lookAndFeel/plugins/org.eclipse.papyrus.uml.diagram.clazz.lf.autosizeableclasses/src/org/eclipse/papyrus/uml/diagram/clazz/lf/autosizeableclasses/Activator.java

/*****************************************************************************
 * Copyright (c) 2019 CEA LIST.
 *
 *
 * 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:
 *  Xavier Le Pallec (for CEA LIST) xlepallec@lilo.org - Bug 558456
 *
 *****************************************************************************/

package org.eclipse.papyrus.uml.diagram.clazz.lf.autosizeableclasses;

import org.eclipse.papyrus.infra.core.log.LogHelper;
import org.eclipse.papyrus.uml.diagram.clazz.lf.autosizeableclasses.messages.Messages;
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.uml.diagram.clazz.lf.autosizeableclasses"; //$NON-NLS-1$

	// The shared instance
	private static Activator plugin;

	private LogHelper myLogHelper;
	
	/**
	 * The constructor
	 */
	public Activator() {
		// this constructor is required to implement the extension point. 
	}

	@Override
	public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
	}

	@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;
	}

	/**
	 * Logs an error through a message (param)
	 * @param error
	 */
	public void logError(String error) {
		getLogHelper().warn(error);
	}

	/**
	 * Logs an error through a message and an exception (params)
	 * @param error
	 * @param throwable
	 */
	public void logError(String error, Throwable throwable) {
		getLogHelper().error(error, throwable);
	}

	/**
	 * Logs an information through a message (param)
	 * @param message
	 */
	public void logInfo(String message) {
		getLogHelper().info(message);
	}

	/**
	 * Logs an information through a message and an exception (params)
	 * @param message
	 * @param throwable
	 */
	public void logInfo(String message, Throwable throwable) {
		getLogHelper().error(message, throwable);
	}

	/**
	 * Gets the LogHelper
	 * @return
	 */
	public LogHelper getLogHelper() {
		if (myLogHelper==null) {
			myLogHelper=new LogHelper(getDefault());
		}
		return myLogHelper;
	}

	public void logNullParameter(String parameterName) {
		getLogHelper().warn(Messages.Activator_Parameter+parameterName+Messages.Activator_IsNullInMethod+getMethodName(4));
	}
	
	public void logNullParameter(String parameterName, int deep) {
		getLogHelper().warn(Messages.Activator_Parameter+parameterName+Messages.Activator_IsNullInMethod+getMethodName(deep));
	}
	
	public void logCastProblem(String variableName, Class targetCastClass, int deep) {
		getLogHelper().warn(variableName+Messages.Activator_CannotBeCastedIn+targetCastClass.getName()+Messages.Activator_InMethod+getMethodName(deep));
	}
	
	public void logCastProblem(String variableName, Class targetCastClass) {
		getLogHelper().warn(variableName+Messages.Activator_CannotBeCastedIn+targetCastClass.getName()+Messages.Activator_InMethod+getMethodName(3));
	}
	
	/**
	 * Get the method name for a depth in call stack. <br />
	 * Utility function
	 * @param depth depth in the call stack (0 means current method, 1 means call method, ...)
	 * @return method name
	 */
	public static String getMethodName(int deep)
	{
	  final StackTraceElement[] ste = Thread.currentThread().getStackTrace();
	  return ste[deep].getMethodName()+" ("+ste[deep].getClassName()+")"; 
	}
}