SimpleJavaWebApp/src/CounterViewServlet.java at master · HitesTank/SimpleJavaWebApp

40 lines (32 loc) · 1.41 KB

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import java.io.PrintWriter;

/**

* Created by Marek on 13/04/2017.

@WebServlet(name = "CounterViewServlet")

public class CounterViewServlet extends HttpServlet {

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

}

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

Integer counter = (Integer) getServletContext().getAttribute("counter");

if (counter == null) counter = 0;

response.setContentType("text/html");

response.setCharacterEncoding("UTF-8");

try (PrintWriter writer = response.getWriter()) {

writer.println("<!DOCTYPE html><html>");

writer.println("<head>");

writer.println("<meta charset=\"UTF-8\" />");

writer.println("<title>CounterViewServlet using doGet() to view counter value</title>");

writer.println("</head>");

writer.println("<body>");

writer.println("<h1>Total number of visitors is "+ counter +"</h1>");

writer.println("</body>");

writer.println("</html>");

}

Provide feedback