Package org.apache.juneau.rest.server.management

Class JulLogBackend

java.lang.Object

org.apache.juneau.rest.server.management.JulLogBackend

All Implemented Interfaces:

LogBackend

public class JulLogBackend
extends Object
implements LogBackend

LogBackend implementation for java.util.logging (JUL).

This is the default backend driven by LoggersManager when no LoggersSettings declares another one, and it carries the original v1 /loggers behavior so the JUL path is unchanged: reads report each logger's own (configured) level (empty string when inherited), the root logger is keyed "ROOT", and sets are process-lifetime-only via Logger.setLevel(Level).

Since:

10.0.0

Field Summary

Fields

Modifier and Type	Field	Description
static final JulLogBackend	INSTANCE	Process-wide shared instance.

Method Summary

Modifier and Type	Method	Description
String	getLevel(String name)	Returns the configured level of a single logger.
Map<String,String>	getLevels()	Returns a snapshot of all known loggers and their configured levels.
void	setLevel(String name, String level)	Sets (or clears) the level of a single logger at runtime (process-lifetime-only).

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final JulLogBackend INSTANCE

Process-wide shared instance.

Method Details

getLevels

public Map<String,String> getLevels()

Description copied from interface: LogBackend

Returns a snapshot of all known loggers and their configured levels.

Specified by:

getLevels in interface LogBackend

Returns:

A sorted map of logger name → configured level name (empty string = inherited from an ancestor). The root logger is keyed "ROOT". Never null.

getLevel

public String getLevel(String name)

Description copied from interface: LogBackend

Returns the configured level of a single logger.

Specified by:

getLevel in interface LogBackend

Parameters:

name - The logger name ("ROOT" or empty for the root logger).

Returns:

The configured level name, the empty string if the level is inherited, or null if no such logger is currently registered.

setLevel

public void setLevel(String name,
 String level)

Description copied from interface: LogBackend

Sets (or clears) the level of a single logger at runtime (process-lifetime-only).

Specified by:

setLevel in interface LogBackend

Parameters:

name - The logger name ("ROOT" or empty for the root logger).

level - The backend-native level name, or null/blank to clear the logger's own level so it inherits from its ancestor.