donaldp 2002/11/09 16:52:08
Added: src/java/org/apache/avalon/framework/logger
LogKit2AvalonLoggerAdapter.java
Log:
Add in adapter that adapts an Avalon Logger to a LogKit Logger
Revision Changes Path
1.1
jakarta-avalon/src/java/org/apache/avalon/framework/logger/LogKit2AvalonLoggerAdapter.java
Index: LogKit2AvalonLoggerAdapter.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
package org.apache.avalon.framework.logger;
import org.apache.avalon.framework.logger.Logger;
import org.apache.log.Hierarchy;
import org.apache.log.LogEvent;
import org.apache.log.LogTarget;
import org.apache.log.Priority;
/**
* A basic adapter that adapts an Avalon Logger to a Logkit Logger.
* Useful when providing backwards compatability support for Loggable
* components.
*
* @author <a href="mailto:peter@;apache.org">Peter Donald</a>
* @version $Revision: 1.1 $ $Date: 2002/11/10 00:52:08 $
*/
public final class LogKit2AvalonLoggerAdapter
implements LogTarget
{
/**
* The Avalon Logger that we re-route to.
*/
private final Logger m_logger;
/**
* Create a Logkit {@link org.apache.log.Logger} instance that
* redirects to an Avalon {@link org.apache.avalon.framework.logger.Logger}
instance.
*
* @param logger the Avalon Logger
* @return the LogKit Logger
*/
public static org.apache.log.Logger createLogger( final Logger logger )
{
final Hierarchy hierarchy = new Hierarchy();
final org.apache.log.Logger logKitLogger = hierarchy.getLoggerFor( "" );
final LogKit2AvalonLoggerAdapter target =
new LogKit2AvalonLoggerAdapter( logger );
logKitLogger.setLogTargets( new LogTarget[ ] { target } );
return logKitLogger;
}
/**
* Private constructor to make an adaptor. Made private so that
* it can not be used outisde of the above factory method.
*
* @param logger the avalon logger.
*/
private LogKit2AvalonLoggerAdapter( final Logger logger )
{
if( null == logger )
{
throw new NullPointerException( "logger" );
}
m_logger = logger;
}
/**
* Route a LogKit message to an avalon Logger.
*
* @param event the log message
*/
public void processEvent( LogEvent event )
{
final String message = event.getMessage();
final Throwable throwable = event.getThrowable();
final Priority priority = event.getPriority();
if( Priority.DEBUG == priority )
{
m_logger.debug( message, throwable );
}
else if( Priority.INFO == priority )
{
m_logger.info( message, throwable );
}
else if( Priority.WARN == priority )
{
m_logger.warn( message, throwable );
}
else if( Priority.ERROR == priority )
{
m_logger.error( message, throwable );
}
else
{
m_logger.fatalError( message, throwable );
}
}
}
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