| /* |
| * Copyright (c) 2017, 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 com.acme; |
| |
| import jakarta.ejb.EJB; |
| import jakarta.ejb.EJBException; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| import jakarta.servlet.ServletConfig; |
| import jakarta.servlet.ServletException; |
| import jakarta.servlet.http.HttpServlet; |
| import jakarta.servlet.http.HttpServletRequest; |
| import jakarta.servlet.http.HttpServletResponse; |
| import jakarta.servlet.annotation.WebServlet; |
| import javax.naming.*; |
| |
| @WebServlet(urlPatterns="/HelloServlet", loadOnStartup=1) |
| public class HelloServlet extends HttpServlet { |
| |
| @EJB private SimpleSingleton simpleSingleton; |
| |
| @EJB(name="java:app/env/slref") private SimpleStateless simpleStateless; |
| |
| @EJB private SimpleStateful simpleStateful; |
| |
| @Override |
| public void init(ServletConfig config) throws ServletException { |
| super.init(config); |
| |
| System.out.println("In HelloServlet::init"); |
| simpleSingleton.hello(); |
| simpleStateless.hello(); |
| simpleStateful.hello(); |
| } |
| |
| @Override |
| protected void doGet(HttpServletRequest req, HttpServletResponse resp) |
| throws ServletException, IOException { |
| |
| resp.setContentType("text/html"); |
| PrintWriter out = resp.getWriter(); |
| |
| System.out.println("In HelloServlet::doGet"); |
| |
| simpleSingleton.hello(); |
| |
| try { |
| simpleStateless.helloPackage(); |
| throw new RuntimeException("Expected exception when calling package-private method"); |
| } catch(EJBException e) { |
| System.out.println("Successfully got exception when calling package private method on no-interface view"); |
| } |
| |
| try { |
| simpleStateless.helloProtected(); |
| throw new RuntimeException("Expected exception when calling protected method"); |
| } catch(EJBException e) { |
| System.out.println("Successfully got exception when calling protected method on no-interface view"); |
| } |
| |
| try { |
| InitialContext ic = new InitialContext(); |
| for (NamingEnumeration<Binding> e = ic.listBindings("java:comp/env"); e.hasMore(); ) { |
| Binding b = e.next();// java:comp/env/xxx |
| final String name = b.getName().substring("java:comp/env/".length()); |
| final String cl = b.getClassName(); |
| final Object o = b.getObject(); |
| System.out.println("binding = " + b + " , name = " + name + " , cl = " + cl + " , object = " + o); |
| if( !b.getName().startsWith("java:comp/env") ) { |
| throw new RuntimeException("invalid returned env entry prefix"); |
| } |
| } |
| // assumes 299 enabled new InitialContext().lookup("java:comp/BeanManager"); |
| } catch(Exception e) { |
| throw new ServletException(e); |
| } |
| |
| out.println("<HTML> <HEAD> <TITLE> JMS Servlet Output </TITLE> </HEAD> <BODY BGCOLOR=white>"); |
| out.println("<CENTER> <FONT size=+1 COLOR=blue>DatabaseServelt :: All information I can give </FONT> </CENTER> <p> " ); |
| out.println("<FONT size=+1 color=red> Context Path : </FONT> " + req.getContextPath() + "<br>" ); |
| out.println("<FONT size=+1 color=red> Servlet Path : </FONT> " + req.getServletPath() + "<br>" ); |
| out.println("<FONT size=+1 color=red> Path Info : </FONT> " + req.getPathInfo() + "<br>" ); |
| out.println("</BODY> </HTML> "); |
| |
| } |
| |
| |
| } |
