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.tide.ejb;
023
024import java.util.Map;
025
026import javax.naming.InitialContext;
027
028import org.granite.config.flex.Destination;
029import org.granite.context.GraniteContext;
030import org.granite.messaging.service.ExtendedServiceExceptionHandler;
031import org.granite.messaging.service.ServiceException;
032import org.granite.messaging.service.ServiceFactory;
033import org.granite.messaging.service.ServiceInvoker;
034import org.granite.scan.ScannedItemHandler;
035import org.granite.tide.TideServiceInvoker;
036import org.granite.tide.data.PersistenceExceptionConverter;
037import org.granite.util.XMap;
038
039import flex.messaging.messages.RemotingMessage;
040
041
042/**
043 * @author William DRAI
044 */
045public 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}