Class AsyncFileLogger

java.lang.Object

java.util.logging.Handler

services.moleculer.logger.AsyncFileLogger

All Implemented Interfaces:

Runnable

public class AsyncFileLogger
extends Handler
implements Runnable

To set up, add the following line to the JVM properties:

-Djava.util.logging.config.file=./config/logging.properties

...where the content of the "logging.properties" is...

handlers = services.moleculer.logger.AsyncFileLogger
services.moleculer.logger.AsyncFileLogger.directory = logs
services.moleculer.logger.AsyncFileLogger.prefix = moleculer-
services.moleculer.logger.AsyncFileLogger.encoding = UTF8
services.moleculer.logger.AsyncFileLogger.compressAfter = 30 days
services.moleculer.logger.AsyncFileLogger.deleteAfter = 365 days
services.moleculer.logger.AsyncFileLogger.logToConsole = true
services.moleculer.logger.AsyncFileLogger.level = INFO
.level = INFO

Field Summary

Fields

Modifier and Type	Field	Description
protected int	compressAfterDays
protected ConsoleLogger	console
protected static final long	DAY
protected int	deleteAfterDays
protected String	directory
protected boolean	enableColors
protected ExecutorService	executor
protected DateFormat	FILE_FORMAT
protected String	fileEncoding
protected File	logDirectory
protected boolean	logToConsole
protected final LinkedList<LogRecord>	messages
protected String	openedFile
protected FileOutputStream	openedStream
protected String	prefix

Constructor Summary

Constructors

Constructor	Description
AsyncFileLogger()

Method Summary

Modifier and Type	Method	Description
protected void	appendToFile(String fileName, byte[] bytes)
void	close()
protected void	closeStream()
protected void	compressOrDeleteOldFiles()
protected void	configure()
protected String	findLogDirectory(File dir)
void	flush()
protected String	getProperty(String name, String defaultValue)
void	publish(LogRecord record)
void	run()
protected void	writeLines(LinkedList<LogRecord> records, StringBuilder lines, Formatter formatter)

Methods inherited from class Handler

getEncoding, getErrorManager, getFilter, getFormatter, getLevel, isLoggable, reportError, setEncoding, setErrorManager, setFilter, setFormatter, setLevel

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

FILE_FORMAT

protected DateFormat FILE_FORMAT

prefix

protected String prefix

directory

protected String directory

compressAfterDays

protected int compressAfterDays

deleteAfterDays

protected int deleteAfterDays

logToConsole

protected boolean logToConsole

fileEncoding

protected String fileEncoding

enableColors

protected boolean enableColors

DAY

protected static final long DAY

See Also:

• Constant Field Values

messages

protected final LinkedList<LogRecord> messages

logDirectory

protected File logDirectory

openedFile

protected String openedFile

openedStream

protected FileOutputStream openedStream

executor

protected ExecutorService executor

console

protected ConsoleLogger console

Constructor Details

AsyncFileLogger

public AsyncFileLogger()

Method Details

publish

public void publish(LogRecord record)

Specified by:

publish in class Handler

run

public void run()

Specified by:

run in interface Runnable

writeLines

protected void writeLines(LinkedList<LogRecord> records,
 StringBuilder lines,
 Formatter formatter)
                   throws Exception

Throws:

Exception

appendToFile

protected void appendToFile(String fileName,
 byte[] bytes)

closeStream

protected void closeStream()

compressOrDeleteOldFiles

protected void compressOrDeleteOldFiles()

flush

public void flush()

Specified by:

flush in class Handler

close

public void close()
           throws SecurityException

Specified by:

close in class Handler

Throws:

SecurityException

configure

protected void configure()

getProperty

protected String getProperty(String name,
 String defaultValue)

findLogDirectory

protected String findLogDirectory(File dir)