001 /*
002 GRANITE DATA SERVICES
003 Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005 This file is part of Granite Data Services.
006
007 Granite Data Services is free software; you can redistribute it and/or modify
008 it under the terms of the GNU Library General Public License as published by
009 the Free Software Foundation; either version 2 of the License, or (at your
010 option) any later version.
011
012 Granite Data Services is distributed in the hope that it will be useful, but
013 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015 for more details.
016
017 You should have received a copy of the GNU Library General Public License
018 along with this library; if not, see <http://www.gnu.org/licenses/>.
019 */
020
021 package org.granite.gravity;
022
023 import java.io.IOException;
024 import java.io.InputStream;
025
026 import javax.servlet.ServletConfig;
027 import javax.servlet.ServletException;
028 import javax.servlet.http.HttpServlet;
029 import javax.servlet.http.HttpServletRequest;
030 import javax.servlet.http.HttpServletResponse;
031
032 import flex.messaging.messages.CommandMessage;
033 import flex.messaging.messages.Message;
034
035 /**
036 * @author Franck WOLFF
037 */
038 public class AbstractGravityServlet extends HttpServlet {
039
040 ///////////////////////////////////////////////////////////////////////////
041 // Fields.
042
043 private static final long serialVersionUID = 1L;
044
045 ///////////////////////////////////////////////////////////////////////////
046 // Initialization.
047
048 @Override
049 public void init(ServletConfig config) throws ServletException {
050 super.init(config);
051
052 GravityServletUtil.init(config);
053 }
054
055 ///////////////////////////////////////////////////////////////////////////
056 // Connect messages management (request attribute).
057
058 public static void setConnectMessage(HttpServletRequest request, Message connect) {
059 GravityServletUtil.setConnectMessage(request, connect);
060 }
061
062 public static CommandMessage getConnectMessage(HttpServletRequest request) {
063 return GravityServletUtil.getConnectMessage(request);
064 }
065
066 public static void removeConnectMessage(HttpServletRequest request) {
067 GravityServletUtil.removeConnectMessage(request);
068 }
069
070 ///////////////////////////////////////////////////////////////////////////
071 // Long polling timeout.
072
073 protected long getLongPollingTimeout() {
074 return GravityServletUtil.getLongPollingTimeout(getServletContext());
075 }
076
077 ///////////////////////////////////////////////////////////////////////////
078 // AMF (de)serialization methods.
079
080 protected Gravity initializeRequest(Gravity gravity, HttpServletRequest request, HttpServletResponse response) {
081 return GravityServletUtil.initializeRequest(getServletConfig(), gravity, request, response);
082 }
083
084 @SuppressWarnings("unused")
085 protected Message[] deserialize(Gravity gravity, HttpServletRequest request) throws ClassNotFoundException, IOException, ServletException {
086 return GravityServletUtil.deserialize(gravity, request);
087 }
088
089 @SuppressWarnings("unused")
090 protected Message[] deserialize(Gravity gravity, HttpServletRequest request, InputStream is) throws ClassNotFoundException, IOException, ServletException {
091 return GravityServletUtil.deserialize(gravity, request, is);
092 }
093
094 protected void serialize(Gravity gravity, HttpServletResponse response, Message[] messages) throws IOException {
095 GravityServletUtil.serialize(gravity, response, messages);
096 }
097
098 protected void cleanupRequest(HttpServletRequest request) {
099 GravityServletUtil.cleanupRequest(request);
100 }
101
102 ///////////////////////////////////////////////////////////////////////////
103 // Unsupported HTTP methods.
104
105 @Override
106 protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
107 throw new ServletException("Unsupported operation: " + req.getMethod());
108 }
109
110 @Override
111 protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
112 throw new ServletException("Unsupported operation: " + req.getMethod());
113 }
114
115 @Override
116 protected void doHead(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
117 throw new ServletException("Unsupported operation: " + req.getMethod());
118 }
119
120 @Override
121 protected void doOptions(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
122 throw new ServletException("Unsupported operation: " + req.getMethod());
123 }
124
125 @Override
126 protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
127 throw new ServletException("Unsupported operation: " + req.getMethod());
128 }
129
130 @Override
131 protected void doTrace(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
132 throw new ServletException("Unsupported operation: " + req.getMethod());
133 }
134 }