Servlet-Programming/src/HelloForm.java


// Import required java libraries
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

// Extend HttpServlet class
public class HelloForm extends HttpServlet {

   /**
    * 
    */
   private static final long serialVersionUID = 1130507799293250862L;

   public void doGet(HttpServletRequest request, HttpServletResponse response)
         throws ServletException, IOException {

      // Create cookies for first and last names.
      Cookie firstName = new Cookie("first_name", request.getParameter("first_name"));
      Cookie lastName = new Cookie("last_name", request.getParameter("last_name"));
      Cookie campus = new Cookie("campus", request.getParameter("campus"));

      // Set expiry date after 24 Hrs for both the cookies.
      firstName.setMaxAge(60 * 60 * 24);
      lastName.setMaxAge(60 * 60 * 24);
      campus.setMaxAge(60 * 60 * 24);

      // Add both the cookies in the response header.
      response.addCookie(firstName);
      response.addCookie(lastName);
      response.addCookie(campus);

      // Set response content type
      response.setContentType("text/html");

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

      out.println(docType +
            "<html>\n" +
            "<head><title>" + title + "</title></head>\n" +
            "<body bgcolor = \"#f0f0f0\">\n" +
            "<h1 align = \"center\">" + title + "</h1>\n" +
            "<ul>\n" +
            "  <li><b>First Name</b>: "
            + request.getParameter("first_name") + "\n" +
            "  <li><b>Last Name</b>: "
            + request.getParameter("last_name") + "\n" +
            "  <li><b>Campus</b>: "
            + request.getParameter("campus") + "\n" +
            "</ul>\n" +
            "<a href=\"http://localhost:8080/Servlet-Programming/ReadCookies\">"
            + "<button type=\"button\">Read Cookies</button></a>" +
            "</body></html>");
   }
}