MainActivator.java

/*
 * Milyn - Copyright (C) 2006 - 2010
 * 
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License (version 2.1) as published
 * by the Free Software Foundation.
 * 
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.
 * 
 * See the GNU Lesser General Public License for more details:
 * http://www.gnu.org/licenses/lgpl.txt
 */

package example.activator;

import example.ExampleUtil;
import org.milyn.Smooks;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;

/**
 * @author Daniel Bevenius
 */
public class
        MainActivator implements BundleActivator {
    private ServiceTracker serviceTracker;

    public void start(BundleContext context) throws Exception {
        System.out.println(context.getBundle().getHeaders().get("Bundle-Name") + " start");
        serviceTracker = new ServiceTracker(context, Smooks.class.getName(), null);
        serviceTracker.open();
        Smooks smooks = (Smooks) serviceTracker.waitForService(5000);
        if (smooks == null) {
            System.out.println("Smooks service was not available upon bundle startup");
        } else {
            performFiltering(context, smooks);
        }
    }

    private void performFiltering(BundleContext context, Smooks smooks) {
        String input = (String) context.getBundle().getHeaders().get("Smooks-Input-File");
        ExampleUtil.performFiltering(input, smooks);
    }

    public void stop(BundleContext context) throws Exception {
        System.out.println(context.getBundle().getHeaders().get("Bundle-Name") + " stop");
        serviceTracker.close();
    }

}