| /* |
| * Copyright (c) 2009, 2018 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 |
| */ |
| |
| package extensions; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.Set; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import jakarta.annotation.PostConstruct; |
| import jakarta.enterprise.context.spi.CreationalContext; |
| import jakarta.enterprise.inject.spi.Bean; |
| import jakarta.enterprise.inject.spi.BeanManager; |
| import jakarta.enterprise.inject.spi.InjectionTarget; |
| import jakarta.enterprise.inject.spi.ProcessInjectionTarget; |
| import javax.naming.InitialContext; |
| import javax.naming.NamingException; |
| import jakarta.servlet.ServletException; |
| import jakarta.servlet.http.HttpServlet; |
| import jakarta.servlet.http.HttpServletRequest; |
| import jakarta.servlet.http.HttpServletResponse; |
| |
| /** |
| * Check that TestExtensionBean is deployed and accessible, |
| * and that all event are being observed. |
| * |
| * @author paulsandoz |
| * @author Santiago.PericasGeertsen@sun.com |
| */ |
| public class ExtensionBeanServlet extends HttpServlet { |
| |
| protected void processRequest(HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, IOException { |
| ExtensionBean te = get(ExtensionBean.class, getBM()); |
| |
| response.setContentType("text/html;charset=UTF-8"); |
| PrintWriter out = response.getWriter(); |
| try { |
| out.println("<html>"); |
| out.println("<body>"); |
| out.println("<h1>Extension bean " + te + "</h1>"); |
| out.println("<h1>" + te.bbd + " " + te.abd + " " + te.adv + " " |
| + te.pat + " " + te.pit + " " + te.pmb + "</h1>"); |
| out.println("</body>"); |
| out.println("</html>"); |
| } finally { |
| out.close(); |
| } |
| } |
| |
| // <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 |
| * @throws ServletException if a servlet-specific error occurs |
| * @throws IOException if an I/O error occurs |
| */ |
| @Override |
| 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 |
| * @throws ServletException if a servlet-specific error occurs |
| * @throws IOException if an I/O error occurs |
| */ |
| @Override |
| protected void doPost(HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, IOException { |
| processRequest(request, response); |
| } |
| |
| /** |
| * Returns a short description of the servlet. |
| * @return a String containing servlet description |
| */ |
| @Override |
| public String getServletInfo() { |
| return "Short description"; |
| }// </editor-fold> |
| |
| public <T> T get(Class<T> c, BeanManager bm) { |
| Set<Bean<?>> bs = bm.getBeans(c); |
| if (bs.isEmpty()) { |
| System.out.println("CANNOT GET SET OF BEANS FOR " + c); |
| return null; |
| } |
| Bean<?> b = bm.resolve(bs); |
| |
| CreationalContext<?> cc = bm.createCreationalContext(b); |
| |
| return c.cast(bm.getReference(b, c, cc)); |
| } |
| |
| public BeanManager getBM() { |
| try { |
| return (BeanManager) new InitialContext().lookup("java:comp/BeanManager"); |
| } catch (NamingException ex) { |
| Logger.getLogger(ExtensionBeanServlet.class.getName()).log(Level.SEVERE, null, ex); |
| } |
| return null; |
| } |
| } |