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
021package org.granite.tide.seam;
022
023import org.granite.config.flex.Destination;
024import org.granite.context.GraniteContext;
025import org.granite.messaging.service.ServiceException;
026import org.granite.messaging.service.ServiceFactory;
027import org.granite.messaging.service.ServiceInvoker;
028import org.granite.messaging.webapp.HttpGraniteContext;
029import org.granite.tide.data.PersistenceExceptionConverter;
030import org.granite.util.XMap;
031import org.jboss.seam.Component;
032import org.jboss.seam.log.Log;
033import org.jboss.seam.log.Logging;
034
035import flex.messaging.messages.RemotingMessage;
036
037
038/**
039 * @author William DRAI
040 */
041public class SeamServiceFactory extends ServiceFactory {
042
043    private static final Log log = Logging.getLog(SeamServiceFactory.class);
044
045    private Component contextComponent = null;
046
047
048    @Override
049    public void configure(XMap properties) throws ServiceException {
050        String sServiceExceptionHandler = properties.get("service-exception-handler");
051        if (sServiceExceptionHandler == null) {
052            XMap props = new XMap(properties);
053            if (Component.forName("org.jboss.seam.international.statusMessages") != null)   // Seam 2.1
054                props.put("service-exception-handler", "org.granite.tide.seam21.Seam21ServiceExceptionHandler");
055            else
056                props.put("service-exception-handler", "org.granite.tide.seam.SeamServiceExceptionHandler");
057            super.configure(props);
058        }
059        else
060            super.configure(properties);
061        
062        GraniteContext graniteContext = GraniteContext.getCurrentInstance();
063        try {
064                graniteContext.getGraniteConfig().registerExceptionConverter(PersistenceExceptionConverter.class);
065            }
066            catch (Throwable t) {
067                log.info(t, "JPA exception converter not registered (JPA not found on classpath)");
068            }
069
070        // Find the SeamServiceInvoker component
071        contextComponent = Component.forName("org.granite.tide.seam.serviceContext");
072        if (contextComponent == null) {
073            String msg = "Unable to find the SeamServiceContext component";
074            log.error(msg);
075            ServiceException e = new ServiceException(msg);
076            throw e;
077        }
078    }
079
080
081    @Override
082    public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
083        String messageType = request.getClass().getName();
084        String destinationId = request.getDestination();
085
086        HttpGraniteContext context = (HttpGraniteContext)GraniteContext.getCurrentInstance();
087        Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
088        if (destination == null)
089            throw new ServiceException("No matching destination: " + destinationId);
090
091        // Create an instance of the component
092        SeamServiceInvoker invoker = new SeamServiceInvoker(destination, this);
093        return invoker;
094    }
095
096}