org.slf4j.LoggerFactory Maven / Gradle / Ivy
/*
* Copyright (c) 2004-2005 SLF4J.ORG
* Copyright (c) 2004-2005 QOS.ch
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons
* to whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
* OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY
* SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
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* or other dealings in this Software without prior written authorization
* of the copyright holder.
*
*/
package org.slf4j;
import org.slf4j.impl.StaticLoggerBinder;
import org.slf4j.impl.Util;
/**
* The LoggerFactory is a utility class producing Loggers for
* various logging APIs, most notably for NLOG4J and JDK 1.4 logging. Other
* implementations such as {@link org.slf4j.impl.NOPLogger NOPLogger} and
* {@link org.slf4j.impl.SimpleLogger SimpleLogger} are also supported.
*
*
* LoggerFactory is essentially a wrapper around an
* {@link ILoggerFactory} instance bound with LoggerFactory at
* compile time.
*
*
* Please note that all methods in LoggerFactory are static.
*
* @author Ceki Gülcü
*/
public final class LoggerFactory {
static ILoggerFactory loggerFactory;
// private constructor prevents instantiation
private LoggerFactory() {
}
static {
try {
loggerFactory = StaticLoggerBinder.SINGLETON.getLoggerFactory();
} catch (Exception e) {
// we should never get here
Util.reportFailure("Failed to instantiate logger ["
+ StaticLoggerBinder.SINGLETON.getLoggerFactoryClassStr() + "]", e);
}
}
/**
* Return a logger named according to the name parameter using the statically
* bound {@link ILoggerFactory} instance.
*
* @param name
* The name of the logger.
* @return logger
*/
public static Logger getLogger(String name) {
return loggerFactory.getLogger(name);
}
/**
* Return a logger named corresponding to the class passed as parameter, using
* the statically bound {@link ILoggerFactory} instance.
*
* @param clazz
* the returned logger will be named after clazz
* @return logger
*/
public static Logger getLogger(Class clazz) {
return loggerFactory.getLogger(clazz.getName());
}
/**
* Return the {@link ILoggerFactory} instance in use.
*
*
ILoggerFactory instance is bound with this class at compile
* time.
*
* @return the ILoggerFactory instance in use
*/
public static ILoggerFactory getILoggerFactory() {
return loggerFactory;
}
}