| /* |
| * Copyright (c) 2003, 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 j2eeguide.product; |
| |
| import java.io.*; |
| import java.util.*; |
| import jakarta.servlet.*; |
| import jakarta.servlet.http.*; |
| import javax.rmi.PortableRemoteObject; |
| import javax.naming.InitialContext; |
| |
| import j2eeguide.product.*; |
| |
| public class ProductServlet extends HttpServlet { |
| |
| public void doGet (HttpServletRequest req, HttpServletResponse res) |
| throws ServletException, IOException { |
| |
| res.setContentType("text/html"); |
| PrintWriter out = res.getWriter(); |
| |
| out.println("<html>"); |
| out.println("<head>"); |
| out.println("<title>Product Sample App for CMP</title>"); |
| out.println("</head>"); |
| out.println("<body>"); |
| |
| try { |
| |
| InitialContext ic = new InitialContext(); |
| |
| System.out.println("looking up java:comp/env/ejb/MyProduct"); |
| Object objref = ic.lookup("java:comp/env/ejb/MyProduct"); |
| System.out.println("lookup ok"); |
| |
| ProductHome home = |
| (ProductHome)PortableRemoteObject.narrow(objref, |
| ProductHome.class); |
| |
| Product duke = home.create("123", "Ceramic Dog", 10.00); |
| out.println("<BR>" + duke.getDescription() + ": " + duke.getPrice()); |
| duke.setPrice(14.00); |
| out.println("<BR>" + duke.getDescription() + ": " + duke.getPrice()); |
| |
| duke = home.create("456", "Wooden Duck", 13.00); |
| duke = home.create("999", "Ivory Cat", 19.00); |
| duke = home.create("789", "Ivory Cat", 33.00); |
| duke = home.create("876", "Chrome Fish", 22.00); |
| |
| Product earl = home.findByPrimaryKey("876"); |
| out.println("<BR>" + earl.getDescription() + ": " + earl.getPrice()); |
| |
| Collection c = home.findByDescription("Ivory Cat"); |
| Iterator i = c.iterator(); |
| |
| while (i.hasNext()) { |
| Product product = (Product)i.next(); |
| String productId = (String)product.getPrimaryKey(); |
| String description = product.getDescription(); |
| double price = product.getPrice(); |
| out.println("<BR>" + productId + ": " + description + " " + price); |
| } |
| |
| c = home.findInRange(10.00, 20.00); |
| i = c.iterator(); |
| |
| while (i.hasNext()) { |
| Product product = (Product)i.next(); |
| String productId = (String)product.getPrimaryKey(); |
| double price = product.getPrice(); |
| out.println("<BR>" + productId + ": " + price); |
| } |
| |
| } catch (Exception ex) { |
| System.err.println("Caught an exception." ); |
| ex.printStackTrace(); |
| } |
| |
| out.println("</body>"); |
| out.println("</html>"); |
| } |
| |
| } |
