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org.apache.kafka.common.utils.LogContext Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.
*/
package org.apache.kafka.common.utils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.Marker;
import org.slf4j.helpers.FormattingTuple;
import org.slf4j.helpers.MessageFormatter;
import org.slf4j.spi.LocationAwareLogger;
/**
* This class provides a way to instrument loggers with a common context which can be used to
* automatically enrich log messages. For example, in the KafkaConsumer, it is often useful to know
* the groupId of the consumer, so this can be added to a context object which can then be passed to
* all of the dependent components in order to build new loggers. This removes the need to manually
* add the groupId to each message.
*/
public class LogContext {
private final String logPrefix;
public LogContext(String logPrefix) {
this.logPrefix = logPrefix == null ? "" : logPrefix;
}
public LogContext() {
this("");
}
public Logger logger(Class clazz) {
Logger logger = LoggerFactory.getLogger(clazz);
if (logger instanceof LocationAwareLogger) {
return new LocationAwareKafkaLogger(logPrefix, (LocationAwareLogger) logger);
} else {
return new LocationIgnorantKafkaLogger(logPrefix, logger);
}
}
public String logPrefix() {
return logPrefix;
}
private static abstract class AbstractKafkaLogger implements Logger {
private final String prefix;
protected AbstractKafkaLogger(final String prefix) {
this.prefix = prefix;
}
protected String addPrefix(final String message) {
return prefix + message;
}
}
private static class LocationAwareKafkaLogger extends AbstractKafkaLogger {
private final LocationAwareLogger logger;
private final String fqcn;
LocationAwareKafkaLogger(String logPrefix, LocationAwareLogger logger) {
super(logPrefix);
this.logger = logger;
this.fqcn = LocationAwareKafkaLogger.class.getName();
}
@Override
public String getName() {
return logger.getName();
}
@Override
public boolean isTraceEnabled() {
return logger.isTraceEnabled();
}
@Override
public boolean isTraceEnabled(Marker marker) {
return logger.isTraceEnabled(marker);
}
@Override
public boolean isDebugEnabled() {
return logger.isDebugEnabled();
}
@Override
public boolean isDebugEnabled(Marker marker) {
return logger.isDebugEnabled(marker);
}
@Override
public boolean isInfoEnabled() {
return logger.isInfoEnabled();
}
@Override
public boolean isInfoEnabled(Marker marker) {
return logger.isInfoEnabled(marker);
}
@Override
public boolean isWarnEnabled() {
return logger.isWarnEnabled();
}
@Override
public boolean isWarnEnabled(Marker marker) {
return logger.isWarnEnabled(marker);
}
@Override
public boolean isErrorEnabled() {
return logger.isErrorEnabled();
}
@Override
public boolean isErrorEnabled(Marker marker) {
return logger.isErrorEnabled(marker);
}
@Override
public void trace(String message) {
if (logger.isTraceEnabled()) {
writeLog(null, LocationAwareLogger.TRACE_INT, message, null, null);
}
}
@Override
public void trace(String format, Object arg) {
if (logger.isTraceEnabled()) {
writeLog(null, LocationAwareLogger.TRACE_INT, format, new Object[]{arg}, null);
}
}
@Override
public void trace(String format, Object arg1, Object arg2) {
if (logger.isTraceEnabled()) {
writeLog(null, LocationAwareLogger.TRACE_INT, format, new Object[]{arg1, arg2}, null);
}
}
@Override
public void trace(String format, Object... args) {
if (logger.isTraceEnabled()) {
writeLog(null, LocationAwareLogger.TRACE_INT, format, args, null);
}
}
@Override
public void trace(String msg, Throwable t) {
if (logger.isTraceEnabled()) {
writeLog(null, LocationAwareLogger.TRACE_INT, msg, null, t);
}
}
@Override
public void trace(Marker marker, String msg) {
if (logger.isTraceEnabled()) {
writeLog(marker, LocationAwareLogger.TRACE_INT, msg, null, null);
}
}
@Override
public void trace(Marker marker, String format, Object arg) {
if (logger.isTraceEnabled()) {
writeLog(marker, LocationAwareLogger.TRACE_INT, format, new Object[]{arg}, null);
}
}
@Override
public void trace(Marker marker, String format, Object arg1, Object arg2) {
if (logger.isTraceEnabled()) {
writeLog(marker, LocationAwareLogger.TRACE_INT, format, new Object[]{arg1, arg2}, null);
}
}
@Override
public void trace(Marker marker, String format, Object... argArray) {
if (logger.isTraceEnabled()) {
writeLog(marker, LocationAwareLogger.TRACE_INT, format, argArray, null);
}
}
@Override
public void trace(Marker marker, String msg, Throwable t) {
if (logger.isTraceEnabled()) {
writeLog(marker, LocationAwareLogger.TRACE_INT, msg, null, t);
}
}
@Override
public void debug(String message) {
if (logger.isDebugEnabled()) {
writeLog(null, LocationAwareLogger.DEBUG_INT, message, null, null);
}
}
@Override
public void debug(String format, Object arg) {
if (logger.isDebugEnabled()) {
writeLog(null, LocationAwareLogger.DEBUG_INT, format, new Object[]{arg}, null);
}
}
@Override
public void debug(String format, Object arg1, Object arg2) {
if (logger.isDebugEnabled()) {
writeLog(null, LocationAwareLogger.DEBUG_INT, format, new Object[]{arg1, arg2}, null);
}
}
@Override
public void debug(String format, Object... args) {
if (logger.isDebugEnabled()) {
writeLog(null, LocationAwareLogger.DEBUG_INT, format, args, null);
}
}
@Override
public void debug(String msg, Throwable t) {
if (logger.isDebugEnabled()) {
writeLog(null, LocationAwareLogger.DEBUG_INT, msg, null, t);
}
}
@Override
public void debug(Marker marker, String msg) {
if (logger.isDebugEnabled()) {
writeLog(marker, LocationAwareLogger.DEBUG_INT, msg, null, null);
}
}
@Override
public void debug(Marker marker, String format, Object arg) {
if (logger.isDebugEnabled()) {
writeLog(marker, LocationAwareLogger.DEBUG_INT, format, new Object[]{arg}, null);
}
}
@Override
public void debug(Marker marker, String format, Object arg1, Object arg2) {
if (logger.isDebugEnabled()) {
writeLog(marker, LocationAwareLogger.DEBUG_INT, format, new Object[]{arg1, arg2}, null);
}
}
@Override
public void debug(Marker marker, String format, Object... arguments) {
if (logger.isDebugEnabled()) {
writeLog(marker, LocationAwareLogger.DEBUG_INT, format, arguments, null);
}
}
@Override
public void debug(Marker marker, String msg, Throwable t) {
if (logger.isDebugEnabled()) {
writeLog(marker, LocationAwareLogger.DEBUG_INT, msg, null, t);
}
}
@Override
public void warn(String message) {
writeLog(null, LocationAwareLogger.WARN_INT, message, null, null);
}
@Override
public void warn(String format, Object arg) {
writeLog(null, LocationAwareLogger.WARN_INT, format, new Object[]{arg}, null);
}
@Override
public void warn(String message, Object arg1, Object arg2) {
writeLog(null, LocationAwareLogger.WARN_INT, message, new Object[]{arg1, arg2}, null);
}
@Override
public void warn(String format, Object... args) {
writeLog(null, LocationAwareLogger.WARN_INT, format, args, null);
}
@Override
public void warn(String msg, Throwable t) {
writeLog(null, LocationAwareLogger.WARN_INT, msg, null, t);
}
@Override
public void warn(Marker marker, String msg) {
writeLog(marker, LocationAwareLogger.WARN_INT, msg, null, null);
}
@Override
public void warn(Marker marker, String format, Object arg) {
writeLog(marker, LocationAwareLogger.WARN_INT, format, new Object[]{arg}, null);
}
@Override
public void warn(Marker marker, String format, Object arg1, Object arg2) {
writeLog(marker, LocationAwareLogger.WARN_INT, format, new Object[]{arg1, arg2}, null);
}
@Override
public void warn(Marker marker, String format, Object... arguments) {
writeLog(marker, LocationAwareLogger.WARN_INT, format, arguments, null);
}
@Override
public void warn(Marker marker, String msg, Throwable t) {
writeLog(marker, LocationAwareLogger.WARN_INT, msg, null, t);
}
@Override
public void error(String message) {
writeLog(null, LocationAwareLogger.ERROR_INT, message, null, null);
}
@Override
public void error(String format, Object arg) {
writeLog(null, LocationAwareLogger.ERROR_INT, format, new Object[]{arg}, null);
}
@Override
public void error(String format, Object arg1, Object arg2) {
writeLog(null, LocationAwareLogger.ERROR_INT, format, new Object[]{arg1, arg2}, null);
}
@Override
public void error(String format, Object... args) {
writeLog(null, LocationAwareLogger.ERROR_INT, format, args, null);
}
@Override
public void error(String msg, Throwable t) {
writeLog(null, LocationAwareLogger.ERROR_INT, msg, null, t);
}
@Override
public void error(Marker marker, String msg) {
writeLog(marker, LocationAwareLogger.ERROR_INT, msg, null, null);
}
@Override
public void error(Marker marker, String format, Object arg) {
writeLog(marker, LocationAwareLogger.ERROR_INT, format, new Object[]{arg}, null);
}
@Override
public void error(Marker marker, String format, Object arg1, Object arg2) {
writeLog(marker, LocationAwareLogger.ERROR_INT, format, new Object[]{arg1, arg2}, null);
}
@Override
public void error(Marker marker, String format, Object... arguments) {
writeLog(marker, LocationAwareLogger.ERROR_INT, format, arguments, null);
}
@Override
public void error(Marker marker, String msg, Throwable t) {
writeLog(marker, LocationAwareLogger.ERROR_INT, msg, null, t);
}
@Override
public void info(String msg) {
writeLog(null, LocationAwareLogger.INFO_INT, msg, null, null);
}
@Override
public void info(String format, Object arg) {
writeLog(null, LocationAwareLogger.INFO_INT, format, new Object[]{arg}, null);
}
@Override
public void info(String format, Object arg1, Object arg2) {
writeLog(null, LocationAwareLogger.INFO_INT, format, new Object[]{arg1, arg2}, null);
}
@Override
public void info(String format, Object... args) {
writeLog(null, LocationAwareLogger.INFO_INT, format, args, null);
}
@Override
public void info(String msg, Throwable t) {
writeLog(null, LocationAwareLogger.INFO_INT, msg, null, t);
}
@Override
public void info(Marker marker, String msg) {
writeLog(marker, LocationAwareLogger.INFO_INT, msg, null, null);
}
@Override
public void info(Marker marker, String format, Object arg) {
writeLog(marker, LocationAwareLogger.INFO_INT, format, new Object[]{arg}, null);
}
@Override
public void info(Marker marker, String format, Object arg1, Object arg2) {
writeLog(marker, LocationAwareLogger.INFO_INT, format, new Object[]{arg1, arg2}, null);
}
@Override
public void info(Marker marker, String format, Object... arguments) {
writeLog(marker, LocationAwareLogger.INFO_INT, format, arguments, null);
}
@Override
public void info(Marker marker, String msg, Throwable t) {
writeLog(marker, LocationAwareLogger.INFO_INT, msg, null, t);
}
private void writeLog(Marker marker, int level, String format, Object[] args, Throwable exception) {
String message = format;
if (args != null && args.length > 0) {
FormattingTuple formatted = MessageFormatter.arrayFormat(format, args);
if (exception == null && formatted.getThrowable() != null) {
exception = formatted.getThrowable();
}
message = formatted.getMessage();
}
logger.log(marker, fqcn, level, addPrefix(message), null, exception);
}
}
private static class LocationIgnorantKafkaLogger extends AbstractKafkaLogger {
private final Logger logger;
LocationIgnorantKafkaLogger(String logPrefix, Logger logger) {
super(logPrefix);
this.logger = logger;
}
@Override
public String getName() {
return logger.getName();
}
@Override
public boolean isTraceEnabled() {
return logger.isTraceEnabled();
}
@Override
public boolean isTraceEnabled(Marker marker) {
return logger.isTraceEnabled(marker);
}
@Override
public boolean isDebugEnabled() {
return logger.isDebugEnabled();
}
@Override
public boolean isDebugEnabled(Marker marker) {
return logger.isDebugEnabled(marker);
}
@Override
public boolean isInfoEnabled() {
return logger.isInfoEnabled();
}
@Override
public boolean isInfoEnabled(Marker marker) {
return logger.isInfoEnabled(marker);
}
@Override
public boolean isWarnEnabled() {
return logger.isWarnEnabled();
}
@Override
public boolean isWarnEnabled(Marker marker) {
return logger.isWarnEnabled(marker);
}
@Override
public boolean isErrorEnabled() {
return logger.isErrorEnabled();
}
@Override
public boolean isErrorEnabled(Marker marker) {
return logger.isErrorEnabled(marker);
}
@Override
public void trace(String message) {
if (logger.isTraceEnabled()) {
logger.trace(addPrefix(message));
}
}
@Override
public void trace(String message, Object arg) {
if (logger.isTraceEnabled()) {
logger.trace(addPrefix(message), arg);
}
}
@Override
public void trace(String message, Object arg1, Object arg2) {
if (logger.isTraceEnabled()) {
logger.trace(addPrefix(message), arg1, arg2);
}
}
@Override
public void trace(String message, Object... args) {
if (logger.isTraceEnabled()) {
logger.trace(addPrefix(message), args);
}
}
@Override
public void trace(String msg, Throwable t) {
if (logger.isTraceEnabled()) {
logger.trace(addPrefix(msg), t);
}
}
@Override
public void trace(Marker marker, String msg) {
if (logger.isTraceEnabled()) {
logger.trace(marker, addPrefix(msg));
}
}
@Override
public void trace(Marker marker, String format, Object arg) {
if (logger.isTraceEnabled()) {
logger.trace(marker, addPrefix(format), arg);
}
}
@Override
public void trace(Marker marker, String format, Object arg1, Object arg2) {
if (logger.isTraceEnabled()) {
logger.trace(marker, addPrefix(format), arg1, arg2);
}
}
@Override
public void trace(Marker marker, String format, Object... argArray) {
if (logger.isTraceEnabled()) {
logger.trace(marker, addPrefix(format), argArray);
}
}
@Override
public void trace(Marker marker, String msg, Throwable t) {
if (logger.isTraceEnabled()) {
logger.trace(marker, addPrefix(msg), t);
}
}
@Override
public void debug(String message) {
if (logger.isDebugEnabled()) {
logger.debug(addPrefix(message));
}
}
@Override
public void debug(String message, Object arg) {
if (logger.isDebugEnabled()) {
logger.debug(addPrefix(message), arg);
}
}
@Override
public void debug(String message, Object arg1, Object arg2) {
if (logger.isDebugEnabled()) {
logger.debug(addPrefix(message), arg1, arg2);
}
}
@Override
public void debug(String message, Object... args) {
if (logger.isDebugEnabled()) {
logger.debug(addPrefix(message), args);
}
}
@Override
public void debug(String msg, Throwable t) {
if (logger.isDebugEnabled()) {
logger.debug(addPrefix(msg), t);
}
}
@Override
public void debug(Marker marker, String msg) {
if (logger.isDebugEnabled()) {
logger.debug(marker, addPrefix(msg));
}
}
@Override
public void debug(Marker marker, String format, Object arg) {
if (logger.isDebugEnabled()) {
logger.debug(marker, addPrefix(format), arg);
}
}
@Override
public void debug(Marker marker, String format, Object arg1, Object arg2) {
if (logger.isDebugEnabled()) {
logger.debug(marker, addPrefix(format), arg1, arg2);
}
}
@Override
public void debug(Marker marker, String format, Object... arguments) {
if (logger.isDebugEnabled()) {
logger.debug(marker, addPrefix(format), arguments);
}
}
@Override
public void debug(Marker marker, String msg, Throwable t) {
if (logger.isDebugEnabled()) {
logger.debug(marker, addPrefix(msg), t);
}
}
@Override
public void warn(String message) {
logger.warn(addPrefix(message));
}
@Override
public void warn(String message, Object arg) {
logger.warn(addPrefix(message), arg);
}
@Override
public void warn(String message, Object arg1, Object arg2) {
logger.warn(addPrefix(message), arg1, arg2);
}
@Override
public void warn(String message, Object... args) {
logger.warn(addPrefix(message), args);
}
@Override
public void warn(String msg, Throwable t) {
logger.warn(addPrefix(msg), t);
}
@Override
public void warn(Marker marker, String msg) {
logger.warn(marker, addPrefix(msg));
}
@Override
public void warn(Marker marker, String format, Object arg) {
logger.warn(marker, addPrefix(format), arg);
}
@Override
public void warn(Marker marker, String format, Object arg1, Object arg2) {
logger.warn(marker, addPrefix(format), arg1, arg2);
}
@Override
public void warn(Marker marker, String format, Object... arguments) {
logger.warn(marker, addPrefix(format), arguments);
}
@Override
public void warn(Marker marker, String msg, Throwable t) {
logger.warn(marker, addPrefix(msg), t);
}
@Override
public void error(String message) {
logger.error(addPrefix(message));
}
@Override
public void error(String message, Object arg) {
logger.error(addPrefix(message), arg);
}
@Override
public void error(String message, Object arg1, Object arg2) {
logger.error(addPrefix(message), arg1, arg2);
}
@Override
public void error(String message, Object... args) {
logger.error(addPrefix(message), args);
}
@Override
public void error(String msg, Throwable t) {
logger.error(addPrefix(msg), t);
}
@Override
public void error(Marker marker, String msg) {
logger.error(marker, addPrefix(msg));
}
@Override
public void error(Marker marker, String format, Object arg) {
logger.error(marker, addPrefix(format), arg);
}
@Override
public void error(Marker marker, String format, Object arg1, Object arg2) {
logger.error(marker, addPrefix(format), arg1, arg2);
}
@Override
public void error(Marker marker, String format, Object... arguments) {
logger.error(marker, addPrefix(format), arguments);
}
@Override
public void error(Marker marker, String msg, Throwable t) {
logger.error(marker, addPrefix(msg), t);
}
@Override
public void info(String message) {
logger.info(addPrefix(message));
}
@Override
public void info(String message, Object arg) {
logger.info(addPrefix(message), arg);
}
@Override
public void info(String message, Object arg1, Object arg2) {
logger.info(addPrefix(message), arg1, arg2);
}
@Override
public void info(String message, Object... args) {
logger.info(addPrefix(message), args);
}
@Override
public void info(String msg, Throwable t) {
logger.info(addPrefix(msg), t);
}
@Override
public void info(Marker marker, String msg) {
logger.info(marker, addPrefix(msg));
}
@Override
public void info(Marker marker, String format, Object arg) {
logger.info(marker, addPrefix(format), arg);
}
@Override
public void info(Marker marker, String format, Object arg1, Object arg2) {
logger.info(marker, addPrefix(format), arg1, arg2);
}
@Override
public void info(Marker marker, String format, Object... arguments) {
logger.info(marker, addPrefix(format), arguments);
}
@Override
public void info(Marker marker, String msg, Throwable t) {
logger.info(marker, addPrefix(msg), t);
}
}
}
