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.cdi;
022
023 import java.util.Set;
024
025 import javax.enterprise.inject.spi.Bean;
026 import javax.enterprise.inject.spi.BeanManager;
027
028 import org.granite.cdi.CDIInterceptor;
029 import org.granite.config.flex.Destination;
030 import org.granite.context.GraniteContext;
031 import org.granite.logging.Logger;
032 import org.granite.messaging.service.ServiceException;
033 import org.granite.messaging.service.ServiceFactory;
034 import org.granite.messaging.service.ServiceInvoker;
035 import org.granite.messaging.webapp.HttpGraniteContext;
036 import org.granite.tide.TideServiceInvoker;
037 import org.granite.tide.data.PersistenceExceptionConverter;
038 import org.granite.util.XMap;
039
040 import flex.messaging.messages.RemotingMessage;
041
042
043 /**
044 * @author William DRAI
045 */
046 public class CDIServiceFactory extends ServiceFactory {
047
048 private static final long serialVersionUID = 1L;
049
050 private static final Logger log = Logger.getLogger(CDIServiceFactory.class);
051
052 public static final String ENTITY_MANAGER_FACTORY_JNDI_NAME = "entity-manager-factory-jndi-name";
053 public static final String ENTITY_MANAGER_JNDI_NAME = "entity-manager-jndi-name";
054
055 private BeanManager manager;
056
057 public BeanManager getManager() {
058 return manager;
059 }
060
061
062 @Override
063 public void configure(XMap properties) throws ServiceException {
064 String sServiceExceptionHandler = properties.get("service-exception-handler");
065 if (sServiceExceptionHandler == null) {
066 XMap props = new XMap(properties);
067 props.put("service-exception-handler", "org.granite.messaging.service.ExtendedServiceExceptionHandler");
068 super.configure(props);
069 }
070 else
071 super.configure(properties);
072
073 GraniteContext graniteContext = GraniteContext.getCurrentInstance();
074 try {
075 graniteContext.getGraniteConfig().registerExceptionConverter(PersistenceExceptionConverter.class);
076 }
077 catch (Throwable t) {
078 log.info(t, "JPA exception converter not registered (JPA not found on classpath)");
079 }
080
081 try {
082 manager = CDIInterceptor.lookupBeanManager();
083 }
084 catch (Exception e) {
085 log.warn("Unable to find the CDI Manager in JNDI, lookup in ServletContext");
086
087 manager = (BeanManager)((HttpGraniteContext)graniteContext).getServletContext().getAttribute("javax.enterprise.inject.spi.BeanManager");
088 if (manager == null) {
089 ServiceException se = new ServiceException(e.getMessage());
090 throw se;
091 }
092 }
093
094 // Find the JCDIServiceContext component
095 Set<Bean<?>> cc = manager.getBeans(CDIServiceContext.class);
096 if (cc.size() != 1) {
097 String msg = cc.isEmpty()
098 ? "Unable to find the CDIServiceContext bean"
099 : "More than one CDIServiceContext bean found";
100 log.error(msg);
101 ServiceException e = new ServiceException(msg);
102 throw e;
103 }
104 }
105
106
107 @Override
108 public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
109 String messageType = request.getClass().getName();
110 String destinationId = request.getDestination();
111
112 HttpGraniteContext context = (HttpGraniteContext)GraniteContext.getCurrentInstance();
113 Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
114 if (destination == null)
115 throw new ServiceException("No matching destination: " + destinationId);
116
117 if (!destination.getProperties().containsKey(TideServiceInvoker.VALIDATOR_CLASS_NAME))
118 destination.getProperties().put(TideServiceInvoker.VALIDATOR_CLASS_NAME, "org.granite.tide.validation.BeanValidation");
119
120 @SuppressWarnings("unchecked")
121 Bean<PersistenceConfiguration> pcBean = (Bean<PersistenceConfiguration>)manager.getBeans(PersistenceConfiguration.class).iterator().next();
122 PersistenceConfiguration persistenceConfiguration = (PersistenceConfiguration)manager.getReference(pcBean, PersistenceConfiguration.class, manager.createCreationalContext(pcBean));
123 if (destination.getProperties().containsKey(ENTITY_MANAGER_FACTORY_JNDI_NAME))
124 persistenceConfiguration.setEntityManagerFactoryJndiName(destination.getProperties().get(ENTITY_MANAGER_FACTORY_JNDI_NAME));
125 else if (destination.getProperties().containsKey(ENTITY_MANAGER_JNDI_NAME))
126 persistenceConfiguration.setEntityManagerJndiName(destination.getProperties().get(ENTITY_MANAGER_JNDI_NAME));
127
128 // Create an instance of the component
129 CDIServiceInvoker invoker = new CDIServiceInvoker(destination, this);
130 return invoker;
131 }
132
133 }