Interface PlatformLoggingMXBean
- All Superinterfaces:
PlatformManagedObject
The management interface for the logging facility.
There is a single global instance of the PlatformLoggingMXBean
.
The ManagementFactory.getPlatformMXBean
method can be used to obtain
the PlatformLoggingMXBean
object as follows:
PlatformLoggingMXBean logging = ManagementFactory.getPlatformMXBean(PlatformLoggingMXBean.class);The
PlatformLoggingMXBean
object is also registered with the
platform MBeanServer.
The ObjectName
for uniquely
identifying the PlatformLoggingMXBean
within an MBeanServer is:
java.util.logging:type=Logging
- Since:
- 1.7
-
Method Summary
Modifier and TypeMethodDescriptiongetLoggerLevel
(String loggerName) Gets the name of the log level associated with the specified logger.Returns the list of the currently registered logger names.getParentLoggerName
(String loggerName) Returns the name of the parent for the specified logger.void
setLoggerLevel
(String loggerName, String levelName) Sets the specified logger to the specified new level.Methods declared in interface java.lang.management.PlatformManagedObject
getObjectName
-
Method Details
-
getLoggerNames
Returns the list of the currently registered logger names. This method callsLogManager.getLoggerNames()
and returns a list of the logger names.- Returns:
- A list of
String
each of which is a currently registeredLogger
name.
-
getLoggerLevel
Gets the name of the log level associated with the specified logger. If the specified logger does not exist,null
is returned. This method first finds the logger of the given name and then returns the name of the log level by calling:Logger.getLevel()
.getName()
;If the
Level
of the specified logger isnull
, which means that this logger's effective level is inherited from its parent, an empty string will be returned.- Parameters:
loggerName
- The name of theLogger
to be retrieved.- Returns:
- The name of the log level of the specified logger; or
an empty string if the log level of the specified logger
is
null
. If the specified logger does not exist,null
is returned. - See Also:
-
setLoggerLevel
Sets the specified logger to the specified new level. If thelevelName
is notnull
, the level of the specified logger is set to the parsedLevel
matching thelevelName
. If thelevelName
isnull
, the level of the specified logger is set tonull
and the effective level of the logger is inherited from its nearest ancestor with a specific (non-null) level value.- Parameters:
loggerName
- The name of theLogger
to be set. Must be non-null.levelName
- The name of the level to set on the specified logger, ornull
if setting the level to inherit from its nearest ancestor.- Throws:
IllegalArgumentException
- if the specified logger does not exist, orlevelName
is not a valid level name.- See Also:
-
getParentLoggerName
Returns the name of the parent for the specified logger. If the specified logger does not exist,null
is returned. If the specified logger is the rootLogger
in the namespace, the result will be an empty string.- Parameters:
loggerName
- The name of aLogger
.- Returns:
- the name of the nearest existing parent logger;
an empty string if the specified logger is the root logger.
If the specified logger does not exist,
null
is returned.
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