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*/
020package org.granite.osgi.adaptor;
021
022import java.util.Iterator;
023import java.util.Set;
024
025import org.granite.config.flex.ServicesConfig;
026import org.granite.logging.Logger;
027import org.granite.osgi.constants.OSGIConstants;
028import org.osgi.service.event.Event;
029import org.osgi.service.event.EventHandler;
030
031public class ServiceEventHandler implements EventHandler {
032
033        private static final Logger log = Logger.getLogger(ServiceEventHandler.class);
034
035    private ServicesConfig servicesConfig;
036    
037    public ServiceEventHandler(ServicesConfig servicesConfig) {
038        this.servicesConfig = servicesConfig;
039    }
040    
041        public void handleEvent(Event event) {
042                Class<?> c=(Class<?>) event.getProperty(OSGIConstants.SERVICE_CLASS);
043                @SuppressWarnings("unchecked")
044                Set<Class<?>>classes=(Set<Class<?>>)event.getProperty(OSGIConstants.SERVICE_CLASS_SET);
045                //add service
046                if(event.getTopic().equals(OSGIConstants.TOPIC_GDS_ADD_SERVICE)){
047                        if(c!=null)
048                                servicesConfig.handleClass(c);
049                        if(classes!=null){
050                                Iterator<Class<?>> it=classes.iterator();
051                                 while(it.hasNext()){
052                                         servicesConfig.handleClass(it.next());
053                                 }
054                        }else{
055                                log.warn("Class NOT Found!!");
056                        }
057                }
058                //remove service
059           if(event.getTopic().equals(OSGIConstants.TOPIC_GDS_REMOVE_SERVICE)){
060                        if(c!=null)
061                                servicesConfig.handleRemoveService(c);
062                        if(classes!=null){
063                                Iterator<Class<?>> it=classes.iterator();
064                                 while(it.hasNext()){
065                                         servicesConfig.handleRemoveService(it.next());
066                                 }
067                        }else{
068                                log.warn("Class NOT Found!!");
069                        }
070                }
071        }
072
073}