Activator.java

/*******************************************************************************
 * Copyright (c) 2014 Composent, Inc. 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: Scott Lewis (slewis@composent.com) - initial API and implementation
 ******************************************************************************/
package org.eclipse.ecf.internal.examples.raspberrypi.management.host;

import java.util.Dictionary;
import java.util.Hashtable;

import org.eclipse.ecf.examples.raspberrypi.management.IRaspberryPi;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;

public class Activator implements BundleActivator {

	private static final String OSGI_SERVICE_EXPORTED_INTERFACES = "service.exported.interfaces";
	
	private ServiceRegistration<IRaspberryPi> registration;
	
	@Override
	public void start(BundleContext context) throws Exception {
		Dictionary<String,Object> props = new Hashtable<String,Object>();
		// Add OSGi required remote service properties
		props.put(OSGI_SERVICE_EXPORTED_INTERFACES, System.getProperty(OSGI_SERVICE_EXPORTED_INTERFACES,"*"));
		// Use ECF generic server config.
		props.put("service.exported.configs", "ecf.generic.server");
		// Setup hostname config (default:localhost)
		String hostname = System.getProperty("ecf.generic.server.hostname");
		if (hostname != null) 
			props.put("ecf.generic.server.hostname",hostname);
		// Setup port config (default:-1)
		props.put("ecf.generic.server.port",new Integer(System.getProperty("ecf.generic.server.port","-1")));
		// Setup IRaspberryPiAsync as async remote service
		props.put("ecf.exported.async.interfaces", "*");
		// This remote service registration will trigger export, and publishing via zeroconf
		registration = context.registerService(IRaspberryPi.class, new RaspberryPi(), props);
		
		System.out.println("IRaspberryPi remote service registered="+registration);
	}

	@Override
	public void stop(BundleContext context) throws Exception {
		registration.unregister();
		System.out.println("IRaspberryPi remote service unregistered");
	}

}