import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/hobbyServlet")
public class HobbyServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private static final String COOKIE_NAME = "selectedHobby";
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>My Hobbies</title>");
out.println("</head>");
out.println("<body>");
out.println("<h3>Select your favorite hobby:</h3>");
out.println("<form method='post'>");
out.println("<input type='radio' name='hobby' value='painting' /> Painting<br>");
out.println("<input type='radio' name='hobby' value='drawing' /> Drawing<br>");
out.println("<input type='radio' name='hobby' value='singing' /> Singing<br>");
out.println("<input type='radio' name='hobby' value='swimming' /> Swimming<br>");
out.println("<input type='submit' value='Submit' />");
out.println("<input type='reset' value='Reset' />");
out.println("</form>");
out.println("</body>");
out.println("</html>");
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String selectedHobby = request.getParameter("hobby");
// Check if the cookie with the same name already exists
boolean cookieExists = false;
Cookie[] cookies = request.getCookies();
if (cookies != null) {
for (Cookie cookie : cookies) {
if (cookie.getName().equals(COOKIE_NAME)) {
cookieExists = true;
break;
}
}
}
// If cookie does not exist, create it and add it to the response
if (!cookieExists) {
Cookie hobbyCookie = new Cookie(COOKIE_NAME, selectedHobby);
hobbyCookie.setMaxAge(60 * 60 * 24 * 365); // set cookie to last 1 year
response.addCookie(hobbyCookie);
}
// Display a message to the user
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>My Hobbies</title>");
out.println("</head>");
out.println("<body>");
out.println("<h3>Your selected hobby is: " + selectedHobby + "</h3>");
out.println("<p>Cookie created successfully!</p>");
out.println("</body>");
out.println("</html>");
}
}
Reviewed by technical_saurabh
on
December 15, 2022
Rating:
No comments:
Post a Comment