de.frame4j.io

Class LogWriterHandler

java.lang.Object

java.util.logging.Handler

de.frame4j.io.LogHandler

de.frame4j.io.LogWriterHandler

@MinDoc(copyright="Copyright  2006, 2009  A. Weinert",
        author="Albrecht Weinert",
        version="V.39",
        lastModified="17.04.2021",
        usage="use for (java.) logging",
        purpose="a handler for logging")
public class LogWriterHandler
extends LogHandler

A logger handler for PrintWriter.

An object of this class is a plain efficient Handler connecting the java.util.logging API to a PrintWriter, like for example App.logverbindet.

© Copyright 2006 Albrecht Weinert

See Also:

TextHelper, TimeHelper

Field Summary

Fields

Modifier and Type	Field and Description
PrintWriter	writer The Writer for logging.

Fields inherited from class de.frame4j.io.LogHandler

closed, doClose, formatter, intLevel, OFF_LEVEL

Constructor Summary

Constructors

Constructor and Description
LogWriterHandler(PrintWriter writer) Make a LogWriterHandler with default formatter.
LogWriterHandler(PrintWriter writer, Formatter formatter) Make a LogWriterHandler.

Method Summary

Modifier and Type	Method and Description
void	close() Close this Handlers.
void	flush() Flush the underlying Writer.
void	publish(LogRecord record) Format and output a "LogRecord".

Methods inherited from class de.frame4j.io.LogHandler

getFormatter, isClosed, isLoggable, setFilter, setFormatter, setLevel

Methods inherited from class java.util.logging.Handler

getEncoding, getErrorManager, getFilter, getLevel, reportError, setEncoding, setErrorManager

Methods inherited from class java.lang.Object

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

Field Detail

writer

public final PrintWriter writer

The Writer for logging.

Constructor Detail

LogWriterHandler

public LogWriterHandler(PrintWriter writer,
                        Formatter formatter)

Make a LogWriterHandler.

LogWriterHandler

public LogWriterHandler(PrintWriter writer)

Make a LogWriterHandler with default formatter.

Method Detail

publish

public void publish(LogRecord record)

Format and output a "LogRecord".

Logging conditions met, formatter will format record. The result will be output to the PrintWriter writer.

Conditions are this LogWriterHandler not being closed plus the log and filter conditions.

Specified by:

publish in class Handler

Parameters:

record - description of the event to be logged

See Also:

Handler.isLoggable(LogRecord)

flush

public void flush()

Flush the underlying Writer.

Specified by:

flush in class Handler

close

public void close()

Close this Handlers.

The underlying Writer writer will not be closed.
After writing formatter.tail (if given) it is only "flush()ed"

Specified by:

close in class Handler