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
024import java.util.Collection;
025import java.util.ArrayList;
026
027/**
028 * @author sstrohschein
029 *         <br>Date: 21.10.2008
030 *         <br>Time: 23:13:12
031 */
032public abstract class AbstractClientLogger implements ClientLogger
033{
034    private final Collection<ClientLogger> myAttachedLoggers;
035
036    protected AbstractClientLogger() {
037        myAttachedLoggers = new ArrayList<ClientLogger>();
038    }
039
040    public void log(String aMessage) {
041        log_internal(aMessage);
042        for(ClientLogger theLogger: myAttachedLoggers) {
043            theLogger.log(aMessage);
044        }
045    }
046
047    public void error(String aMessage) {
048        error_internal(aMessage);
049        for(ClientLogger theLogger: myAttachedLoggers) {
050            theLogger.error(aMessage);
051        }
052    }
053
054    public void error(String aMessage, Throwable aThrowable) {
055        error_internal(aMessage, aThrowable);
056        for(ClientLogger theLogger: myAttachedLoggers) {
057            theLogger.error(aMessage, aThrowable);
058        }
059    }
060
061    public void attach(ClientLogger aClientLogger) {
062        myAttachedLoggers.add(aClientLogger);
063    }
064
065    public void detach(ClientLogger aClientLogger) {
066        myAttachedLoggers.remove(aClientLogger);
067    }
068
069    protected abstract void log_internal(String aMessage);
070
071    protected abstract void error_internal(String aMessage);
072
073    protected abstract void error_internal(String aMessage, Throwable aThrowable);
074}