/*******************************************************************************
 * Copyright (c) 2010 SAP AG.
 * 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:
 *    Emil Simeonov - initial API and implementation.
 *    Dimitar Donchev - initial API and implementation.
 *    Dimitar Tenev - initial API and implementation.
 *    Nevena Manova - initial API and implementation.
 *    Georgi Konstantinov - initial API and implementation.
 *******************************************************************************/
package org.eclipse.wst.sse.sieditor.core;

import org.eclipse.osgi.service.debug.DebugOptions;
import org.eclipse.osgi.service.debug.DebugTrace;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;

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

	// The plug-in ID
	public static final String PLUGIN_ID = "org.eclipse.wst.sse.sieditor.core"; //$NON-NLS-1$

	// The shared instance
	private static SIEditorCoreActivator plugin;
	
	private ServiceTracker debugTracker;
	
	private DebugTrace debugTrace; 
	
	/**
	 * The constructor
	 */
	public SIEditorCoreActivator() {
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
		debugTracker = new ServiceTracker(context, DebugOptions.class.getName(), null);
		debugTracker.open();
		debugTrace = ((DebugOptions) debugTracker.getService()).newDebugTrace(context.getBundle().getSymbolicName()); 
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
		plugin = null;
		if (debugTracker != null) {
			debugTracker.close();
		}
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 *
	 * @return the shared instance
	 */
	public static SIEditorCoreActivator getDefault() {
		return plugin;
	}
	
	public DebugTrace getDebugTrace() {
		return debugTrace;
	}
	
}