/*
* This file is part of aion-emu <aion-emu.com>.
*
* aion-emu 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 3 of the License, or
* (at your option) any later version.
*
* aion-emu 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 aion-emu. If not, see <http://www.gnu.org/licenses/>.
*/
package com.aionemu.commons.log4j;
import org.apache.log4j.Logger;
import org.apache.log4j.Priority;
/**
* This class is designed to handle situations when log4J was called like:<br>
*
* <pre>
* org.apache.log4j.Logger#log(Throwable)
* </pre>
*
* <p/>
* In such cases this logger will take message from throwable and set it as message. Throwable will be threated as real
* throwable, so no stacktraces would be lost.
*
* @author SoulKeeper
*/
public class ThrowableAsMessageLogger extends Logger
{
/**
* Creates new instance of this logger
*
* @param name
* logger's name
*/
protected ThrowableAsMessageLogger(String name)
{
super(name);
}
/**
* This method checks if message is instance of throwbale and throwable is null. If it is so it will move message to
* throwable and set localized message of throwable as message of the log record
*
* @param fqcn
* fully qualified class name, it would be used to get the line of call
* @param level
* level of log record
* @param message
* message of log record
* @param t
* throwable, if any present
*/
@Override
protected void forcedLog(String fqcn, Priority level, Object message, Throwable t)
{
if(message instanceof Throwable && t == null)
{
t = (Throwable) message;
message = t.getLocalizedMessage();
}
super.forcedLog(fqcn, level, message, t);
}
}