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Logout.java
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package com;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
/**
*
* @author SANDEEP KUMAR
*/
public class Logout extends HttpServlet {
@Override
public void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out=response.getWriter();
HttpSession s;
s = request.getSession();
String s1=(String)s.getAttribute("uname");
if(s!=null){
s.invalidate();
Cookie ck=new Cookie("uname","");
ck=new Cookie("pass1","");
ck.setMaxAge(0);
response.addCookie(ck);
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head> <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n"
+ "<link href=\"style.css\" rel=\"stylesheet\" type=\"text/css\">");
out.println("<title>User Logout</title>");
out.println("</head>");
out.println("<body>");
out.println("<div id=\"top_links\">\n" +
"<div id=\"header\"><marquee behavior=\"scroll\" scrollamount=\"3\" onmouseover=\"this.stop();\" onmouseout=\"this.start();\"><img src=\"images/flag.gif\" alt=\"business\" width=\"70\" height=\"50\">"
+" </marquee>" +
"</div>\n" +
"\n" +
"<div id=\"navigation\">\n" +
" <ul>\n" +
" <li><a href=\"index.html\">HOME</a></li>\n" +
" <li><a href=\"login.html\">LOGIN</a></li> \n" +
" <li><a href=\"new_voter.html\">NEW VOTER</a></li>\n" +
" <li><a href=\"apply.html\">APPLY</a></li>\n" +
" <li><a href=\"result.html\">RESULTS</a></li>\n" +
" <li><a href=\"faq.html\">FAQ</a></li>\n" +
" <li><a href=\"help.html\">HELP</a></li>\n" +
" </ul>\n" +
"</div><table style=\"width:897px; background:#FFFFFF; margin:0 auto;\"><tr><td>");
if(s1==null){
out.println("<br><br><center><h2>You have already logout successfully..</h2><br>");
out.println("<h2><a href=\"voter_login.html\">Login</a></center></h2>");
}else{
out.println("<br><br><center><h1>"+s1+" </h1><h3>You have logout successfully</h3><br>");
out.println("<h2><a href=\"login.html\">Login</a></h2></center>");
}
out.println("</td></tr></table></div></body>");
out.println("</html>");
}
else
out.println("Hey!!... user must login first ");
}
}