com.google.appengine.repackaged.org.apache.commons.logging.impl.Log4JLogger Maven / Gradle / Ivy
/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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.commons.logging.impl;
import java.io.Serializable;
import org.apache.commons.logging.Log;
import org.apache.log4j.Logger;
import org.apache.log4j.Priority;
import org.apache.log4j.Level;
/**
* Implementation of {@link Log} that maps directly to a Log4J
* Logger. Initial configuration of the corresponding
* Logger instances should be done in the usual manner, as outlined in
* the Log4J documentation.
*
* @author Scott Sanders
* @author Rod Waldhoff
* @author Robert Burrell Donkin
* @version $Id: Log4JLogger.java,v 1.11 2004/05/19 21:01:23 rdonkin Exp $
*/
public class Log4JLogger implements Log, Serializable {
// ------------------------------------------------------------- Attributes
/** The fully qualified name of the Log4JLogger class. */
private static final String FQCN = Log4JLogger.class.getName();
private static final boolean is12 = Priority.class.isAssignableFrom(Level.class);
/** Log to this logger */
private transient Logger logger = null;
/** Logger name */
private String name = null;
// ------------------------------------------------------------ Constructor
public Log4JLogger() {
}
/**
* Base constructor.
*/
public Log4JLogger(String name) {
this.name = name;
this.logger = getLogger();
}
/** For use with a log4j factory.
*/
public Log4JLogger(Logger logger ) {
this.name = logger.getName();
this.logger=logger;
}
// --------------------------------------------------------- Implementation
/**
* Log a message to the Log4j Logger with TRACE priority.
* Currently logs to DEBUG level in Log4J.
*/
public void trace(Object message) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.DEBUG, message, null );
} else {
getLogger().log(FQCN, Level.DEBUG, message, null );
}
}
/**
* Log an error to the Log4j Logger with TRACE priority.
* Currently logs to DEBUG level in Log4J.
*/
public void trace(Object message, Throwable t) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.DEBUG, message, t );
} else {
getLogger().log(FQCN, Level.DEBUG, message, t );
}
}
/**
* Log a message to the Log4j Logger with DEBUG priority.
*/
public void debug(Object message) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.DEBUG, message, null );
} else {
getLogger().log(FQCN, Level.DEBUG, message, null );
}
}
/**
* Log an error to the Log4j Logger with DEBUG priority.
*/
public void debug(Object message, Throwable t) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.DEBUG, message, t );
} else {
getLogger().log(FQCN, Level.DEBUG, message, t );
}
}
/**
* Log a message to the Log4j Logger with INFO priority.
*/
public void info(Object message) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.INFO, message, null );
} else {
getLogger().log(FQCN, Level.INFO, message, null );
}
}
/**
* Log an error to the Log4j Logger with INFO priority.
*/
public void info(Object message, Throwable t) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.INFO, message, t );
} else {
getLogger().log(FQCN, Level.INFO, message, t );
}
}
/**
* Log a message to the Log4j Logger with WARN priority.
*/
public void warn(Object message) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.WARN, message, null );
} else {
getLogger().log(FQCN, Level.WARN, message, null );
}
}
/**
* Log an error to the Log4j Logger with WARN priority.
*/
public void warn(Object message, Throwable t) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.WARN, message, t );
} else {
getLogger().log(FQCN, Level.WARN, message, t );
}
}
/**
* Log a message to the Log4j Logger with ERROR priority.
*/
public void error(Object message) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.ERROR, message, null );
} else {
getLogger().log(FQCN, Level.ERROR, message, null );
}
}
/**
* Log an error to the Log4j Logger with ERROR priority.
*/
public void error(Object message, Throwable t) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.ERROR, message, t );
} else {
getLogger().log(FQCN, Level.ERROR, message, t );
}
}
/**
* Log a message to the Log4j Logger with FATAL priority.
*/
public void fatal(Object message) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.FATAL, message, null );
} else {
getLogger().log(FQCN, Level.FATAL, message, null );
}
}
/**
* Log an error to the Log4j Logger with FATAL priority.
*/
public void fatal(Object message, Throwable t) {
if(is12) {
getLogger().log(FQCN, (Priority) Level.FATAL, message, t );
} else {
getLogger().log(FQCN, Level.FATAL, message, t );
}
}
/**
* Return the native Logger instance we are using.
*/
public Logger getLogger() {
if (logger == null) {
logger = Logger.getLogger(name);
}
return (this.logger);
}
/**
* Check whether the Log4j Logger used is enabled for DEBUG priority.
*/
public boolean isDebugEnabled() {
return getLogger().isDebugEnabled();
}
/**
* Check whether the Log4j Logger used is enabled for ERROR priority.
*/
public boolean isErrorEnabled() {
if(is12) {
return getLogger().isEnabledFor((Priority) Level.ERROR);
} else {
return getLogger().isEnabledFor(Level.ERROR);
}
}
/**
* Check whether the Log4j Logger used is enabled for FATAL priority.
*/
public boolean isFatalEnabled() {
if(is12) {
return getLogger().isEnabledFor((Priority) Level.FATAL);
} else {
return getLogger().isEnabledFor(Level.FATAL);
}
}
/**
* Check whether the Log4j Logger used is enabled for INFO priority.
*/
public boolean isInfoEnabled() {
return getLogger().isInfoEnabled();
}
/**
* Check whether the Log4j Logger used is enabled for TRACE priority.
* For Log4J, this returns the value of isDebugEnabled()
*/
public boolean isTraceEnabled() {
return getLogger().isDebugEnabled();
}
/**
* Check whether the Log4j Logger used is enabled for WARN priority.
*/
public boolean isWarnEnabled() {
if(is12) {
return getLogger().isEnabledFor((Priority) Level.WARN);
} else {
return getLogger().isEnabledFor(Level.WARN);
}
}
}