org.jmol.util
Class Logger

java.lang.Object
  org.jmol.util.Logger

public final class Logger
extends java.lang.Object

Logger mechanism.

Field Summary

private static boolean[]	_activeLevels
private static LoggerInterface	_logger
private static boolean	_logLevel
static boolean	debugging
static int	LEVEL_DEBUG
static int	LEVEL_DEBUGHIGH
static int	LEVEL_ERROR
static int	LEVEL_FATAL
static int	LEVEL_INFO
static int	LEVEL_MAX
static int	LEVEL_WARN
(package private) static long	startTime

Constructor Summary

Logger()

Method Summary

static long	checkTimer(java.lang.String msg)
static void	debug(java.lang.String txt) Writes a log at DEBUG level.
static void	error(java.lang.String txt) Writes a log at ERROR level.
static void	error(java.lang.String txt, java.lang.Throwable e) Writes a log at ERROR level with detail on exception.
static void	fatal(java.lang.String txt) Writes a log at FATAL level.
static void	fatal(java.lang.String txt, java.lang.Throwable e) Writes a log at FATAL level with detail on exception.
static java.lang.String	getLevel(int level) Returns the text corresponding to a level.
private static boolean	getProperty(java.lang.String level, boolean defaultValue)
static void	info(java.lang.String txt) Writes a log at INFO level.
static boolean	isActiveLevel(int level) Tells if a logging level is active.
static boolean	logLevel() Indicates if the level is logged.
static void	logLevel(boolean log) Indicates if the level is logged.
static void	setActiveLevel(int level, boolean active) Changes the activation state for a logging level.
static void	setLogger(LoggerInterface logger) Replaces the current logger implementation by a new one.
static void	setLogLevel(int level) Activates all logging levels up through a given level.
static void	startTimer()
static void	warn(java.lang.String txt) Writes a log at WARN level.
static void	warn(java.lang.String txt, java.lang.Throwable e) Writes a log at WARN level with detail on exception.

Methods inherited from class java.lang.Object

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

Field Detail

_logger

private static LoggerInterface _logger

LEVEL_FATAL

public static final int LEVEL_FATAL

See Also:

Constant Field Values

LEVEL_ERROR

public static final int LEVEL_ERROR

See Also:

Constant Field Values

LEVEL_WARN

public static final int LEVEL_WARN

See Also:

Constant Field Values

LEVEL_INFO

public static final int LEVEL_INFO

See Also:

Constant Field Values

LEVEL_DEBUG

public static final int LEVEL_DEBUG

See Also:

Constant Field Values

LEVEL_DEBUGHIGH

public static final int LEVEL_DEBUGHIGH

See Also:

Constant Field Values

LEVEL_MAX

public static final int LEVEL_MAX

See Also:

Constant Field Values

_activeLevels

private static final boolean[] _activeLevels

_logLevel

private static boolean _logLevel

debugging

public static boolean debugging

startTime

static long startTime

Constructor Detail

Logger

public Logger()

Method Detail

getProperty

private static boolean getProperty(java.lang.String level,
                                   boolean defaultValue)

setLogger

public static void setLogger(LoggerInterface logger)

Replaces the current logger implementation by a new one.

Parameters:

logger - New logger implementation.

isActiveLevel

public static boolean isActiveLevel(int level)

Tells if a logging level is active.

Parameters:

level - Logging level.

Returns:

Active.

setActiveLevel

public static void setActiveLevel(int level,
                                  boolean active)

Changes the activation state for a logging level.

Parameters:

level - Level.

active - New activation state.

setLogLevel

public static void setLogLevel(int level)

Activates all logging levels up through a given level.

Parameters:

level -

getLevel

public static java.lang.String getLevel(int level)

Returns the text corresponding to a level.

Parameters:

level - Level.

Returns:

Corresponding text.

logLevel

public static boolean logLevel()

Indicates if the level is logged.

Returns:

Indicator.

logLevel

public static void logLevel(boolean log)

Indicates if the level is logged.

Parameters:

log - Indicator.

debug

public static void debug(java.lang.String txt)

Writes a log at DEBUG level.

Parameters:

txt - String to write.

info

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

Writes a log at INFO level.

Parameters:

txt - String to write.

warn

public static void warn(java.lang.String txt)

Writes a log at WARN level.

Parameters:

txt - String to write.

warn

public static void warn(java.lang.String txt,
                        java.lang.Throwable e)

Writes a log at WARN level with detail on exception.

Parameters:

txt - String to write.

e - Exception.

error

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

Writes a log at ERROR level.

Parameters:

txt - String to write.

error

public static void error(java.lang.String txt,
                         java.lang.Throwable e)

Writes a log at ERROR level with detail on exception.

Parameters:

txt - String to write.

e - Exception.

fatal

public static void fatal(java.lang.String txt)

Writes a log at FATAL level.

Parameters:

txt - String to write.

fatal

public static void fatal(java.lang.String txt,
                         java.lang.Throwable e)

Writes a log at FATAL level with detail on exception.

Parameters:

txt - String to write.

e - Exception.

startTimer

public static void startTimer()

checkTimer

public static long checkTimer(java.lang.String msg)