analysis/safetyreq/profile/org.polarsys.esf.safetyreq.profile/src/main/java/org/polarsys/esf/safetyreq/profile/ESFSafetyReqProfileActivator.java

/*******************************************************************************
 * Copyright (c) 2016 ALL4TEC & CEA LIST.
 * 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:
 *     ALL4TEC & CEA LIST - initial API and implementation
 *******************************************************************************/
package org.polarsys.esf.safetyreq.profile;

import org.eclipse.emf.common.EMFPlugin;
import org.eclipse.emf.common.util.ResourceLocator;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle.
 * Central singleton for the ESFSafetyReq Profile plug-in.
 *
 * @author $Author: ymunoz $
 * @version $Revision: 183 $
 */
public final class ESFSafetyReqProfileActivator
	extends EMFPlugin
	implements BundleActivator {

	/** Keep track of the encapsulating singleton. */
	public static final ESFSafetyReqProfileActivator INSTANCE = new ESFSafetyReqProfileActivator();

	/** Execution context for the bundle. */
	private static BundleContext sBundleContext = null;

	/** Keep track of the implementation singleton. */
	private static Implementation sPlugin = null;

	/**
	 * Create the instance.
	 */
	public ESFSafetyReqProfileActivator() {
		super(new ResourceLocator[] {});
	}

	/**
	 * Get BundlexContext.
	 *
	 * @return BundleContext
	 */
	public static BundleContext getContext() {
		return sBundleContext;
	}

	/**
	 * {@inheritDoc}
	 *
	 * Added to ensure that the activator can work with the profile mechanisms.
	 */
	@Override
	public void start(final BundleContext pContext) throws Exception {
		sBundleContext = pContext;

		// Manually create the plugin implementation
		sPlugin = new Implementation();
	}

	/**
	 * {@inheritDoc}
	 *
	 * Added to ensure that the activator can work with the profile mechanisms.
	 */
	@Override
	public void stop(final BundleContext pContext) throws Exception {
		sBundleContext = null;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public ResourceLocator getPluginResourceLocator() {
		return sPlugin;
	}

	/**
	 * Returns the singleton instance of the Eclipse plugin.
	 *
	 * @return The singleton instance
	 */
	public static Implementation getPlugin() {
		return sPlugin;
	}

	/**
	 * The actual implementation of the Eclipse <b>UIPlugin</b>.
	 */
	public static class Implementation
		extends EclipsePlugin {

		/**
		 * Creates an instance.
		 */
		public Implementation() {
			super();
		}
	}
}