TracerPlugin.java

/*
Copyright (C) 2011 by Lars Schuetze (lschuetze@gmx.net)

This file is part of the OCL 2 Interpreter of Dresden OCL2 for Eclipse.

Dresden OCL2 for Eclipse is free software: you can redistribute it and/or modify 
it under the terms of the GNU Lesser General Public License as published by the 
Free Software Foundation, either version 3 of the License, or (at your option)
any later version.

Dresden OCL2 for Eclipse is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
for more details.

You should have received a copy of the GNU Lesser General Public License along 
with Dresden OCL2 for Eclipse. If not, see <http://www.gnu.org/licenses/>.
 */
package org.dresdenocl.tracer;

import org.apache.log4j.Logger;
import org.eclipse.core.runtime.Plugin;
import org.osgi.framework.BundleContext;

import org.dresdenocl.logging.LoggingPlugin;

/**
 * <p>
 * This plug-in enables tracing of the interpretation of OCL from the
 * interpreter plug-in.
 * </p>
 * 
 * @author Lars Schuetze
 */
public class TracerPlugin extends Plugin {

	/** the plug-in ID */
	public static final String PLUGIN_ID = "org.dresdenocl.tracer";

	/** the shared instance of the plug-in */
	private static TracerPlugin plugin;

	/**
	 * The constructor
	 */
	public TracerPlugin() {

		// remains empty
		//
	}

	/*
	 * (non-Javadoc)
	 * @see
	 * org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
	 */
	@Override
	public void start(BundleContext bundleContext) throws Exception {

		super.start(bundleContext);

		plugin = this;

		// configure custom logging properties.
		//
		LoggingPlugin.configureDefaultLogging(plugin);
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
	 */
	@Override
	public void stop(BundleContext bundleContext) throws Exception {

		plugin = null;
		super.stop(bundleContext);
	}

	/**
	 * <p>
	 * Facade method for the classes in this plug-in that hides the dependency
	 * from the <code>org.dresdenocl.logging</code> plug-in.
	 * </p>
	 * 
	 * @param clazz
	 *          The {@link Class} to return the {@link Logger} for.
	 * 
	 * @return A log4j {@link Logger}> instance.
	 * 
	 * @generated NOT
	 */
	public static Logger getLogger(Class<?> clazz) {

		return LoggingPlugin.getLogManager(plugin).getLogger(clazz);
	}

}