ExceptionHandler.java

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * For information about the authors of this project Have a look
 * at the AUTHORS file in the root of this project.
 */
package net.sourceforge.fullsync;

public abstract class ExceptionHandler {
	private static ExceptionHandler singleton = new ExceptionHandler() {
		@Override
		protected void doReportException(String message, Throwable exception) {
			exception.printStackTrace();
		}
	};

	public static ExceptionHandler registerExceptionHandler(ExceptionHandler handler) {
		ExceptionHandler temp = singleton;
		singleton = handler;
		return temp;
	}

	public static void reportException(Throwable exception) {
		if (singleton != null) {
			singleton.doReportException("An exception occured:\n" + exception.getMessage(), exception);
		}
	}

	public static void reportException(String message, Throwable exception) {
		if (singleton != null) {
			singleton.doReportException(message, exception);
		}
	}

	protected abstract void doReportException(String message, Throwable exception);
}