package com.atlassian.gzipfilter.test.web;
   
   import javax.servlet.ServletException;
   import javax.servlet.http.HttpServlet;
   import javax.servlet.http.HttpServletRequest;
   import javax.servlet.http.HttpServletResponse;
   import java.io.IOException;
   import java.io.PrintWriter;
   
  /**
   * writes output, pauses, then writes more output
   * the caller should be able to detect the pause
   */
  public class FlushingServlet extends HttpServlet {
  
      @Override
      protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
          long delay = 10000;
          if (req.getParameter("delay") != null) {
              delay = Long.parseLong(req.getParameter("delay"));
          }
          resp.setContentType("text/html;charset=UTF-8");
          PrintWriter out = resp.getWriter();
          out.print("first");
          out.flush();
          sleep(delay);
          out.print("second");
          out.flush();
          sleep(delay);
          out.print("last");
      }
  
      private static void sleep(long delay) {
          try {
              Thread.sleep(delay);
          } catch (InterruptedException e) {
              throw new RuntimeException(e);
          }
      }
  }