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/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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.
*/
/**
* Copyright (c) 2004-2011 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, 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 io.netty.util.internal.logging;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
/**
* java.util.logging
* logger.
*/
class JdkLogger extends AbstractInternalLogger {
private static final long serialVersionUID = -1767272577989225979L;
final transient Logger logger;
JdkLogger(Logger logger) {
super(logger.getName());
this.logger = logger;
}
/**
* Is this logger instance enabled for the FINEST level?
*
* @return True if this Logger is enabled for level FINEST, false otherwise.
*/
@Override
public boolean isTraceEnabled() {
return logger.isLoggable(Level.FINEST);
}
/**
* Log a message object at level FINEST.
*
* @param msg
* - the message object to be logged
*/
@Override
public void trace(String msg) {
if (logger.isLoggable(Level.FINEST)) {
log(SELF, Level.FINEST, msg, null);
}
}
/**
* Log a message at level FINEST according to the specified format and
* argument.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for level FINEST.
*
*
* @param format
* the format string
* @param arg
* the argument
*/
@Override
public void trace(String format, Object arg) {
if (logger.isLoggable(Level.FINEST)) {
FormattingTuple ft = MessageFormatter.format(format, arg);
log(SELF, Level.FINEST, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at level FINEST according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the FINEST level.
*
*
* @param format
* the format string
* @param argA
* the first argument
* @param argB
* the second argument
*/
@Override
public void trace(String format, Object argA, Object argB) {
if (logger.isLoggable(Level.FINEST)) {
FormattingTuple ft = MessageFormatter.format(format, argA, argB);
log(SELF, Level.FINEST, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at level FINEST according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the FINEST level.
*
*
* @param format
* the format string
* @param argArray
* an array of arguments
*/
@Override
public void trace(String format, Object... argArray) {
if (logger.isLoggable(Level.FINEST)) {
FormattingTuple ft = MessageFormatter.arrayFormat(format, argArray);
log(SELF, Level.FINEST, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log an exception (throwable) at level FINEST with an accompanying message.
*
* @param msg
* the message accompanying the exception
* @param t
* the exception (throwable) to log
*/
@Override
public void trace(String msg, Throwable t) {
if (logger.isLoggable(Level.FINEST)) {
log(SELF, Level.FINEST, msg, t);
}
}
/**
* Is this logger instance enabled for the FINE level?
*
* @return True if this Logger is enabled for level FINE, false otherwise.
*/
@Override
public boolean isDebugEnabled() {
return logger.isLoggable(Level.FINE);
}
/**
* Log a message object at level FINE.
*
* @param msg
* - the message object to be logged
*/
@Override
public void debug(String msg) {
if (logger.isLoggable(Level.FINE)) {
log(SELF, Level.FINE, msg, null);
}
}
/**
* Log a message at level FINE according to the specified format and argument.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for level FINE.
*
*
* @param format
* the format string
* @param arg
* the argument
*/
@Override
public void debug(String format, Object arg) {
if (logger.isLoggable(Level.FINE)) {
FormattingTuple ft = MessageFormatter.format(format, arg);
log(SELF, Level.FINE, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at level FINE according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the FINE level.
*
*
* @param format
* the format string
* @param argA
* the first argument
* @param argB
* the second argument
*/
@Override
public void debug(String format, Object argA, Object argB) {
if (logger.isLoggable(Level.FINE)) {
FormattingTuple ft = MessageFormatter.format(format, argA, argB);
log(SELF, Level.FINE, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at level FINE according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the FINE level.
*
*
* @param format
* the format string
* @param argArray
* an array of arguments
*/
@Override
public void debug(String format, Object... argArray) {
if (logger.isLoggable(Level.FINE)) {
FormattingTuple ft = MessageFormatter.arrayFormat(format, argArray);
log(SELF, Level.FINE, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log an exception (throwable) at level FINE with an accompanying message.
*
* @param msg
* the message accompanying the exception
* @param t
* the exception (throwable) to log
*/
@Override
public void debug(String msg, Throwable t) {
if (logger.isLoggable(Level.FINE)) {
log(SELF, Level.FINE, msg, t);
}
}
/**
* Is this logger instance enabled for the INFO level?
*
* @return True if this Logger is enabled for the INFO level, false otherwise.
*/
@Override
public boolean isInfoEnabled() {
return logger.isLoggable(Level.INFO);
}
/**
* Log a message object at the INFO level.
*
* @param msg
* - the message object to be logged
*/
@Override
public void info(String msg) {
if (logger.isLoggable(Level.INFO)) {
log(SELF, Level.INFO, msg, null);
}
}
/**
* Log a message at level INFO according to the specified format and argument.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the INFO level.
*
*
* @param format
* the format string
* @param arg
* the argument
*/
@Override
public void info(String format, Object arg) {
if (logger.isLoggable(Level.INFO)) {
FormattingTuple ft = MessageFormatter.format(format, arg);
log(SELF, Level.INFO, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at the INFO level according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the INFO level.
*
*
* @param format
* the format string
* @param argA
* the first argument
* @param argB
* the second argument
*/
@Override
public void info(String format, Object argA, Object argB) {
if (logger.isLoggable(Level.INFO)) {
FormattingTuple ft = MessageFormatter.format(format, argA, argB);
log(SELF, Level.INFO, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at level INFO according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the INFO level.
*
*
* @param format
* the format string
* @param argArray
* an array of arguments
*/
@Override
public void info(String format, Object... argArray) {
if (logger.isLoggable(Level.INFO)) {
FormattingTuple ft = MessageFormatter.arrayFormat(format, argArray);
log(SELF, Level.INFO, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log an exception (throwable) at the INFO level with an accompanying
* message.
*
* @param msg
* the message accompanying the exception
* @param t
* the exception (throwable) to log
*/
@Override
public void info(String msg, Throwable t) {
if (logger.isLoggable(Level.INFO)) {
log(SELF, Level.INFO, msg, t);
}
}
/**
* Is this logger instance enabled for the WARNING level?
*
* @return True if this Logger is enabled for the WARNING level, false
* otherwise.
*/
@Override
public boolean isWarnEnabled() {
return logger.isLoggable(Level.WARNING);
}
/**
* Log a message object at the WARNING level.
*
* @param msg
* - the message object to be logged
*/
@Override
public void warn(String msg) {
if (logger.isLoggable(Level.WARNING)) {
log(SELF, Level.WARNING, msg, null);
}
}
/**
* Log a message at the WARNING level according to the specified format and
* argument.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the WARNING level.
*
*
* @param format
* the format string
* @param arg
* the argument
*/
@Override
public void warn(String format, Object arg) {
if (logger.isLoggable(Level.WARNING)) {
FormattingTuple ft = MessageFormatter.format(format, arg);
log(SELF, Level.WARNING, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at the WARNING level according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the WARNING level.
*
*
* @param format
* the format string
* @param argA
* the first argument
* @param argB
* the second argument
*/
@Override
public void warn(String format, Object argA, Object argB) {
if (logger.isLoggable(Level.WARNING)) {
FormattingTuple ft = MessageFormatter.format(format, argA, argB);
log(SELF, Level.WARNING, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at level WARNING according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the WARNING level.
*
*
* @param format
* the format string
* @param argArray
* an array of arguments
*/
@Override
public void warn(String format, Object... argArray) {
if (logger.isLoggable(Level.WARNING)) {
FormattingTuple ft = MessageFormatter.arrayFormat(format, argArray);
log(SELF, Level.WARNING, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log an exception (throwable) at the WARNING level with an accompanying
* message.
*
* @param msg
* the message accompanying the exception
* @param t
* the exception (throwable) to log
*/
@Override
public void warn(String msg, Throwable t) {
if (logger.isLoggable(Level.WARNING)) {
log(SELF, Level.WARNING, msg, t);
}
}
/**
* Is this logger instance enabled for level SEVERE?
*
* @return True if this Logger is enabled for level SEVERE, false otherwise.
*/
@Override
public boolean isErrorEnabled() {
return logger.isLoggable(Level.SEVERE);
}
/**
* Log a message object at the SEVERE level.
*
* @param msg
* - the message object to be logged
*/
@Override
public void error(String msg) {
if (logger.isLoggable(Level.SEVERE)) {
log(SELF, Level.SEVERE, msg, null);
}
}
/**
* Log a message at the SEVERE level according to the specified format and
* argument.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the SEVERE level.
*
*
* @param format
* the format string
* @param arg
* the argument
*/
@Override
public void error(String format, Object arg) {
if (logger.isLoggable(Level.SEVERE)) {
FormattingTuple ft = MessageFormatter.format(format, arg);
log(SELF, Level.SEVERE, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at the SEVERE level according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the SEVERE level.
*
*
* @param format
* the format string
* @param argA
* the first argument
* @param argB
* the second argument
*/
@Override
public void error(String format, Object argA, Object argB) {
if (logger.isLoggable(Level.SEVERE)) {
FormattingTuple ft = MessageFormatter.format(format, argA, argB);
log(SELF, Level.SEVERE, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log a message at level SEVERE according to the specified format and
* arguments.
*
*
* This form avoids superfluous object creation when the logger is disabled
* for the SEVERE level.
*
*
* @param format
* the format string
* @param arguments
* an array of arguments
*/
@Override
public void error(String format, Object... arguments) {
if (logger.isLoggable(Level.SEVERE)) {
FormattingTuple ft = MessageFormatter.arrayFormat(format, arguments);
log(SELF, Level.SEVERE, ft.getMessage(), ft.getThrowable());
}
}
/**
* Log an exception (throwable) at the SEVERE level with an accompanying
* message.
*
* @param msg
* the message accompanying the exception
* @param t
* the exception (throwable) to log
*/
@Override
public void error(String msg, Throwable t) {
if (logger.isLoggable(Level.SEVERE)) {
log(SELF, Level.SEVERE, msg, t);
}
}
/**
* Log the message at the specified level with the specified throwable if any.
* This method creates a LogRecord and fills in caller date before calling
* this instance's JDK14 logger.
*
* See bug report #13 for more details.
*/
private void log(String callerFQCN, Level level, String msg, Throwable t) {
// millis and thread are filled by the constructor
LogRecord record = new LogRecord(level, msg);
record.setLoggerName(name());
record.setThrown(t);
fillCallerData(callerFQCN, record);
logger.log(record);
}
static final String SELF = JdkLogger.class.getName();
static final String SUPER = AbstractInternalLogger.class.getName();
/**
* Fill in caller data if possible.
*
* @param record
* The record to update
*/
private static void fillCallerData(String callerFQCN, LogRecord record) {
StackTraceElement[] steArray = new Throwable().getStackTrace();
int selfIndex = -1;
for (int i = 0; i < steArray.length; i++) {
final String className = steArray[i].getClassName();
if (className.equals(callerFQCN) || className.equals(SUPER)) {
selfIndex = i;
break;
}
}
int found = -1;
for (int i = selfIndex + 1; i < steArray.length; i++) {
final String className = steArray[i].getClassName();
if (!(className.equals(callerFQCN) || className.equals(SUPER))) {
found = i;
break;
}
}
if (found != -1) {
StackTraceElement ste = steArray[found];
// setting the class name has the side effect of setting
// the needToInferCaller variable to false.
record.setSourceClassName(ste.getClassName());
record.setSourceMethodName(ste.getMethodName());
}
}
}