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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()); } } }




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