org.slf4j.helpers

Class NOPLogger

public class NOPLogger extends MarkerIgnoringBase

A direct NOP (no operation) implementation of Logger.

Author: Ceki Gülcü

Field Summary
static NOPLoggerNOP_LOGGER
The unique instance of NOPLogger.
Constructor Summary
protected NOPLogger()
There is no point in creating multiple instances of NOPLOgger, except by derived classes, hence the protected access for the constructor.
Method Summary
voiddebug(String msg)
A NOP implementation.
voiddebug(String format, Object arg)
A NOP implementation.
voiddebug(String format, Object arg1, Object arg2)
A NOP implementation.
voiddebug(String format, Object[] argArray)
A NOP implementation.
voiddebug(String msg, Throwable t)
A NOP implementation.
voiderror(String msg)
A NOP implementation.
voiderror(String format, Object arg1)
A NOP implementation.
voiderror(String format, Object arg1, Object arg2)
A NOP implementation.
voiderror(String format, Object[] argArray)
A NOP implementation.
voiderror(String msg, Throwable t)
A NOP implementation.
StringgetName()
Always returns the string value "NOP".
voidinfo(String msg)
A NOP implementation.
voidinfo(String format, Object arg1)
A NOP implementation.
voidinfo(String format, Object arg1, Object arg2)
A NOP implementation.
voidinfo(String format, Object[] argArray)
A NOP implementation.
voidinfo(String msg, Throwable t)
A NOP implementation.
booleanisDebugEnabled()
Always returns false.
booleanisErrorEnabled()
A NOP implementation.
booleanisInfoEnabled()
Always returns false.
booleanisTraceEnabled()
Always returns false.
booleanisWarnEnabled()
Always returns false.
voidtrace(String msg)
A NOP implementation.
voidtrace(String format, Object arg)
A NOP implementation.
voidtrace(String format, Object arg1, Object arg2)
A NOP implementation.
voidtrace(String format, Object[] argArray)
A NOP implementation.
voidtrace(String msg, Throwable t)
A NOP implementation.
voidwarn(String msg)
A NOP implementation.
voidwarn(String format, Object arg1)
A NOP implementation.
voidwarn(String format, Object arg1, Object arg2)
A NOP implementation.
voidwarn(String format, Object[] argArray)
A NOP implementation.
voidwarn(String msg, Throwable t)
A NOP implementation.

Field Detail

NOP_LOGGER

public static final NOPLogger NOP_LOGGER
The unique instance of NOPLogger.

Constructor Detail

NOPLogger

protected NOPLogger()
There is no point in creating multiple instances of NOPLOgger, except by derived classes, hence the protected access for the constructor.

Method Detail

debug

public final void debug(String msg)
A NOP implementation.

debug

public final void debug(String format, Object arg)
A NOP implementation.

debug

public final void debug(String format, Object arg1, Object arg2)
A NOP implementation.

debug

public final void debug(String format, Object[] argArray)
A NOP implementation.

debug

public final void debug(String msg, Throwable t)
A NOP implementation.

error

public final void error(String msg)
A NOP implementation.

error

public final void error(String format, Object arg1)
A NOP implementation.

error

public final void error(String format, Object arg1, Object arg2)
A NOP implementation.

error

public final void error(String format, Object[] argArray)
A NOP implementation.

error

public final void error(String msg, Throwable t)
A NOP implementation.

getName

public String getName()
Always returns the string value "NOP".

info

public final void info(String msg)
A NOP implementation.

info

public final void info(String format, Object arg1)
A NOP implementation.

info

public final void info(String format, Object arg1, Object arg2)
A NOP implementation.

info

public final void info(String format, Object[] argArray)
A NOP implementation.

info

public final void info(String msg, Throwable t)
A NOP implementation.

isDebugEnabled

public final boolean isDebugEnabled()
Always returns false.

Returns: always false

isErrorEnabled

public final boolean isErrorEnabled()
A NOP implementation.

isInfoEnabled

public final boolean isInfoEnabled()
Always returns false.

Returns: always false

isTraceEnabled

public final boolean isTraceEnabled()
Always returns false.

Returns: always false

isWarnEnabled

public final boolean isWarnEnabled()
Always returns false.

Returns: always false

trace

public final void trace(String msg)
A NOP implementation.

trace

public final void trace(String format, Object arg)
A NOP implementation.

trace

public final void trace(String format, Object arg1, Object arg2)
A NOP implementation.

trace

public final void trace(String format, Object[] argArray)
A NOP implementation.

trace

public final void trace(String msg, Throwable t)
A NOP implementation.

warn

public final void warn(String msg)
A NOP implementation.

warn

public final void warn(String format, Object arg1)
A NOP implementation.

warn

public final void warn(String format, Object arg1, Object arg2)
A NOP implementation.

warn

public final void warn(String format, Object[] argArray)
A NOP implementation.

warn

public final void warn(String msg, Throwable t)
A NOP implementation.
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