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package org.apache.maven.cli.logging;
/*
* 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.
*/
import org.codehaus.plexus.logging.Logger;
import org.codehaus.plexus.logging.LoggerManager;
import org.slf4j.ILoggerFactory;
import org.slf4j.LoggerFactory;
/**
* Use an SLF4J {@link org.slf4j.ILoggerFactory} as a backing for a Plexus
* {@link org.codehaus.plexus.logging.LoggerManager},
* ignoring Plexus logger API parts that are not classical and probably not really used.
*
* @author Jason van Zyl
* @since 3.1
*/
public class Slf4jLoggerManager
implements LoggerManager
{
private ILoggerFactory loggerFactory;
public Slf4jLoggerManager()
{
loggerFactory = LoggerFactory.getILoggerFactory();
}
public Logger getLoggerForComponent( String role )
{
return new Slf4jLogger( loggerFactory.getLogger( role ) );
}
/**
* The logger name for a component with a non-null hint is <code>role.hint</code>.
* <b>Warning</b>: this does not conform to logger name as class name convention.
* (and what about <code>null</code> and <code>default</code> hint equivalence?)
*/
public Logger getLoggerForComponent( String role, String hint )
{
return ( null == hint
? getLoggerForComponent( role )
: new Slf4jLogger( loggerFactory.getLogger( role + '.' + hint ) ) );
}
//
// Trying to give loggers back is a bad idea. Ceki said so :-)
// notice to self: what was this method supposed to do?
//
/**
* <b>Warning</b>: ignored.
*/
public void returnComponentLogger( String role )
{
}
/**
* <b>Warning</b>: ignored.
*/
public void returnComponentLogger( String role, String hint )
{
}
/**
* <b>Warning</b>: ignored (always return <code>0</code>).
*/
public int getThreshold()
{
return 0;
}
/**
* <b>Warning</b>: ignored.
*/
public void setThreshold( int threshold )
{
}
/**
* <b>Warning</b>: ignored.
*/
public void setThresholds( int threshold )
{
}
/**
* <b>Warning</b>: ignored (always return <code>0</code>).
*/
public int getActiveLoggerCount()
{
return 0;
}
}
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