001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.messaging.webapp;
023
024import java.io.IOException;
025
026import javax.servlet.ServletException;
027import javax.servlet.http.HttpServlet;
028import javax.servlet.http.HttpServletRequest;
029import javax.servlet.http.HttpServletResponse;
030
031import org.granite.logging.Logger;
032import org.granite.context.AMFContextImpl;
033import org.granite.context.GraniteContext;
034import org.granite.messaging.amf.AMF0Message;
035import org.granite.messaging.amf.process.AMF0MessageProcessor;
036
037/**
038 * @author Franck WOLFF
039 */
040public class AMFMessageServlet extends HttpServlet {
041
042    private static final long serialVersionUID = 1L;
043
044    private static final Logger log = Logger.getLogger(AMFMessageServlet.class);
045
046    @Override
047    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
048        try {
049            GraniteContext context = GraniteContext.getCurrentInstance();
050            if (context == null)
051                throw new ServletException(
052                    "No GraniteContext (" + AMFMessageFilter.class.getName() + " not configured in web.xml ?)");
053
054            AMFContextImpl amf = (AMFContextImpl)context.getAMFContext();
055
056            AMF0Message amf0Request = amf.getAMF0Request();
057
058            log.debug(">> Processing AMF0 request: %s", amf0Request);
059
060            AMF0Message amf0Response = AMF0MessageProcessor.process(amf0Request);
061
062            log.debug("<< Returning AMF0 response: %s", amf0Response);
063
064            amf.setAmf0Response(amf0Response);
065        } catch (Exception e) {
066            log.error(e, "AMF message error");
067            throw new ServletException(e);
068        }
069    }
070}