Activator.java

/***********************************************************************
 * Copyright (c) 2007 Anyware Technologies
 * 
 * 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:
 *    Anyware Technologies - initial API and implementation
 *
 * $Id: Activator.java,v 1.4 2008/05/19 09:26:31 jlescot Exp $
 **********************************************************************/

package org.eclipse.emf.ecoretools.internal;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
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.emf.ecoretools"; //$NON-NLS-1$

	// The shared instance
	private static Activator plugin;

	/**
	 * The constructor
	 */
	public Activator() {
		plugin = this;
	}

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

	/**
	 * @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;
	}

	/**
	 * Log an IStatus
	 * 
	 * @param status
	 *            Status of an operation
	 */
	public static void log(IStatus status) {
		getDefault().getLog().log(status);
	}

	/**
	 * Log a message with given level into the Eclipse log file
	 * 
	 * @param message
	 *            the message to log
	 * @param level
	 *            the message priority
	 */
	public static void log(String message, int level) {
		IStatus status = null;
		status = new Status(level, PLUGIN_ID, IStatus.OK, message, null);
		log(status);
	}

	/**
	 * Log an exception into the Eclipse log file
	 * 
	 * @param e
	 *            the exception to log
	 */
	public static void log(Throwable e) {
		if (e instanceof InvocationTargetException)
			e = ((InvocationTargetException) e).getTargetException();

		IStatus status = null;
		if (e instanceof CoreException)
			status = ((CoreException) e).getStatus();
		else
			status = new Status(IStatus.ERROR, PLUGIN_ID, IStatus.OK, Messages.Activator_Error, e);

		log(status);
	}
}