/** * 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 org.slf4j.impl; import java.util.logging.Level; import java.util.logging.LogRecord; import org.slf4j.Logger; import org.slf4j.Marker; import org.slf4j.helpers.FormattingTuple; import org.slf4j.helpers.MarkerIgnoringBase; import org.slf4j.helpers.MessageFormatter; import org.slf4j.spi.LocationAwareLogger; /** * This class has been extracted directly from slf4j-jdk14-1.7.5-sources.jar * since our AcsLogger appears to slf4j as a plain JDK logger. * <p> * A wrapper over {@link java.util.logging.Logger java.util.logging.Logger} in * conformity with the {@link Logger} interface. Note that the logging levels * mentioned in this class refer to those defined in the java.util.logging * package. * * @author Ceki Gülcü * @author Peter Royal */ public final class JDK14LoggerAdapter extends MarkerIgnoringBase implements LocationAwareLogger { private static final long serialVersionUID = -8053026990503422791L; transient final java.util.logging.Logger logger; // WARN: JDK14LoggerAdapter constructor should have only package access so // that only JDK14LoggerFactory be able to create one. JDK14LoggerAdapter(java.util.logging.Logger logger) { this.logger = logger; this.name = logger.getName(); } /** * Is this logger instance enabled for the FINEST level? * * @return True if this Logger is enabled for level FINEST, false otherwise. */ public boolean isTraceEnabled() { return logger.isLoggable(Level.FINEST); } /** * Log a message object at level FINEST. * * @param msg * - the message object to be logged */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for level FINEST. * </p> * * @param format * the format string * @param arg * the argument */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the FINEST level. * </p> * * @param format * the format string * @param arg1 * the first argument * @param arg2 * the second argument */ public void trace(String format, Object arg1, Object arg2) { if (logger.isLoggable(Level.FINEST)) { FormattingTuple ft = MessageFormatter.format(format, arg1, arg2); log(SELF, Level.FINEST, ft.getMessage(), ft.getThrowable()); } } /** * Log a message at level FINEST according to the specified format and * arguments. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the FINEST level. * </p> * * @param format * the format string * @param argArray * an array of arguments */ 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 */ 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. */ public boolean isDebugEnabled() { return logger.isLoggable(Level.FINE); } /** * Log a message object at level FINE. * * @param msg * - the message object to be logged */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for level FINE. * </p> * * @param format * the format string * @param arg * the argument */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the FINE level. * </p> * * @param format * the format string * @param arg1 * the first argument * @param arg2 * the second argument */ public void debug(String format, Object arg1, Object arg2) { if (logger.isLoggable(Level.FINE)) { FormattingTuple ft = MessageFormatter.format(format, arg1, arg2); log(SELF, Level.FINE, ft.getMessage(), ft.getThrowable()); } } /** * Log a message at level FINE according to the specified format and * arguments. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the FINE level. * </p> * * @param format * the format string * @param argArray * an array of arguments */ 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 */ 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. */ public boolean isInfoEnabled() { return logger.isLoggable(Level.INFO); } /** * Log a message object at the INFO level. * * @param msg * - the message object to be logged */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the INFO level. * </p> * * @param format * the format string * @param arg * the argument */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the INFO level. * </p> * * @param format * the format string * @param arg1 * the first argument * @param arg2 * the second argument */ public void info(String format, Object arg1, Object arg2) { if (logger.isLoggable(Level.INFO)) { FormattingTuple ft = MessageFormatter.format(format, arg1, arg2); log(SELF, Level.INFO, ft.getMessage(), ft.getThrowable()); } } /** * Log a message at level INFO according to the specified format and * arguments. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the INFO level. * </p> * * @param format * the format string * @param argArray * an array of arguments */ 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 */ 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. */ public boolean isWarnEnabled() { return logger.isLoggable(Level.WARNING); } /** * Log a message object at the WARNING level. * * @param msg * - the message object to be logged */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the WARNING level. * </p> * * @param format * the format string * @param arg * the argument */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the WARNING level. * </p> * * @param format * the format string * @param arg1 * the first argument * @param arg2 * the second argument */ public void warn(String format, Object arg1, Object arg2) { if (logger.isLoggable(Level.WARNING)) { FormattingTuple ft = MessageFormatter.format(format, arg1, arg2); log(SELF, Level.WARNING, ft.getMessage(), ft.getThrowable()); } } /** * Log a message at level WARNING according to the specified format and * arguments. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the WARNING level. * </p> * * @param format * the format string * @param argArray * an array of arguments */ 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 */ 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. */ public boolean isErrorEnabled() { return logger.isLoggable(Level.SEVERE); } /** * Log a message object at the SEVERE level. * * @param msg * - the message object to be logged */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the SEVERE level. * </p> * * @param format * the format string * @param arg * the argument */ 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. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the SEVERE level. * </p> * * @param format * the format string * @param arg1 * the first argument * @param arg2 * the second argument */ public void error(String format, Object arg1, Object arg2) { if (logger.isLoggable(Level.SEVERE)) { FormattingTuple ft = MessageFormatter.format(format, arg1, arg2); log(SELF, Level.SEVERE, ft.getMessage(), ft.getThrowable()); } } /** * Log a message at level SEVERE according to the specified format and * arguments. * * <p> * This form avoids superfluous object creation when the logger is disabled * for the SEVERE level. * </p> * * @param format * the format string * @param arguments * an array of arguments */ 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 */ 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. * * @param level * @param msg * @param t */ 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(getName()); record.setThrown(t); fillCallerData(callerFQCN, record); logger.log(record); } static String SELF = JDK14LoggerAdapter.class.getName(); static String SUPER = MarkerIgnoringBase.class.getName(); /** * Fill in caller data if possible. * * @param record * The record to update */ final private 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()); } } public void log(Marker marker, String callerFQCN, int level, String message, Object[] argArray, Throwable t) { Level julLevel; switch (level) { case LocationAwareLogger.TRACE_INT: julLevel = Level.FINEST; break; case LocationAwareLogger.DEBUG_INT: julLevel = Level.FINE; break; case LocationAwareLogger.INFO_INT: julLevel = Level.INFO; break; case LocationAwareLogger.WARN_INT: julLevel = Level.WARNING; break; case LocationAwareLogger.ERROR_INT: julLevel = Level.SEVERE; break; default: throw new IllegalStateException("Level number " + level + " is not recognized."); } // the logger.isLoggable check avoids the unconditional // construction of location data for disabled log // statements. As of 2008-07-31, callers of this method // do not perform this check. See also // http://bugzilla.slf4j.org/show_bug.cgi?id=90 if (logger.isLoggable(julLevel)) { log(callerFQCN, julLevel, message, t); } } }