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| 1 | +/* |
| 2 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
| 3 | + * |
| 4 | + * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. |
| 5 | + * |
| 6 | + * The contents of this file are subject to the terms of either the GNU |
| 7 | + * General Public License Version 2 only ("GPL") or the Common Development |
| 8 | + * and Distribution License("CDDL") (collectively, the "License"). You |
| 9 | + * may not use this file except in compliance with the License. You can |
| 10 | + * obtain a copy of the License at |
| 11 | + * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html |
| 12 | + * or packager/legal/LICENSE.txt. See the License for the specific |
| 13 | + * language governing permissions and limitations under the License. |
| 14 | + * |
| 15 | + * When distributing the software, include this License Header Notice in each |
| 16 | + * file and include the License file at packager/legal/LICENSE.txt. |
| 17 | + * |
| 18 | + * GPL Classpath Exception: |
| 19 | + * Oracle designates this particular file as subject to the "Classpath" |
| 20 | + * exception as provided by Oracle in the GPL Version 2 section of the License |
| 21 | + * file that accompanied this code. |
| 22 | + * |
| 23 | + * Modifications: |
| 24 | + * If applicable, add the following below the License Header, with the fields |
| 25 | + * enclosed by brackets [] replaced by your own identifying information: |
| 26 | + * "Portions Copyright [year] [name of copyright owner]" |
| 27 | + * |
| 28 | + * Contributor(s): |
| 29 | + * If you wish your version of this file to be governed by only the CDDL or |
| 30 | + * only the GPL Version 2, indicate your decision by adding "[Contributor] |
| 31 | + * elects to include this software in this distribution under the [CDDL or GPL |
| 32 | + * Version 2] license." If you don't indicate a single choice of license, a |
| 33 | + * recipient has the option to distribute your version of this file under |
| 34 | + * either the CDDL, the GPL Version 2 or to extend the choice of license to |
| 35 | + * its licensees as provided above. However, if you add GPL Version 2 code |
| 36 | + * and therefore, elected the GPL Version 2 license, then the option applies |
| 37 | + * only if the new code is made subject to such option by the copyright |
| 38 | + * holder. |
| 39 | + */ |
| 40 | +package org.javaee7.jaxrs.client.negotiation; |
| 41 | + |
| 42 | +import java.io.IOException; |
| 43 | +import java.io.PrintWriter; |
| 44 | +import javax.servlet.ServletException; |
| 45 | +import javax.servlet.annotation.WebServlet; |
| 46 | +import javax.servlet.http.HttpServlet; |
| 47 | +import javax.servlet.http.HttpServletRequest; |
| 48 | +import javax.servlet.http.HttpServletResponse; |
| 49 | +import javax.ws.rs.client.Client; |
| 50 | +import javax.ws.rs.client.ClientBuilder; |
| 51 | +import javax.ws.rs.client.WebTarget; |
| 52 | +import org.glassfish.jersey.filter.LoggingFilter; |
| 53 | + |
| 54 | +/** |
| 55 | + * @author Arun Gupta |
| 56 | + */ |
| 57 | +@WebServlet(urlPatterns = {"/TestServlet"}) |
| 58 | +public class TestServlet extends HttpServlet { |
| 59 | + |
| 60 | + /** |
| 61 | + * Processes requests for both HTTP |
| 62 | + * <code>GET</code> and |
| 63 | + * <code>POST</code> methods. |
| 64 | + * |
| 65 | + * @param request servlet request |
| 66 | + * @param response servlet response |
| 67 | + * @throws ServletException if a servlet-specific error occurs |
| 68 | + * @throws IOException if an I/O error occurs |
| 69 | + */ |
| 70 | + protected void processRequest(HttpServletRequest request, HttpServletResponse response) |
| 71 | + throws ServletException, IOException { |
| 72 | + response.setContentType("text/html;charset=UTF-8"); |
| 73 | + PrintWriter out = response.getWriter(); |
| 74 | + out.println("<html>"); |
| 75 | + out.println("<head>"); |
| 76 | + out.println("<title>Client-side Content Negotiation</title>"); |
| 77 | + out.println("</head>"); |
| 78 | + out.println("<body>"); |
| 79 | + out.println("<h1>Client-side Content Negotiation</h1>"); |
| 80 | + out.println("Initializing client...<br>"); |
| 81 | + Client client = ClientBuilder.newClient(); |
| 82 | + WebTarget target = client. |
| 83 | + register(LoggingFilter.class) |
| 84 | + .target("http://" |
| 85 | + + request.getServerName() |
| 86 | + + ":" |
| 87 | + + request.getServerPort() |
| 88 | + + request.getContextPath() |
| 89 | + + "/webresources/persons"); |
| 90 | + |
| 91 | + // GET |
| 92 | + out.print("<br>GETTing application/xml ...<br>"); |
| 93 | + String string = target.request("application/xml").get(String.class); |
| 94 | + out.format("GOT the representation: " + string); |
| 95 | + |
| 96 | + // GET |
| 97 | + out.print("<br><br>GETTing application/json ...<br>"); |
| 98 | + string = target.request("application/json").get(String.class); |
| 99 | + out.format("GOT the representation: " + string); |
| 100 | + |
| 101 | + out.println("<br><br>... done.<br>"); |
| 102 | + |
| 103 | + out.println("</body>"); |
| 104 | + out.println("</html>"); |
| 105 | + } |
| 106 | + |
| 107 | + // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> |
| 108 | + /** |
| 109 | + * Handles the HTTP |
| 110 | + * <code>GET</code> method. |
| 111 | + * |
| 112 | + * @param request servlet request |
| 113 | + * @param response servlet response |
| 114 | + * @throws ServletException if a servlet-specific error occurs |
| 115 | + * @throws IOException if an I/O error occurs |
| 116 | + */ |
| 117 | + @Override |
| 118 | + protected void doGet(HttpServletRequest request, HttpServletResponse response) |
| 119 | + throws ServletException, IOException { |
| 120 | + processRequest(request, response); |
| 121 | + } |
| 122 | + |
| 123 | + /** |
| 124 | + * Handles the HTTP |
| 125 | + * <code>POST</code> method. |
| 126 | + * |
| 127 | + * @param request servlet request |
| 128 | + * @param response servlet response |
| 129 | + * @throws ServletException if a servlet-specific error occurs |
| 130 | + * @throws IOException if an I/O error occurs |
| 131 | + */ |
| 132 | + @Override |
| 133 | + protected void doPost(HttpServletRequest request, HttpServletResponse response) |
| 134 | + throws ServletException, IOException { |
| 135 | + processRequest(request, response); |
| 136 | + } |
| 137 | + |
| 138 | + /** |
| 139 | + * Returns a short description of the servlet. |
| 140 | + * |
| 141 | + * @return a String containing servlet description |
| 142 | + */ |
| 143 | + @Override |
| 144 | + public String getServletInfo() { |
| 145 | + return "Short description"; |
| 146 | + }// </editor-fold> |
| 147 | +} |
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