UserController.java

package com.roy.abhisek;

import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Servlet implementation class UserController
 */
public class UserController extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public UserController() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String page=request.getParameter("page");
		switch(page) {
		case "output":
			request.getRequestDispatcher("output.jsp").forward(request, response);
			break;
		case "about":
			request.getRequestDispatcher("About.jsp").forward(request, response);
			break;
		case "contact":
			request.getRequestDispatcher("contact.jsp").forward(request, response);
			break;
		case "logout":
			request.getRequestDispatcher("login").forward(request, response);
			break;
		default:
			break;
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}