| /* |
| * Copyright (c) 2009, 2020 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| /* |
| * To change this template, choose Tools | Templates |
| * and open the template in the editor. |
| */ |
| |
| package com.sun.ejb.timers; |
| |
| import java.io.*; |
| import java.net.*; |
| import java.util.Set; |
| |
| import jakarta.servlet.*; |
| import jakarta.ejb.*; |
| import jakarta.servlet.http.*; |
| |
| import org.glassfish.ejb.persistent.timer.TimerLocal; |
| import com.sun.ejb.containers.EJBTimerService; |
| |
| /** |
| * |
| * @author mvatkina |
| */ |
| |
| public class TimerWelcomeServlet extends HttpServlet { |
| |
| @EJB |
| private transient TimerLocal timer; |
| |
| /** |
| * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. |
| * @param request servlet request |
| * @param response servlet response |
| */ |
| protected void processRequest(HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, IOException { |
| response.setContentType("text/html;charset=UTF-8"); |
| PrintWriter out = response.getWriter(); |
| try { |
| out.println("<html>"); |
| out.println("<head>"); |
| out.println("<title>Timer Application</title>"); |
| out.println("</head>"); |
| out.println("<body>"); |
| out.println("<h3>Welcome to Timer Application</h3>"); |
| out.println("<br>"); |
| |
| // Persistent timers |
| Set persistenttimers = timer.findActiveTimersOwnedByThisServer(); |
| // Non-persistent timers get directly from the service |
| |
| EJBTimerService ejbTimerService = EJBTimerService.getEJBTimerService(); |
| Set nonpersistenttimers = ejbTimerService.getNonPersistentActiveTimerIdsByThisServer(); |
| int persistentsize = persistenttimers.size(); |
| int nonpersistentsize = nonpersistenttimers.size(); |
| |
| out.println("There " + ((persistentsize == 1)? "is " : "are ") |
| + persistentsize |
| + " active persistent timer" + ((persistentsize == 1)? "" : "s") |
| + " on this container"); |
| out.println("<br>"); |
| out.println("There " + ((nonpersistentsize == 1)? "is " : "are ") |
| + nonpersistentsize |
| + " active non-persistent timer" + ((nonpersistentsize == 1)? "" : "s") |
| + " on this container"); |
| out.println("<br>"); |
| |
| }catch(Throwable e){ |
| out.println("Problem accessing timers... "); |
| out.println(e); |
| e.printStackTrace(); |
| } |
| finally { |
| out.println("</body>"); |
| out.println("</html>"); |
| |
| out.close(); |
| out.flush(); |
| |
| } |
| } |
| |
| |
| // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> |
| /** |
| * Handles the HTTP <code>GET</code> method. |
| * @param request servlet request |
| * @param response servlet response |
| */ |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, IOException { |
| processRequest(request, response); |
| } |
| |
| /** |
| * Handles the HTTP <code>POST</code> method. |
| * @param request servlet request |
| * @param response servlet response |
| */ |
| protected void doPost(HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, IOException { |
| processRequest(request, response); |
| } |
| |
| /** |
| * Returns a short description of the servlet. |
| */ |
| public String getServletInfo() { |
| return "Timer Application Servlet"; |
| } |
| // </editor-fold> |
| } |
