com.tigergraph.spark.log.JULAdapter Maven / Gradle / Ivy
Show all versions of tigergraph-spark-connector Show documentation
package com.tigergraph.spark.log;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.slf4j.Marker;
/**
* Wrapper of java.util.logging to log Spark Connector information.
*
* Only 4 levels are included: ERROR, WARN, INFO and DEBUG
*
*
This class implements a part of SLF4J Logger interface LocationAwareLogger, Marker and Lazy
* Evaluation are not supported
*
*
mapping from TGLogger to java.util.logging: ERROR -> SEVERE WARN -> WARNING INFO -> INFO DEBUG
* -> FINE
*/
public class JULAdapter implements org.slf4j.Logger {
private final Logger logger;
private final String name;
public JULAdapter(String name) {
logger = Logger.getLogger(name);
this.name = name;
}
/**
* Is the logger instance enabled for the DEBUG level?
*
* @return True if this Logger is enabled for the DEBUG level, false otherwise.
*/
@Override
public boolean isDebugEnabled() {
return logger.isLoggable(Level.FINE);
}
/**
* Log a message at the DEBUG level.
*
* @param msg the message string to be logged
*/
@Override
public void debug(String msg) {
logger.fine(msg);
}
/**
* Log a message at the DEBUG level according to the specified format and argument.
*
*
*
*
This form avoids superfluous object creation when the logger is disabled for the DEBUG
* level.
*
* @param format the format string
* @param arg the argument
*/
@Override
public void debug(String format, Object arg) {
logger.log(Level.FINE, formatConverter(format), arg);
}
/**
* Log a message at the DEBUG level according to the specified format and arguments.
*
*
*
*
This form avoids superfluous object creation when the logger is disabled for the DEBUG
* level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
@Override
public void debug(String format, Object arg1, Object arg2) {
logger.log(Level.FINE, formatConverter(format), new Object[] {arg1, arg2});
}
/**
* Log a message at the DEBUG level according to the specified format and arguments.
*
*
*
*
This form avoids superfluous string concatenation when the logger is disabled for the DEBUG
* level. However, this variant incurs the hidden (and relatively small) cost of creating an
* Object[] before invoking the method, even if this logger is disabled for DEBUG.
* The variants taking {@link #debug(String, Object) one} and {@link #debug(String, Object,
* Object) two} arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
@Override
public void debug(String format, Object... arguments) {
logger.log(Level.FINE, formatConverter(format), arguments);
}
/**
* Log an exception (throwable) at the DEBUG level 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) {
logger.log(Level.FINE, msg, t);
}
/**
* Is the 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 at the INFO level.
*
* @param msg the message string to be logged
*/
@Override
public void info(String msg) {
logger.info(msg);
}
/**
* Log a message at the INFO level 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) {
logger.log(Level.INFO, formatConverter(format), arg);
}
/**
* 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
*/
@Override
public void info(String format, Object arg1, Object arg2) {
logger.log(Level.INFO, formatConverter(format), new Object[] {arg1, arg2});
}
/**
* Log a message at the INFO level according to the specified format and arguments.
*
*
*
*
This form avoids superfluous string concatenation when the logger is disabled for the INFO
* level. However, this variant incurs the hidden (and relatively small) cost of creating an
* Object[] before invoking the method, even if this logger is disabled for INFO. The
* variants taking {@link #info(String, Object) one} and {@link #info(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
@Override
public void info(String format, Object... arguments) {
logger.log(Level.INFO, formatConverter(format), arguments);
}
/**
* 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) {
logger.log(Level.INFO, msg, t);
}
/**
* Is the logger instance enabled for the WARN level?
*
* @return True if this Logger is enabled for the WARN level, false otherwise.
*/
@Override
public boolean isWarnEnabled() {
return logger.isLoggable(Level.WARNING);
}
/**
* Log a message at the WARN level.
*
* @param msg the message string to be logged
*/
@Override
public void warn(String msg) {
logger.warning(msg);
}
/**
* Log a message at the WARN level according to the specified format and argument.
*
*
*
*
This form avoids superfluous object creation when the logger is disabled for the WARN level.
*
* @param format the format string
* @param arg the argument
*/
@Override
public void warn(String format, Object arg) {
logger.log(Level.WARNING, formatConverter(format), arg);
}
/**
* Log a message at the WARN level according to the specified format and arguments.
*
*
*
*
This form avoids superfluous string concatenation when the logger is disabled for the WARN
* level. However, this variant incurs the hidden (and relatively small) cost of creating an
* Object[] before invoking the method, even if this logger is disabled for WARN. The
* variants taking {@link #warn(String, Object) one} and {@link #warn(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
@Override
public void warn(String format, Object... arguments) {
logger.log(Level.WARNING, formatConverter(format), arguments);
}
/**
* Log a message at the WARN level according to the specified format and arguments.
*
*
*
*
This form avoids superfluous object creation when the logger is disabled for the WARN level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
@Override
public void warn(String format, Object arg1, Object arg2) {
logger.log(Level.WARNING, formatConverter(format), new Object[] {arg1, arg2});
}
/**
* Log an exception (throwable) at the WARN 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) {
logger.log(Level.WARNING, msg, t);
}
/**
* Is the logger instance enabled for the ERROR level?
*
* @return True if this Logger is enabled for the ERROR level, false otherwise.
*/
@Override
public boolean isErrorEnabled() {
return logger.isLoggable(Level.SEVERE);
}
/**
* Log a message at the ERROR level.
*
* @param msg the message string to be logged
*/
@Override
public void error(String msg) {
logger.severe(msg);
}
/**
* Log a message at the ERROR level according to the specified format and argument.
*
*
*
*
This form avoids superfluous object creation when the logger is disabled for the ERROR
* level.
*
* @param format the format string
* @param arg the argument
*/
@Override
public void error(String format, Object arg) {
logger.log(Level.SEVERE, formatConverter(format), arg);
}
/**
* Log a message at the ERROR level according to the specified format and arguments.
*
*
*
*
This form avoids superfluous object creation when the logger is disabled for the ERROR
* level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
@Override
public void error(String format, Object arg1, Object arg2) {
logger.log(Level.SEVERE, formatConverter(format), new Object[] {arg1, arg2});
}
/**
* Log a message at the ERROR level according to the specified format and arguments.
*
*
*
*
This form avoids superfluous string concatenation when the logger is disabled for the ERROR
* level. However, this variant incurs the hidden (and relatively small) cost of creating an
* Object[] before invoking the method, even if this logger is disabled for ERROR.
* The variants taking {@link #error(String, Object) one} and {@link #error(String, Object,
* Object) two} arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
@Override
public void error(String format, Object... arguments) {
logger.log(Level.SEVERE, formatConverter(format), arguments);
}
/**
* Log an exception (throwable) at the ERROR 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) {
logger.log(Level.SEVERE, msg, t);
}
@Override
public String getName() {
return name;
}
@Override
public boolean isTraceEnabled() {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(String msg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(String format, Object arg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(String format, Object arg1, Object arg2) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(String format, Object... arguments) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(String msg, Throwable t) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public boolean isTraceEnabled(Marker marker) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(Marker marker, String msg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(Marker marker, String format, Object arg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(Marker marker, String format, Object arg1, Object arg2) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(Marker marker, String format, Object... argArray) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void trace(Marker marker, String msg, Throwable t) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public boolean isDebugEnabled(Marker marker) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void debug(Marker marker, String msg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void debug(Marker marker, String format, Object arg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void debug(Marker marker, String format, Object arg1, Object arg2) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void debug(Marker marker, String format, Object... arguments) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void debug(Marker marker, String msg, Throwable t) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public boolean isInfoEnabled(Marker marker) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void info(Marker marker, String msg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void info(Marker marker, String format, Object arg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void info(Marker marker, String format, Object arg1, Object arg2) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void info(Marker marker, String format, Object... arguments) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void info(Marker marker, String msg, Throwable t) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public boolean isWarnEnabled(Marker marker) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void warn(Marker marker, String msg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void warn(Marker marker, String format, Object arg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void warn(Marker marker, String format, Object arg1, Object arg2) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void warn(Marker marker, String format, Object... arguments) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void warn(Marker marker, String msg, Throwable t) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public boolean isErrorEnabled(Marker marker) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void error(Marker marker, String msg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void error(Marker marker, String format, Object arg) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void error(Marker marker, String format, Object arg1, Object arg2) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void error(Marker marker, String format, Object... arguments) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
@Override
public void error(Marker marker, String msg, Throwable t) {
throw new UnsupportedOperationException("Unimplemented mothod.");
}
/**
* Convert slf4j message format to java.util.logging style "hello {}, this is {}" -> "hello {0},
* this is {1}"
*
* @param format
* @return
*/
private static String formatConverter(String format) {
StringBuilder sb = new StringBuilder();
int argCount = 0;
for (int i = 0; i < format.length(); i++) {
if (i < format.length() - 1 && format.charAt(i) == '{' && format.charAt(i + 1) == '}') {
sb.append(String.format("{%d}", argCount));
argCount++;
i++;
} else {
sb.append(format.charAt(i));
}
}
return sb.toString();
}
}