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.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.util.XMap;
029import org.jboss.seam.Component;
030import org.jboss.seam.log.Log;
031import org.jboss.seam.log.Logging;
032
033import flex.messaging.messages.RemotingMessage;
034
035/**
036 * @author Cameron INGRAM, Stuart Robertson
037 */
038public class SeamServiceFactory extends ServiceFactory {
039
040    private static final Log log = Logging.getLog(SeamServiceFactory.class);
041
042    @Override
043    public void configure(XMap properties) throws ServiceException {
044        super.configure(properties);
045    }
046
047    @Override
048    public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
049        String messageType = request.getClass().getName();
050        String destinationId = request.getDestination();
051
052        GraniteContext context = GraniteContext.getCurrentInstance();
053        Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
054        if (destination == null)
055            throw new ServiceException("No matching destination: " + destinationId);
056
057        // all we need is to get bean name
058        String componentName = destination.getProperties().get("source");
059
060        // Find the component we're calling
061        Component component = Component.forName(componentName);
062
063        if (component == null) {
064            String msg = "Unable to create a Seam component named [" + componentName + "]";
065            log.error(msg);
066            ServiceException e = new ServiceException(msg);
067            throw e;
068        }
069
070        //Create an instance of the component
071        Object instance = Component.getInstance(componentName, true);
072
073        return new SeamServiceInvoker(destination, this, instance);
074    }
075
076}