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Posted to dev@commons.apache.org by cr...@apache.org on 2002/11/23 04:50:13 UTC
cvs commit: jakarta-commons/logging/src/java/org/apache/commons/logging/impl Log4JLogger.java
craigmcc 2002/11/22 19:50:13
Added: logging/src/java/org/apache/commons/logging/impl
Log4JLogger.java
Log:
It helps if you actually add the new file as well.
Revision Changes Path
1.1 jakarta-commons/logging/src/java/org/apache/commons/logging/impl/Log4JLogger.java
Index: Log4JLogger.java
===================================================================
/*
* $Header: /home/cvs/jakarta-commons/logging/src/java/org/apache/commons/logging/impl/Log4JLogger.java,v 1.1 2002/11/23 03:50:13 craigmcc Exp $
* $Revision: 1.1 $
* $Date: 2002/11/23 03:50:13 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.logging.impl;
import org.apache.log4j.*;
import org.apache.commons.logging.Log;
import java.util.Enumeration;
/**
* <p>Implementation of {@link Log} that maps directly to a Log4J
* <strong>Logger</strong>. Initial configuration of the corresponding
* Logger instances should be done in the usual manner, as outlined in
* the Log4J documentation.</p>
*
* @author <a href="mailto:sanders@apache.org">Scott Sanders</a>
* @author Rod Waldhoff
* @author Robert Burrell Donkin
* @version $Id: Log4JLogger.java,v 1.1 2002/11/23 03:50:13 craigmcc Exp $
*/
public final class Log4JLogger implements Log {
// ------------------------------------------------------------- Attributes
/** The fully qualified name of the Log4JLogger class. */
private static final String FQCN = Log4JLogger.class.getName();
private static boolean initialized=false;
private static String LAYOUT="%r [%t] %p %c{2} %x - %m%n";
/** Log to this logger */
private Logger logger = null;
// ------------------------------------------------------------ Constructor
public Log4JLogger() {
if( ! initialized ) {
initialize();
}
}
/**
* Base constructor
*/
public Log4JLogger(String name) {
if( ! initialized ) {
initialize();
}
this.logger=Logger.getLogger(name);
}
/** For use with a log4j factory
*/
public Log4JLogger(Logger logger ) {
if( ! initialized ) {
initialize();
}
this.logger=logger;
}
// ---------------------------------------------------------- Implmentation
private void initialize() {
Logger root=Logger.getRootLogger();
Enumeration appenders=root.getAllAppenders();
if( appenders==null || ! appenders.hasMoreElements() ) {
// No config, set some defaults ( consistent with
// commons-logging patterns ).
ConsoleAppender app=new ConsoleAppender(new PatternLayout( LAYOUT ),
ConsoleAppender.SYSTEM_ERR );
app.setName("commons-logging");
root.addAppender( app );
root.setPriority( Priority.INFO );
}
initialized=true;
}
/**
* Log a message to the Log4j Logger with <code>TRACE</code> priority.
* Currently logs to <code>DEBUG</code> level in Log4J.
*/
public void trace(Object message) {
logger.log(FQCN, Priority.DEBUG, message, null);
}
/**
* Log an error to the Log4j Logger with <code>TRACE</code> priority.
* Currently logs to <code>DEBUG</code> level in Log4J.
*/
public void trace(Object message, Throwable t) {
logger.log(FQCN, Priority.DEBUG, message, t );
}
/**
* Log a message to the Log4j Logger with <code>DEBUG</code> priority.
*/
public void debug(Object message) {
logger.log(FQCN, Priority.DEBUG, message, null);
}
/**
* Log an error to the Log4j Logger with <code>DEBUG</code> priority.
*/
public void debug(Object message, Throwable t) {
logger.log(FQCN, Priority.DEBUG, message, t );
}
/**
* Log a message to the Log4j Logger with <code>INFO</code> priority.
*/
public void info(Object message) {
logger.log(FQCN, Priority.INFO, message, null );
}
/**
* Log an error to the Log4j Logger with <code>INFO</code> priority.
*/
public void info(Object message, Throwable t) {
logger.log(FQCN, Priority.INFO, message, t );
}
/**
* Log a message to the Log4j Logger with <code>WARN</code> priority.
*/
public void warn(Object message) {
logger.log(FQCN, Priority.WARN, message, null );
}
/**
* Log an error to the Log4j Logger with <code>WARN</code> priority.
*/
public void warn(Object message, Throwable t) {
logger.log(FQCN, Priority.WARN, message, t );
}
/**
* Log a message to the Log4j Logger with <code>ERROR</code> priority.
*/
public void error(Object message) {
logger.log(FQCN, Priority.ERROR, message, null );
}
/**
* Log an error to the Log4j Logger with <code>ERROR</code> priority.
*/
public void error(Object message, Throwable t) {
logger.log(FQCN, Priority.ERROR, message, t );
}
/**
* Log a message to the Log4j Logger with <code>FATAL</code> priority.
*/
public void fatal(Object message) {
logger.log(FQCN, Priority.FATAL, message, null );
}
/**
* Log an error to the Log4j Logger with <code>FATAL</code> priority.
*/
public void fatal(Object message, Throwable t) {
logger.log(FQCN, Priority.FATAL, message, t );
}
/**
* Return the native Logger instance we are using.
*/
public Logger getLogger() {
return (this.logger);
}
/**
* Check whether the Log4j Logger used is enabled for <code>DEBUG</code> priority.
*/
public boolean isDebugEnabled() {
return logger.isDebugEnabled();
}
/**
* Check whether the Log4j Logger used is enabled for <code>ERROR</code> priority.
*/
public boolean isErrorEnabled() {
return logger.isEnabledFor(Priority.ERROR);
}
/**
* Check whether the Log4j Logger used is enabled for <code>FATAL</code> priority.
*/
public boolean isFatalEnabled() {
return logger.isEnabledFor(Priority.FATAL);
}
/**
* Check whether the Log4j Logger used is enabled for <code>INFO</code> priority.
*/
public boolean isInfoEnabled() {
return logger.isInfoEnabled();
}
/**
* Check whether the Log4j Logger used is enabled for <code>TRACE</code> priority.
* For Log4J, this returns the value of <code>isDebugEnabled()</code>
*/
public boolean isTraceEnabled() {
return logger.isDebugEnabled();
}
/**
* Check whether the Log4j Logger used is enabled for <code>WARN</code> priority.
*/
public boolean isWarnEnabled() {
return logger.isEnabledFor(Priority.WARN);
}
}
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