SettingandReadingCookies.java Source code

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Here is the source code for SettingandReadingCookies.java

Source

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class SettingandReadingCookies extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();

        out.println("<HTML>");
        out.println("<HEAD>");
        out.println("<TITLE>");
        out.println("A Web Page");
        out.println("</TITLE>");
        out.println("</HEAD>");
        out.println("<BODY");

        Cookie[] cookies = request.getCookies();
        boolean foundCookie = false;

        for (int loopIndex = 0; loopIndex < cookies.length; loopIndex++) {
            Cookie cookie1 = cookies[loopIndex];
            if (cookie1.getName().equals("color")) {
                out.println("bgcolor = " + cookie1.getValue());
                foundCookie = true;
            }
        }

        if (!foundCookie) {
            Cookie cookie1 = new Cookie("color", "cyan");
            cookie1.setMaxAge(24 * 60 * 60);
            response.addCookie(cookie1);
        }

        out.println(">");
        out.println("<H1>Setting and Reading Cookies</H1>");
        out.println("This page will set its background color using a cookie when reloaded.");
        out.println("</BODY>");
        out.println("</HTML>");
    }
}