package net.sourceforge.squirrel_sql.client;
/*
* Copyright (C) 2001-2006 Colin Bell
* colbell@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.io.File;
import java.io.IOException;
import org.apache.log4j.DailyRollingFileAppender;
import org.apache.log4j.PatternLayout;
import net.sourceforge.squirrel_sql.client.util.ApplicationFiles;
/**
* This log4j appender writes out to the
* <TT>ApplicationFiles.getExecutionLogFile()</TT> file.
*
* @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
*/
public class SquirrelAppender extends DailyRollingFileAppender
{
/**
* Default ctor.
*/
public SquirrelAppender() throws IOException
{
super(new PatternLayout("%-4r [%t] %-5p %c %x - %m%n"),
getLogFile().getAbsolutePath(), "'.'yyyy-ww");
}
/**
* Retrieve the file to write the execution log to.
*
* @return File to write execution log to.
*/
private static File getLogFile()
{
final File logFile = new ApplicationFiles().getExecutionLogFile();
if (logFile == null)
{
throw new IllegalStateException("null ExecutionLogFile in ApplicationFiles");
}
return logFile;
}
}