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.seam;
023
024import org.granite.config.flex.Destination;
025import org.granite.context.GraniteContext;
026import org.granite.messaging.service.ServiceException;
027import org.granite.messaging.service.ServiceFactory;
028import org.granite.messaging.service.ServiceInvoker;
029import org.granite.util.XMap;
030import org.jboss.seam.Component;
031import org.jboss.seam.log.Log;
032import org.jboss.seam.log.Logging;
033
034import flex.messaging.messages.RemotingMessage;
035
036/**
037 * @author Cameron INGRAM, Stuart Robertson
038 */
039public class SeamServiceFactory extends ServiceFactory {
040
041    private static final Log log = Logging.getLog(SeamServiceFactory.class);
042
043    @Override
044    public void configure(XMap properties) throws ServiceException {
045        super.configure(properties);
046    }
047
048    @Override
049    public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
050        String messageType = request.getClass().getName();
051        String destinationId = request.getDestination();
052
053        GraniteContext context = GraniteContext.getCurrentInstance();
054        Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
055        if (destination == null)
056            throw new ServiceException("No matching destination: " + destinationId);
057
058        // all we need is to get bean name
059        String componentName = destination.getProperties().get("source");
060
061        // Find the component we're calling
062        Component component = Component.forName(componentName);
063
064        if (component == null) {
065            String msg = "Unable to create a Seam component named [" + componentName + "]";
066            log.error(msg);
067            ServiceException e = new ServiceException(msg);
068            throw e;
069        }
070
071        //Create an instance of the component
072        Object instance = Component.getInstance(componentName, true);
073
074        return new SeamServiceInvoker(destination, this, instance);
075    }
076
077}