at.tuwien.ifs.feature.extraction.audio.util
Class MyLogger

java.lang.Object
  at.tuwien.ifs.feature.extraction.audio.util.MyLogger

public class MyLogger
extends java.lang.Object

Static logging class. Was completely reworked when implementing multi-threaded extraction.

Version:

2.0

Author:

Jakob Frank, Thomas Lidy

Field Summary

private static boolean	autoFlush Whether the logging should be automatically flushed after each message.
private static java.util.ArrayList<LogHandler>	handlers

Constructor Summary

MyLogger()

Method Summary

static void	error(java.lang.String error) Log an error.
static void	extrainfo(java.lang.String extra) Log some extra info.
static void	extrainfoNoNewLine(java.lang.String extra) Log some extra info to the previous line.
static void	flush() Flush all logging handlers.
static void	flushAll()
static void	info(java.lang.String info) Log an info line.
static void	initForStandardLogging() Initialises the logger for standard sequential logging, by registering a default PrintStreamLogger, and by setting setAutoFlush(boolean).
static boolean	registerLogHandler(LogHandler handler) Register a log-handler.
static boolean	removeLogHandler(LogHandler handler) Remove a log-handler.
private static void	sendLog(java.lang.String message, LogHandler.LogGrade grade)
static void	setAutoFlush(boolean autoFlush)
static void	setGlobalLogGrade(LogHandler.LogGrade grade) Set the log-grade for all registered handlers.
static void	severe(java.lang.String severe) Log a severe error.
static void	warning(java.lang.String warning) Log a warning.

Methods inherited from class java.lang.Object

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

Field Detail

handlers

private static java.util.ArrayList<LogHandler> handlers

autoFlush

private static boolean autoFlush

Whether the logging should be automatically flushed after each message. This is useful specifically for single-threaded applications.

Constructor Detail

MyLogger

public MyLogger()

Method Detail

initForStandardLogging

public static void initForStandardLogging()

Initialises the logger for standard sequential logging, by registering a default PrintStreamLogger, and by setting setAutoFlush(boolean).

registerLogHandler

public static boolean registerLogHandler(LogHandler handler)

Register a log-handler.

Parameters:

handler - The handler.

Returns:

true on success.

setAutoFlush

public static void setAutoFlush(boolean autoFlush)

removeLogHandler

public static boolean removeLogHandler(LogHandler handler)

Remove a log-handler. The log-handler will be flushed before removing.

Parameters:

handler - The log-handler to remove

Returns:

true on success.

sendLog

private static void sendLog(java.lang.String message,
                            LogHandler.LogGrade grade)

error

public static void error(java.lang.String error)

Log an error.

Parameters:

error - The error-string.

extrainfo

public static void extrainfo(java.lang.String extra)

Log some extra info.

Parameters:

extra - The extra-info.

extrainfoNoNewLine

public static void extrainfoNoNewLine(java.lang.String extra)

Log some extra info to the previous line.

Parameters:

extra - the extra-info.

info

public static void info(java.lang.String info)

Log an info line.

Parameters:

info - the info.

severe

public static void severe(java.lang.String severe)

Log a severe error.

Parameters:

severe - the error.

warning

public static void warning(java.lang.String warning)

Log a warning.

Parameters:

warning - the warning.

flush

public static void flush()

Flush all logging handlers.

flushAll

public static void flushAll()

setGlobalLogGrade

public static void setGlobalLogGrade(LogHandler.LogGrade grade)

Set the log-grade for all registered handlers.

Parameters:

grade - the new grade.