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.ejb;
023    
024    import java.util.Map;
025    
026    import javax.naming.InitialContext;
027    
028    import org.granite.config.flex.Destination;
029    import org.granite.context.GraniteContext;
030    import org.granite.messaging.service.ExtendedServiceExceptionHandler;
031    import org.granite.messaging.service.ServiceException;
032    import org.granite.messaging.service.ServiceFactory;
033    import org.granite.messaging.service.ServiceInvoker;
034    import org.granite.scan.ScannedItemHandler;
035    import org.granite.tide.TideServiceInvoker;
036    import org.granite.tide.data.PersistenceExceptionConverter;
037    import org.granite.util.XMap;
038    
039    import flex.messaging.messages.RemotingMessage;
040    
041    
042    /**
043     * @author William DRAI
044     */
045    public class EjbServiceFactory extends ServiceFactory {
046        
047        public static final String ENTITY_MANAGER_FACTORY_JNDI_NAME = "entity-manager-factory-jndi-name";
048        public static final String ENTITY_MANAGER_JNDI_NAME = "entity-manager-jndi-name";
049    
050        private String lookup = null;
051        private InitialContext initialContext = null;
052    
053        public static ScannedItemHandler getScannedItemHandler() {
054            return EjbScannedItemHandler.instance(true);
055        }
056        
057        public String getLookup() {
058            return lookup;
059        }
060        
061        public void setInitialContext(InitialContext ic) {
062            this.initialContext = ic;
063        }
064    
065    
066        @Override
067        public void configure(XMap properties) throws ServiceException {
068            String sServiceExceptionHandler = properties.get("service-exception-handler");
069            if (sServiceExceptionHandler == null) {
070                XMap props = new XMap(properties);
071                props.put("service-exception-handler", ExtendedServiceExceptionHandler.class.getName());
072                super.configure(props);
073            }
074            else
075                super.configure(properties);
076            
077            GraniteContext graniteContext = GraniteContext.getCurrentInstance();
078            graniteContext.getGraniteConfig().registerExceptionConverter(PersistenceExceptionConverter.class);
079            graniteContext.getGraniteConfig().registerExceptionConverter(EJBAccessExceptionConverter.class);
080            
081            this.lookup = properties.get("lookup");
082        }
083    
084    
085        @Override
086        public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
087            String messageType = request.getClass().getName();
088            String destinationId = request.getDestination();
089    
090            GraniteContext context = GraniteContext.getCurrentInstance();
091            Map<String, Object> cache = context.getSessionMap();
092            Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
093            String key = TideServiceInvoker.class.getName() + '.' + destinationId;
094    
095            return getServiceInvoker(cache, destination, key);
096        }
097    
098        private ServiceInvoker<?> getServiceInvoker(Map<String, Object> cache, Destination destination, String key) {
099            GraniteContext context = GraniteContext.getCurrentInstance();
100            synchronized (context.getSessionLock()) {
101                ServiceInvoker<?> invoker = (ServiceInvoker<?>)cache.get(key);
102                if (invoker == null) {
103                    String lookup = getLookup();
104    
105                    if (destination.getProperties().containsKey("lookup"))
106                        lookup = destination.getProperties().get("lookup");
107                    
108                    EjbServiceContext tideContext = new EjbServiceContext(lookup, initialContext); 
109                    
110                    if (destination.getProperties().containsKey(ENTITY_MANAGER_FACTORY_JNDI_NAME)) {
111                        tideContext.setEntityManagerFactoryJndiName(destination.getProperties().get(ENTITY_MANAGER_FACTORY_JNDI_NAME));
112                    } 
113                    else if (destination.getProperties().containsKey(ENTITY_MANAGER_JNDI_NAME)) {
114                        tideContext.setEntityManagerJndiName(destination.getProperties().get(ENTITY_MANAGER_JNDI_NAME));
115                    }
116                    
117                    invoker = new TideServiceInvoker<EjbServiceFactory>(destination, this, tideContext);
118                    cache.put(key, invoker);
119                }
120                return invoker;
121            }
122        }
123    }