/*****************************************************************************
 * Copyright (c) 2015 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:
 *  Juan Cadavid (CEA LIST) juan.cadavid@cea.fr - Initial API and implementation
 *****************************************************************************/
package org.eclipse.papyrus.bpmn;

import java.io.IOException;
import java.net.URL;

import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Platform;
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.bpmn"; //$NON-NLS-1$

	// The shared instance
	private static Activator plugin;
	
	final private static Logger log = Logger.getLogger(Activator.class);
	
	/**
	 * The constructor
	 */
	public Activator() {
	}

	/*
	 * (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;
		
        URL confURL = getBundle().getEntry("resources/log4j.properties");

		try {
        	String file = FileLocator.toFileURL(confURL).getFile();
        	PropertyConfigurator.configure(file);
        }
        catch(IOException e) {
        	System.err.println(e.getMessage());
        }

        log.info("Logging using log4j (" + FileLocator.toFileURL(confURL).getFile()+")");
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	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;
	}

}