CoreLogger

java.lang.Object
- java.util.logging.Logger
- - org.apache.logging.log4j.jul.ApiLogger
  - - org.apache.logging.log4j.jul.CoreLogger

```
public class CoreLogger
extends ApiLogger
```
Log4j Core implementation of the JUL Logger class. Note that this implementation does not use the Handler class. Instead, logging is delegated to the underlying Log4j Logger which uses Appenders instead.

Since:

2.1

Field Summary

Fields
Modifier and Type Field Description

private Logger logger
- Fields inherited from class java.util.logging.Logger
  global, GLOBAL_LOGGER_NAME

Constructor Summary

Constructors
Constructor Description

CoreLogger(Logger logger)
Constructs a Logger using a Log4j Logger.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.logging.Logger`	`getParent()`
`boolean`	`getUseParentHandlers()`	Indicates if the underlying `Logger` is additive.
`void`	`setLevel(java.util.logging.Level level)`
`void`	`setUseParentHandlers(boolean additive)`	Marks the underlying `Logger` as additive.

Methods inherited from class org.apache.logging.log4j.jul.ApiLogger
config, doSetLevel, entering, entering, entering, exiting, exiting, fine, finer, finest, getName, info, isFiltered, isLoggable, log, log, log, log, log, logp, logp, logp, logp, logrb, logrb, logrb, logrb, setParent, severe, throwing, warning

Methods inherited from class java.util.logging.Logger
addHandler, config, fine, finer, finest, getAnonymousLogger, getAnonymousLogger, getFilter, getGlobal, getHandlers, getLevel, getLogger, getLogger, getResourceBundle, getResourceBundleName, info, log, log, logp, logp, logrb, logrb, logrb, logrb, removeHandler, setFilter, setResourceBundle, severe, warning

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - logger
```
private final Logger logger
```
- Constructor Detail
  - CoreLogger
```
CoreLogger(Logger logger)
```
    Constructs a Logger using a Log4j Logger.
    
    Parameters:
    
    logger - the underlying Logger to base this Logger on
- Method Detail
  - setLevel
```
public void setLevel(java.util.logging.Level level)
              throws java.lang.SecurityException
```
    Overrides:
    
    setLevel in class ApiLogger
    
    Throws:
    
    java.lang.SecurityException
  - setUseParentHandlers
```
public void setUseParentHandlers(boolean additive)
```
    Marks the underlying Logger as additive.
    
    Overrides:
    
    setUseParentHandlers in class java.util.logging.Logger
    
    Parameters:
    
    additive - true if this Logger should be additive
    
    See Also:
    
    Logger.setAdditive(boolean)
  - getUseParentHandlers
```
public boolean getUseParentHandlers()
```
    Indicates if the underlying Logger is additive. Note that the Log4j version of JDK Loggers do not use Handlers.
    
    Overrides:
    
    getUseParentHandlers in class java.util.logging.Logger
    
    Returns:
    
    true if this Logger is additive, or false otherwise
    
    See Also:
    
    Logger.isAdditive()
  - getParent
```
public java.util.logging.Logger getParent()
```
    Overrides:
    
    getParent in class java.util.logging.Logger