/*
 * Copyright (c) 2004-2011 Marco Maccaferri and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Marco Maccaferri - initial API and implementation
 */

package org.eclipsetrader.news.internal;

import javax.xml.bind.JAXBException;

import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceFactory;
import org.osgi.framework.ServiceRegistration;

public class NewsServiceFactory implements ServiceFactory {

    private NewsService serviceInstance;

    public NewsServiceFactory() {
    }

    /* (non-Javadoc)
     * @see org.osgi.framework.ServiceFactory#getService(org.osgi.framework.Bundle, org.osgi.framework.ServiceRegistration)
     */
    @Override
    public Object getService(Bundle bundle, ServiceRegistration registration) {
        if (serviceInstance == null) {
            serviceInstance = new NewsService();
            try {
                serviceInstance.startUp(null);
            } catch (JAXBException e) {
                e.printStackTrace();
            }
        }
        return serviceInstance;
    }

    /* (non-Javadoc)
     * @see org.osgi.framework.ServiceFactory#ungetService(org.osgi.framework.Bundle, org.osgi.framework.ServiceRegistration, java.lang.Object)
     */
    @Override
    public void ungetService(Bundle bundle, ServiceRegistration registration, Object service) {
    }

    public NewsService getServiceInstance() {
        return serviceInstance;
    }
}