LogServiceLogCatcher.java

/*******************************************************************************
 * Copyright (c) 2007, 2014 compeople AG and others.
 * 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:
 *    compeople AG - initial API and implementation
 *******************************************************************************/
package org.eclipse.riena.core.logging;

import org.osgi.service.log.LogEntry;
import org.osgi.service.log.LogListener;
import org.osgi.service.log.LogReaderService;

import org.eclipse.equinox.log.ExtendedLogReaderService;

import org.eclipse.riena.core.Log4r;
import org.eclipse.riena.core.injector.Inject;
import org.eclipse.riena.core.injector.service.ServiceInjector;
import org.eclipse.riena.internal.core.Activator;

/**
 *
 */
public class LogServiceLogCatcher implements ILogCatcher, LogListener {

	private ServiceInjector logReaderInjector = null;

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.riena.core.logging.ILogCatcher#attach()
	 */
	public void attach() {
		logReaderInjector = Inject.service(LogReaderService.class).useRanking().into(this)
				.andStart(Activator.getDefault().getContext());
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.riena.core.logging.ILogCatcher#detach()
	 */
	public void detach() {
		if (logReaderInjector == null) {
			return;
		}
		logReaderInjector.stop();
	}

	public void bind(final LogReaderService logReaderService) {
		if (logReaderService instanceof ExtendedLogReaderService) {
			return;
		}
		logReaderService.addLogListener(this);
	}

	public void unbind(final LogReaderService logReaderService) {
		if (logReaderService instanceof ExtendedLogReaderService) {
			return;
		}
		logReaderService.removeLogListener(this);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.osgi.service.log.LogListener#logged(org.osgi.service.log.LogEntry)
	 */
	public void logged(final LogEntry entry) {
		Log4r.getLogger(Activator.getDefault(), "Bundle " + entry.getBundle()).log(entry.getServiceReference(), //$NON-NLS-1$
				entry.getLevel(), entry.getMessage(), entry.getException());
	}
}