>");

pw.println("<input name=Reset type=reset value=reset>");

Cookie c1= new Cookie("cd",color);

Cookie c2 = new Cookie("id","second page");

res.addCookie(c1);

res.addCookie(c2);

pw.println("</body></html>");

pw.close();

}

COOKIE2.JAVA

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

import java.util.*;

public class Cookie2 extends HttpServlet

{

public void doGet(HttpServletRequest req,HttpServletResponse res)

throws ServletException,IOException

{

res.setContentType("text/html");

PrintWriter pw=res.getWriter();

String color=req.getParameter("bcolor");

pw.println("<html><body bgcolor="+color+">");

Cookie c[]=req.getCookies();

String s1[]= new String[c.length];

String v1[]= new String[c.length];

for(int i=0;i<c.length;i++)

{

s1[i]=c[i].getName();

v1[i]=c[i].getValue();

pw.println(s1[i]+"</br>");

pw.println(v1[i]+"</br>");

}

String name=req.getParameter("name");

pw.println("<h1> Welcome "+name+"! </h1>");

pw.println("</body></html>");

pw.close();

}

Saturday, July 11, 2015

JAVA

Tuesday, May 20, 2014

JAVA CODE FOR SESSION TRACKING USING COOKIES

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