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.seam;
022
023 import org.granite.config.flex.Destination;
024 import org.granite.context.GraniteContext;
025 import org.granite.messaging.service.ServiceException;
026 import org.granite.messaging.service.ServiceFactory;
027 import org.granite.messaging.service.ServiceInvoker;
028 import org.granite.messaging.webapp.HttpGraniteContext;
029 import org.granite.tide.data.PersistenceExceptionConverter;
030 import org.granite.util.XMap;
031 import org.jboss.seam.Component;
032 import org.jboss.seam.log.Log;
033 import org.jboss.seam.log.Logging;
034
035 import flex.messaging.messages.RemotingMessage;
036
037
038 /**
039 * @author William DRAI
040 */
041 public class SeamServiceFactory extends ServiceFactory {
042
043 private static final long serialVersionUID = 1L;
044
045 private static final Log log = Logging.getLog(SeamServiceFactory.class);
046
047 private Component contextComponent = null;
048
049
050 @Override
051 public void configure(XMap properties) throws ServiceException {
052 String sServiceExceptionHandler = properties.get("service-exception-handler");
053 if (sServiceExceptionHandler == null) {
054 XMap props = new XMap(properties);
055 if (Component.forName("org.jboss.seam.international.statusMessages") != null) // Seam 2.1
056 props.put("service-exception-handler", "org.granite.tide.seam21.Seam21ServiceExceptionHandler");
057 else
058 props.put("service-exception-handler", "org.granite.tide.seam.SeamServiceExceptionHandler");
059 super.configure(props);
060 }
061 else
062 super.configure(properties);
063
064 GraniteContext graniteContext = GraniteContext.getCurrentInstance();
065 try {
066 graniteContext.getGraniteConfig().registerExceptionConverter(PersistenceExceptionConverter.class);
067 }
068 catch (Throwable t) {
069 log.info(t, "JPA exception converter not registered (JPA not found on classpath)");
070 }
071
072 // Find the SeamServiceInvoker component
073 contextComponent = Component.forName("org.granite.tide.seam.serviceContext");
074 if (contextComponent == null) {
075 String msg = "Unable to find the SeamServiceContext component";
076 log.error(msg);
077 ServiceException e = new ServiceException(msg);
078 throw e;
079 }
080 }
081
082
083 @Override
084 public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
085 String messageType = request.getClass().getName();
086 String destinationId = request.getDestination();
087
088 HttpGraniteContext context = (HttpGraniteContext)GraniteContext.getCurrentInstance();
089 Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
090 if (destination == null)
091 throw new ServiceException("No matching destination: " + destinationId);
092
093 // Create an instance of the component
094 SeamServiceInvoker invoker = new SeamServiceInvoker(destination, this);
095 return invoker;
096 }
097
098 }