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     */
022    package org.granite.seam;
023    
024    import org.granite.config.flex.Destination;
025    import org.granite.context.GraniteContext;
026    import org.granite.messaging.service.ServiceException;
027    import org.granite.messaging.service.ServiceFactory;
028    import org.granite.messaging.service.ServiceInvoker;
029    import org.granite.util.XMap;
030    import org.jboss.seam.Component;
031    import org.jboss.seam.log.Log;
032    import org.jboss.seam.log.Logging;
033    
034    import flex.messaging.messages.RemotingMessage;
035    
036    /**
037     * @author Cameron INGRAM, Stuart Robertson
038     */
039    public 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    }