/*****************************************************************************
 * Copyright (c) 2019 CEA LIST, and others.
 *
 * All rights reserved. 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:
 *   Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Initial API and implementation
 *
 *****************************************************************************/

package org.eclipse.papyrus.sysml16.requirements.extension.ui;

import org.eclipse.papyrus.infra.core.log.LogHelper;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle.
 */
public class Activator extends AbstractUIPlugin {

	/**
	 * The plug-in ID.
	 */
	public static final String PLUGIN_ID = "org.eclipse.papyrus.sysml16.requirements.extension.ui"; //$NON-NLS-1$

	/**
	 * The shared instance.
	 */
	private static Activator plugin;

	/** Logging helper. */
	private static LogHelper logHelper;

	/**
	 * The constructor.
	 */
	public Activator() {
	}

	/**
	 * {@inheritDoc}
	 *
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
	 */
	@Override
	public void start(final BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
		logHelper = new LogHelper(plugin);
	}

	/**
	 * {@inheritDoc}
	 *
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	@Override
	public void stop(BundleContext context) throws Exception {
		plugin = null;
		super.stop(context);
	}

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

	/**
	 * Returns the log helper.
	 *
	 * @return the log helper.
	 */
	public static LogHelper getLogHelper() {
		return logHelper;
	}

}