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/*******************************************************************************
 * Copyright (c) 2006, 2012 PalmSource, Inc.and others.
 *
 * This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License 2.0 
 * which accompanies this distribution, and is available at 
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0 
 * 
 * Contributors: 
 * Ewa Matejska    (PalmSource)       
 * Anna Dushistova (Mentor Graphics) - [314659] move remote launch/debug to DSF 
 *******************************************************************************/

package org.eclipse.cdt.internal.launch.remote;

import org.eclipse.core.runtime.Plugin;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;

/**
 * The main plugin class to be used in the desktop.
 */
public class Activator extends Plugin {

	// The plug-in ID
	public static final String PLUGIN_ID = "org.eclipse.cdt.launch.remote"; //$NON-NLS-1$

	/* The shared instance */
	private static Activator plugin;
	
	/**
	 * The constructor.
	 */
	public Activator() {
		plugin = this;
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.core.runtime.Plugin#start(org.osgi.framework.BundleContext)
	 */
	@Override
	public void start(BundleContext context) throws Exception {
		super.start(context);
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
	 */
	@Override
	public void stop(BundleContext context) throws Exception {
		super.stop(context);
		plugin = null;
	}

	/**
	 * Returns the shared instance.
	 *
	 * @return the shared instance.
	 */
	public static Activator getDefault() {
		return plugin;
	}

	public static BundleContext getBundleContext() {
		return getDefault().getBundle().getBundleContext();
	}

	/**
	 * Return the OSGi service with the given service interface.
	 *
	 * @param service service interface
	 * @return the specified service or null if it's not registered
	 */
	public static <T> T getService(Class<T> service) {
		BundleContext context = Activator.getBundleContext();
		ServiceReference<T> ref = context.getServiceReference(service);
		return ref != null ? context.getService(ref) : null;
	}
}

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