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.tide.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.messaging.webapp.HttpGraniteContext;
030    import org.granite.tide.data.PersistenceExceptionConverter;
031    import org.granite.util.XMap;
032    import org.jboss.seam.Component;
033    import org.jboss.seam.log.Log;
034    import org.jboss.seam.log.Logging;
035    
036    import flex.messaging.messages.RemotingMessage;
037    
038    
039    /**
040     * @author William DRAI
041     */
042    public class SeamServiceFactory extends ServiceFactory {
043    
044        private static final Log log = Logging.getLog(SeamServiceFactory.class);
045    
046        private Component contextComponent = null;
047    
048    
049        @Override
050        public void configure(XMap properties) throws ServiceException {
051            String sServiceExceptionHandler = properties.get("service-exception-handler");
052            if (sServiceExceptionHandler == null) {
053                XMap props = new XMap(properties);
054                props.put("service-exception-handler", "org.granite.tide.seam21.Seam21ServiceExceptionHandler");
055                super.configure(props);
056            }
057            else
058                super.configure(properties);
059            
060            GraniteContext graniteContext = GraniteContext.getCurrentInstance();
061            try {
062                    graniteContext.getGraniteConfig().registerExceptionConverter(PersistenceExceptionConverter.class);
063                }
064                catch (Throwable t) {
065                    log.info(t, "JPA exception converter not registered (JPA not found on classpath)");
066                }
067    
068            // Find the SeamServiceInvoker component
069            contextComponent = Component.forName("org.granite.tide.seam.serviceContext");
070            if (contextComponent == null) {
071                String msg = "Unable to find the SeamServiceContext component";
072                log.error(msg);
073                ServiceException e = new ServiceException(msg);
074                throw e;
075            }
076        }
077    
078    
079        @Override
080        public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
081            String messageType = request.getClass().getName();
082            String destinationId = request.getDestination();
083    
084            HttpGraniteContext context = (HttpGraniteContext)GraniteContext.getCurrentInstance();
085            Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
086            if (destination == null)
087                throw new ServiceException("No matching destination: " + destinationId);
088            
089            // Create an instance of the component
090            SeamServiceInvoker invoker = new SeamServiceInvoker(destination, this);
091            return invoker;
092        }
093    
094    }