com.mysql.jdbc.log
Class NullLogger

java.lang.Object
  com.mysql.jdbc.log.NullLogger

All Implemented Interfaces:

Log

public class NullLogger
extends java.lang.Object
implements Log

A logger that does nothing. Used before the log is configured via the URL or properties.

Version:

$Id: NullLogger.java 3726 2005-05-19 15:52:24Z mmatthews $

Author:

Mark Matthews

Constructor Summary

NullLogger(java.lang.String instanceName)
Creates a new NullLogger with the given name

Method Summary

boolean	isDebugEnabled() Is the 'debug' log level enabled?
boolean	isErrorEnabled() Is the 'error' log level enabled?
boolean	isFatalEnabled() Is the 'fatal' log level enabled?
boolean	isInfoEnabled() Is the 'info' log level enabled?
boolean	isTraceEnabled() Is the 'trace' log level enabled?
boolean	isWarnEnabled() Is the 'warn' log level enabled?
void	logDebug(java.lang.Object msg) Logs the given message instance using the 'debug' level
void	logDebug(java.lang.Object msg, java.lang.Throwable thrown) Logs the given message and Throwable at the 'debug' level.
void	logError(java.lang.Object msg) Logs the given message instance using the 'error' level
void	logError(java.lang.Object msg, java.lang.Throwable thrown) Logs the given message and Throwable at the 'error' level.
void	logFatal(java.lang.Object msg) Logs the given message instance using the 'fatal' level
void	logFatal(java.lang.Object msg, java.lang.Throwable thrown) Logs the given message and Throwable at the 'fatal' level.
void	logInfo(java.lang.Object msg) Logs the given message instance using the 'info' level
void	logInfo(java.lang.Object msg, java.lang.Throwable thrown) Logs the given message and Throwable at the 'info' level.
void	logTrace(java.lang.Object msg) Logs the given message instance using the 'trace' level
void	logTrace(java.lang.Object msg, java.lang.Throwable thrown) Logs the given message and Throwable at the 'trace' level.
void	logWarn(java.lang.Object msg) Logs the given message instance using the 'warn' level
void	logWarn(java.lang.Object msg, java.lang.Throwable thrown) Logs the given message and Throwable at the 'warn' level.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullLogger

public NullLogger(java.lang.String instanceName)

Creates a new NullLogger with the given name

Parameters:

instanceName - (ignored)

Method Detail

isDebugEnabled

public boolean isDebugEnabled()

Description copied from interface: Log

Is the 'debug' log level enabled?

Specified by:

isDebugEnabled in interface Log

Returns:

true if so.

See Also:

Log.isDebugEnabled()

isErrorEnabled

public boolean isErrorEnabled()

Description copied from interface: Log

Is the 'error' log level enabled?

Specified by:

isErrorEnabled in interface Log

Returns:

true if so.

See Also:

Log.isErrorEnabled()

isFatalEnabled

public boolean isFatalEnabled()

Description copied from interface: Log

Is the 'fatal' log level enabled?

Specified by:

isFatalEnabled in interface Log

Returns:

true if so.

See Also:

Log.isFatalEnabled()

isInfoEnabled

public boolean isInfoEnabled()

Description copied from interface: Log

Is the 'info' log level enabled?

Specified by:

isInfoEnabled in interface Log

Returns:

true if so.

See Also:

Log.isInfoEnabled()

isTraceEnabled

public boolean isTraceEnabled()

Description copied from interface: Log

Is the 'trace' log level enabled?

Specified by:

isTraceEnabled in interface Log

Returns:

true if so.

See Also:

Log.isTraceEnabled()

isWarnEnabled

public boolean isWarnEnabled()

Description copied from interface: Log

Is the 'warn' log level enabled?

Specified by:

isWarnEnabled in interface Log

Returns:

true if so.

See Also:

Log.isWarnEnabled()

logDebug

public void logDebug(java.lang.Object msg)

Description copied from interface: Log

Logs the given message instance using the 'debug' level

Specified by:

logDebug in interface Log

Parameters:

msg - the message to log

See Also:

Log.logDebug(java.lang.Object)

logDebug

public void logDebug(java.lang.Object msg,
                     java.lang.Throwable thrown)

Description copied from interface: Log

Logs the given message and Throwable at the 'debug' level.

Specified by:

logDebug in interface Log

Parameters:

msg - the message to log

thrown - the throwable to log (may be null)

See Also:

Log.logDebug(java.lang.Object, java.lang.Throwable)

logError

public void logError(java.lang.Object msg)

Description copied from interface: Log

Logs the given message instance using the 'error' level

Specified by:

logError in interface Log

Parameters:

msg - the message to log

See Also:

Log.logError(java.lang.Object)

logError

public void logError(java.lang.Object msg,
                     java.lang.Throwable thrown)

Description copied from interface: Log

Logs the given message and Throwable at the 'error' level.

Specified by:

logError in interface Log

Parameters:

msg - the message to log

thrown - the throwable to log (may be null)

See Also:

Log.logError(java.lang.Object, java.lang.Throwable)

logFatal

public void logFatal(java.lang.Object msg)

Description copied from interface: Log

Logs the given message instance using the 'fatal' level

Specified by:

logFatal in interface Log

Parameters:

msg - the message to log

See Also:

Log.logFatal(java.lang.Object)

logFatal

public void logFatal(java.lang.Object msg,
                     java.lang.Throwable thrown)

Description copied from interface: Log

Logs the given message and Throwable at the 'fatal' level.

Specified by:

logFatal in interface Log

Parameters:

msg - the message to log

thrown - the throwable to log (may be null)

See Also:

Log.logFatal(java.lang.Object, java.lang.Throwable)

logInfo

public void logInfo(java.lang.Object msg)

Description copied from interface: Log

Logs the given message instance using the 'info' level

Specified by:

logInfo in interface Log

Parameters:

msg - the message to log

See Also:

Log.logInfo(java.lang.Object)

logInfo

public void logInfo(java.lang.Object msg,
                    java.lang.Throwable thrown)

Description copied from interface: Log

Logs the given message and Throwable at the 'info' level.

Specified by:

logInfo in interface Log

Parameters:

msg - the message to log

thrown - the throwable to log (may be null)

See Also:

Log.logInfo(java.lang.Object, java.lang.Throwable)

logTrace

public void logTrace(java.lang.Object msg)

Description copied from interface: Log

Logs the given message instance using the 'trace' level

Specified by:

logTrace in interface Log

Parameters:

msg - the message to log

See Also:

Log.logTrace(java.lang.Object)

logTrace

public void logTrace(java.lang.Object msg,
                     java.lang.Throwable thrown)

Description copied from interface: Log

Logs the given message and Throwable at the 'trace' level.

Specified by:

logTrace in interface Log

Parameters:

msg - the message to log

thrown - the throwable to log (may be null)

See Also:

Log.logTrace(java.lang.Object, java.lang.Throwable)

logWarn

public void logWarn(java.lang.Object msg)

Description copied from interface: Log

Logs the given message instance using the 'warn' level

Specified by:

logWarn in interface Log

Parameters:

msg - the message to log

See Also:

Log.logWarn(java.lang.Object)

logWarn

public void logWarn(java.lang.Object msg,
                    java.lang.Throwable thrown)

Description copied from interface: Log

Logs the given message and Throwable at the 'warn' level.

Specified by:

logWarn in interface Log

Parameters:

msg - the message to log

thrown - the throwable to log (may be null)

See Also:

Log.logWarn(java.lang.Object, java.lang.Throwable)