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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/*******************************************************************************
 * Copyright (c) 2006, 2014 IBM Corporation and others.
 *
 * 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:
 *     Andrew Niefer - IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.runtime.internal.adaptor;

import java.lang.reflect.Method;
import org.eclipse.core.runtime.adaptor.EclipseStarter;
import org.eclipse.osgi.internal.debug.Debug;
import org.eclipse.osgi.internal.framework.EquinoxConfiguration;
import org.eclipse.osgi.service.runnable.StartupMonitor;

public class DefaultStartupMonitor implements StartupMonitor {

	private final Method updateMethod;
	private final Runnable splashHandler;
	private final EquinoxConfiguration equinoxConfig;

	/**
	 * Create a new startup monitor using the given splash handler.  The splash handle must
	 * have an updateSplash method.
	 *
	 * @param splashHandler
	 * @throws IllegalStateException
	 */
	public DefaultStartupMonitor(Runnable splashHandler, EquinoxConfiguration equinoxConfig) throws IllegalStateException {
		this.splashHandler = splashHandler;
		this.equinoxConfig = equinoxConfig;

		try {
			updateMethod = splashHandler.getClass().getMethod("updateSplash", (Class[]) null); //$NON-NLS-1$
		} catch (SecurityException | NoSuchMethodException e) {
			//TODO maybe we could do something else in the update method in this case, like print something to the console?
			throw new IllegalStateException(e.getMessage(), e);
		}

	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.runtime.adaptor.StartupMonitor#update()
	 */
	@Override
	public void update() {
		if (updateMethod != null) {
			try {
				updateMethod.invoke(splashHandler, (Object[]) null);
			} catch (Throwable e) {
				// ignore, this is best effort
			}
		} else {
			//TODO maybe we could print something interesting to the console?
		}
	}

	@Override
	public void applicationRunning() {
		if (EclipseStarter.debug) {
			String timeString = equinoxConfig.getConfiguration("eclipse.startTime"); //$NON-NLS-1$
			long time = timeString == null ? 0L : Long.parseLong(timeString);
			Debug.println("Application started in : " + (System.currentTimeMillis() - time) + "ms"); //$NON-NLS-1$ //$NON-NLS-2$
		}
		splashHandler.run();
	}
}