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
021package org.granite.messaging.webapp;
022
023import java.io.IOException;
024
025import javax.servlet.ServletException;
026import javax.servlet.http.HttpServlet;
027import javax.servlet.http.HttpServletRequest;
028import javax.servlet.http.HttpServletResponse;
029
030import org.granite.logging.Logger;
031import org.granite.context.AMFContextImpl;
032import org.granite.context.GraniteContext;
033import org.granite.messaging.amf.AMF0Message;
034import org.granite.messaging.amf.process.AMF0MessageProcessor;
035
036/**
037 * @author Franck WOLFF
038 */
039public class AMFMessageServlet extends HttpServlet {
040
041    private static final long serialVersionUID = 1L;
042
043    private static final Logger log = Logger.getLogger(AMFMessageServlet.class);
044
045    @Override
046    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
047        try {
048            GraniteContext context = GraniteContext.getCurrentInstance();
049            if (context == null)
050                throw new ServletException(
051                    "No GraniteContext (" + AMFMessageFilter.class.getName() + " not configured in web.xml ?)");
052
053            AMFContextImpl amf = (AMFContextImpl)context.getAMFContext();
054
055            AMF0Message amf0Request = amf.getAMF0Request();
056
057            log.debug(">> Processing AMF0 request: %s", amf0Request);
058
059            AMF0Message amf0Response = AMF0MessageProcessor.process(amf0Request);
060
061            log.debug("<< Returning AMF0 response: %s", amf0Response);
062
063            amf.setAmf0Response(amf0Response);
064        } catch (Exception e) {
065            log.error(e, "AMF message error");
066            throw new ServletException(e);
067        }
068    }
069}