Java EE 8 Design Patterns and Best Practices

Implementing DownloadFrontController

Here, we have the implementation of DownloadFrontController, which is a Servlet used to download files:

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;@WebServlet(name = "DownloadFrontController", urlPatterns = "/download/*")public class DownloadFrontController extends HttpServlet {    protected void doPost(HttpServletRequest request,     HttpServletResponse response) throws ServletException, IOException {        processRequest(request,response);    }    protected void doGet(HttpServletRequest request,  HttpServletResponse response)  ...