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JulLogger.java
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JulLogger.java
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/*
* Copyright (c) 2010-2021 Mark Allen, Norbert Bartels.
*
* 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, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* 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. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.restfb.logging;
import java.util.Optional;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
/**
* Logger implementation based on {@code java.util.logging}.
*
* The JUL configuration should be provided by a external application. The mapping is defined like:
* <ul>
* <li>trace maps to java.util.logging.Level.<i>FINER</i></li>
* <li>debug maps to java.util.logging.Level.<i>FINE</i></li>
* <li>info maps to java.util.logging.Level.<i>INFO</i></li>
* <li>warn maps to java.util.logging.Level.<i>WARNING</i></li>
* <li>error maps to java.util.logging.Level.<i>SEVERE</i></li>
* <li>fatal maps to java.util.logging.Level.<i>SEVERE</i></li>
* </ul>
*/
public class JulLogger extends RestFBLogger {
private final Logger logger;
public JulLogger(String logName) {
logger = Logger.getLogger(logName);
}
@Override
public void trace(String msg, Object... args) {
createLogMessage(Level.FINER, msg, args);
}
@Override
public void debug(String msg, Object... args) {
createLogMessage(Level.FINE, msg, args);
}
@Override
public void info(String msg, Object... args) {
createLogMessage(Level.INFO, msg, args);
}
@Override
public void warn(String msg, Object... args) {
createLogMessage(Level.WARNING, msg, args);
}
@Override
public void error(String msg, Object... args) {
createLogMessage(Level.SEVERE, msg, args);
}
@Override
public void fatal(String msg, Object... args) {
createLogMessage(Level.SEVERE, msg, args);
}
@Override
public boolean isDebugEnabled() {
return logger.isLoggable(Level.FINE);
}
@Override
public boolean isInfoEnabled() {
return logger.isLoggable(java.util.logging.Level.INFO);
}
@Override
public boolean isTraceEnabled() {
return logger.isLoggable(Level.FINER);
}
private void createLogMessage(Level level, String msg, Object[] args) {
if (logger.isLoggable(level)) {
JulMessage.MessageTuple tuple = JulMessage.convertMessageString(msg, args);
LogRecord logRecord = new LogRecord(level, tuple.getMessage());
Optional.ofNullable(tuple.getThrowable()).ifPresent(logRecord::setThrown);
logRecord.setSourceClassName(null);
logRecord.setSourceMethodName(null);
logRecord.setLoggerName(logger.getName());
logger.log(logRecord);
}
}
}