/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.avalon.excalibur.logger.factory;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.logger.AvalonFormatter;
import org.apache.log.format.ExtendedPatternFormatter;
import org.apache.log.format.Formatter;
import org.apache.log.format.PatternFormatter;
import org.apache.log.format.RawFormatter;
import org.apache.log.format.SyslogFormatter;
import org.apache.log.format.XMLFormatter;
/**
* Factory for Formatters.
*
* @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
*/
public class FormatterFactory
{
//Format of default formatter
private static final String FORMAT =
"%7.7{priority} %5.5{time} [%8.8{category}] (%{context}): %{message}\\n%{throwable}";
public Formatter createFormatter( final Configuration conf )
{
final String type = conf.getAttribute( "type", "pattern" );
final String format = conf.getValue( FORMAT );
if( "avalon".equals( type ) )
{
final int depth = conf.getAttributeAsInteger( "depth", AvalonFormatter.DEFAULT_STACK_DEPTH );
final boolean printCascading = conf.getAttributeAsBoolean( "cascading", AvalonFormatter.DEFAULT_PRINT_CASCADING );
return new AvalonFormatter( format, depth, printCascading );
}
else if( "extended".equals( type ) )
{
/*Normally ExtendPatternFormatter would look for callers
*of Logger.class. But when Excalibur Logger provides a
*facade, the user class/method is actually one-level deeper.
*We therefore create the pattern-formatter with an
*additional depth-offset of 1.
*/
return new ExtendedPatternFormatter( format, 1 );
}
else if( "raw".equals( type ) )
{
return new RawFormatter();
}
else if( "xml".equals( type ) )
{
return new XMLFormatter();
}
else if( "syslog".equals( type ) )
{
return new SyslogFormatter();
}
else if( "pattern".equals( type ) )
{
return new PatternFormatter( format );
}
else
{
throw new IllegalArgumentException( "Unknown formatter type " + type );
}
}
}