001/*
002 * GWTEventService
003 * Copyright (c) 2011 and beyond, strawbill UG (haftungsbeschr?nkt)
004 *
005 * This is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU Lesser General Public License as
007 * published by the Free Software Foundation; either version 3 of
008 * the License, or (at your option) any later version.
009 * Other licensing for GWTEventService may also be possible on request.
010 * Please view the license.txt of the project for more information.
011 *
012 * This software is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this software; if not, write to the Free
019 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021 */
022package de.novanic.eventservice.client.logger;
023
024/**
025 * ClientLogger can be used to log at the client side. {@link de.novanic.eventservice.client.logger.ClientLoggerFactory} should
026 * be used to create the ClientLogger.
027 *
028 * @author sstrohschein
029 * <br>Date: 14.08.2008
030 * <br>Time: 21:19:01
031 */
032public interface ClientLogger
033{
034    /**
035     * Logs messages at the info level.
036     * @param aMessage message to log
037     */
038    void log(String aMessage);
039
040    /**
041     * Logs messages at the error level.
042     * @param aMessage message to log
043     */
044    void error(String aMessage);
045
046    /**
047     * Logs messages at the error level.
048     * @param aMessage message to log
049     * @param aThrowable throwable to log
050     */
051    void error(String aMessage, Throwable aThrowable);
052
053    void attach(ClientLogger aClientLogger);
054
055    void detach(ClientLogger aClientLogger);
056}