org.slf4j.impl.JDK14LoggerAdapter Maven / Gradle / Ivy
/*
* Copyright (c) 2004-2005 SLF4J.ORG
* Copyright (c) 2004-2005 QOS.ch
*
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* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* 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
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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* or other dealings in this Software without prior written authorization
* of the copyright holder.
*
*/
package org.slf4j.impl;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import org.slf4j.Logger;
/**
* 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 {
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;
}
public String getName() {
return logger.getName();
}
/**
* 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) {
log(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
*/
public void debug(String format, Object arg) {
if (logger.isLoggable(Level.FINE)) {
String msgStr = MessageFormatter.format(format, arg);
log(Level.FINE, msgStr, null);
}
}
/**
* 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 arg1
* the first argument
* @param arg2
* the second argument
*/
public void debug(String format, Object arg1, Object arg2) {
if (logger.isLoggable(Level.FINE)) {
String msgStr = MessageFormatter.format(format, arg1, arg2);
log(Level.FINE, msgStr, null);
}
}
/**
* 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
*/
public void debug(String format, Object[] argArray) {
if (logger.isLoggable(Level.FINE)) {
String msgStr = MessageFormatter.arrayFormat(format, argArray);
log(Level.FINE, msgStr, null);
}
}
/**
* 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) {
log(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) {
log(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
*/
public void info(String format, Object arg) {
if (logger.isLoggable(Level.INFO)) {
String msgStr = MessageFormatter.format(format, arg);
log(Level.INFO, msgStr, null);
}
}
/**
* 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 arg1
* the first argument
* @param arg2
* the second argument
*/
public void info(String format, Object arg1, Object arg2) {
if (logger.isLoggable(Level.INFO)) {
String msgStr = MessageFormatter.format(format, arg1, arg2);
log(Level.INFO, msgStr, null);
}
}
/**
* 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
*/
public void info(String format, Object[] argArray) {
if (logger.isLoggable(Level.INFO)) {
String msgStr = MessageFormatter.arrayFormat(format, argArray);
log(Level.INFO, msgStr, null);
}
}
/**
* 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) {
log(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) {
log(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
*/
public void warn(String format, Object arg) {
if (logger.isLoggable(Level.WARNING)) {
String msgStr = MessageFormatter.format(format, arg);
log(Level.WARNING, msgStr, null);
}
}
/**
* 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 arg1
* the first argument
* @param arg2
* the second argument
*/
public void warn(String format, Object arg1, Object arg2) {
if (logger.isLoggable(Level.WARNING)) {
String msgStr = MessageFormatter.format(format, arg1, arg2);
log(Level.WARNING, msgStr, null);
}
}
/**
* 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
*/
public void warn(String format, Object[] argArray) {
if (logger.isLoggable(Level.WARNING)) {
String msgStr = MessageFormatter.arrayFormat(format, argArray);
log(Level.WARNING, msgStr, null);
}
}
/**
* 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) {
log(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) {
log(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
*/
public void error(String format, Object arg) {
if (logger.isLoggable(Level.SEVERE)) {
String msgStr = MessageFormatter.format(format, arg);
log(Level.SEVERE, msgStr, null);
}
}
/**
* 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 arg1
* the first argument
* @param arg2
* the second argument
*/
public void error(String format, Object arg1, Object arg2) {
if (logger.isLoggable(Level.SEVERE)) {
String msgStr = MessageFormatter.format(format, arg1, arg2);
log(Level.SEVERE, msgStr, null);
}
}
/**
* 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
*/
public void error(String format, Object[] argArray) {
if (logger.isLoggable(Level.SEVERE)) {
String msgStr = MessageFormatter.arrayFormat(format, argArray);
log(Level.SEVERE, msgStr, null);
}
}
/**
* 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) {
log(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(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(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(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(SELF) || 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(SELF) || 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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