org.apache.avalon.framework.logger
Class NullLogger
java.lang.Object
org.apache.avalon.framework.logger.NullLogger
- Logger
public final class NullLogger
extends java.lang.Object
The Null Logger class. This is useful for implementations where you need
to provide a logger to a utility class, but do not want any output from it.
It also helps when you have a utility that does not have a logger to supply.
Version:
- Avalon Development Team
NullLogger
public NullLogger()
Creates a new NullLogger
.
debug
public void debug(String message)
No-op.
- debug in interface Logger
message
- ignored
debug
public void debug(String message,
Throwable throwable)
No-op.
- debug in interface Logger
message
- ignoredthrowable
- ignored
error
public void error(String message)
No-op.
- error in interface Logger
message
- ignored
error
public void error(String message,
Throwable throwable)
No-op.
- error in interface Logger
message
- ignoredthrowable
- ignored
fatalError
public void fatalError(String message)
No-op.
- fatalError in interface Logger
message
- ignored
fatalError
public void fatalError(String message,
Throwable throwable)
No-op.
- fatalError in interface Logger
message
- ignoredthrowable
- ignored
getChildLogger
public Logger getChildLogger(String name)
Returns this NullLogger
.
- getChildLogger in interface Logger
name
- ignored
- this
NullLogger
info
public void info(String message)
No-op.
- info in interface Logger
message
- ignored
info
public void info(String message,
Throwable throwable)
No-op.
- info in interface Logger
message
- ignoredthrowable
- ignored
warn
public void warn(String message)
No-op.
- warn in interface Logger
message
- ignored
warn
public void warn(String message,
Throwable throwable)
No-op.
- warn in interface Logger
message
- ignoredthrowable
- ignored
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