package org.eclipse.ecf.internal.console;

import org.eclipse.osgi.framework.console.CommandProvider;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;

public class Activator implements BundleActivator {

	private BundleContext context;
	
	private ECFCommandProvider commandProvider;
	private ServiceRegistration commandProviderRegistration;
	
	/*
	 * (non-Javadoc)
	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		this.context = context;
		this.commandProvider = new ECFCommandProvider(this.context);
		commandProviderRegistration = this.context.registerService(CommandProvider.class.getName(), commandProvider, null);
	}

	/*
	 * (non-Javadoc)
	 * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
		if (commandProviderRegistration != null) {
			commandProviderRegistration.unregister();
			commandProviderRegistration = null;
		}
		if (commandProvider != null) {
			commandProvider.dispose();
			commandProvider = null;
		}
		this.context = null;
	}

}