001 /*
002 GRANITE DATA SERVICES
003 Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005 This file is part of Granite Data Services.
006
007 Granite Data Services is free software; you can redistribute it and/or modify
008 it under the terms of the GNU Library General Public License as published by
009 the Free Software Foundation; either version 2 of the License, or (at your
010 option) any later version.
011
012 Granite Data Services is distributed in the hope that it will be useful, but
013 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015 for more details.
016
017 You should have received a copy of the GNU Library General Public License
018 along with this library; if not, see <http://www.gnu.org/licenses/>.
019 */
020
021 package org.granite.tide.ejb;
022
023 import java.util.Map;
024
025 import javax.naming.InitialContext;
026
027 import org.granite.config.flex.Destination;
028 import org.granite.context.GraniteContext;
029 import org.granite.messaging.service.ExtendedServiceExceptionHandler;
030 import org.granite.messaging.service.ServiceException;
031 import org.granite.messaging.service.ServiceFactory;
032 import org.granite.messaging.service.ServiceInvoker;
033 import org.granite.scan.ScannedItemHandler;
034 import org.granite.tide.TideServiceInvoker;
035 import org.granite.tide.data.PersistenceExceptionConverter;
036 import org.granite.util.XMap;
037
038 import flex.messaging.messages.RemotingMessage;
039
040
041 /**
042 * @author William DRAI
043 */
044 public class EjbServiceFactory extends ServiceFactory {
045
046 public static final String ENTITY_MANAGER_FACTORY_JNDI_NAME = "entity-manager-factory-jndi-name";
047 public static final String ENTITY_MANAGER_JNDI_NAME = "entity-manager-jndi-name";
048
049 private String lookup = null;
050 private InitialContext initialContext = null;
051
052 public static ScannedItemHandler getScannedItemHandler() {
053 return EjbScannedItemHandler.instance(true);
054 }
055
056 public String getLookup() {
057 return lookup;
058 }
059
060 public void setInitialContext(InitialContext ic) {
061 this.initialContext = ic;
062 }
063
064
065 @Override
066 public void configure(XMap properties) throws ServiceException {
067 String sServiceExceptionHandler = properties.get("service-exception-handler");
068 if (sServiceExceptionHandler == null) {
069 XMap props = new XMap(properties);
070 props.put("service-exception-handler", ExtendedServiceExceptionHandler.class.getName());
071 super.configure(props);
072 }
073 else
074 super.configure(properties);
075
076 GraniteContext graniteContext = GraniteContext.getCurrentInstance();
077 graniteContext.getGraniteConfig().registerExceptionConverter(PersistenceExceptionConverter.class);
078 graniteContext.getGraniteConfig().registerExceptionConverter(EJBAccessExceptionConverter.class);
079
080 this.lookup = properties.get("lookup");
081 }
082
083
084 @Override
085 public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
086 String messageType = request.getClass().getName();
087 String destinationId = request.getDestination();
088
089 GraniteContext context = GraniteContext.getCurrentInstance();
090 Map<String, Object> cache = context.getSessionMap();
091 Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
092 String key = TideServiceInvoker.class.getName() + '.' + destinationId;
093
094 return getServiceInvoker(cache, destination, key);
095 }
096
097 private ServiceInvoker<?> getServiceInvoker(Map<String, Object> cache, Destination destination, String key) {
098 GraniteContext context = GraniteContext.getCurrentInstance();
099 synchronized (context.getSessionLock()) {
100 ServiceInvoker<?> invoker = (ServiceInvoker<?>)cache.get(key);
101 if (invoker == null) {
102 String lookup = getLookup();
103
104 if (destination.getProperties().containsKey("lookup"))
105 lookup = destination.getProperties().get("lookup");
106
107 EjbServiceContext tideContext = new EjbServiceContext(lookup, initialContext);
108
109 if (destination.getProperties().containsKey(ENTITY_MANAGER_FACTORY_JNDI_NAME)) {
110 tideContext.setEntityManagerFactoryJndiName(destination.getProperties().get(ENTITY_MANAGER_FACTORY_JNDI_NAME));
111 }
112 else if (destination.getProperties().containsKey(ENTITY_MANAGER_JNDI_NAME)) {
113 tideContext.setEntityManagerJndiName(destination.getProperties().get(ENTITY_MANAGER_JNDI_NAME));
114 }
115
116 invoker = new TideServiceInvoker<EjbServiceFactory>(destination, this, tideContext);
117 cache.put(key, invoker);
118 }
119 return invoker;
120 }
121 }
122 }