FilterAdapter

java.lang.Object
- org.apache.logging.log4j.core.AbstractLifeCycle
- - org.apache.logging.log4j.core.filter.AbstractFilter
  - - org.apache.log4j.bridge.FilterAdapter

All Implemented Interfaces:

Filter, LifeCycle, LifeCycle2
```
public class FilterAdapter
extends AbstractFilter
```
Binds a Log4j 1.x Filter with Log4j 2.

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.logging.log4j.core.filter.AbstractFilter
  AbstractFilter.AbstractFilterBuilder<B extends AbstractFilter.AbstractFilterBuilder<B>>
- Nested classes/interfaces inherited from interface org.apache.logging.log4j.core.Filter
  Filter.Result
- Nested classes/interfaces inherited from interface org.apache.logging.log4j.core.LifeCycle
  LifeCycle.State

Field Summary

Fields
Modifier and Type Field Description

private Filter filter
- Fields inherited from class org.apache.logging.log4j.core.filter.AbstractFilter
  onMatch, onMismatch
- Fields inherited from class org.apache.logging.log4j.core.AbstractLifeCycle
  DEFAULT_STOP_TIMEOUT, DEFAULT_STOP_TIMEUNIT, LOGGER
- Fields inherited from interface org.apache.logging.log4j.core.Filter
  ELEMENT_TYPE, EMPTY_ARRAY

Constructor Summary

Constructors
Constructor Description

FilterAdapter(Filter filter)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static Filter`	`addFilter(Filter first, Filter second)`	Appends one filter to another using Log4j 2.x concatenation utilities.
`static Filter`	`convertFilter(Filter filter)`	Converts a Log4j 1.x filter into a Log4j 2.x filter.
`Filter.Result`	`filter(LogEvent event)`	Context Filter method.
`Filter`	`getFilter()`	Gets the actual filter.
`void`	`start()`

Methods inherited from class org.apache.logging.log4j.core.filter.AbstractFilter
equalsImpl, filter, filter, filter, filter, filter, filter, filter, filter, filter, filter, filter, filter, filter, getOnMatch, getOnMismatch, hashCodeImpl, toString

Methods inherited from class org.apache.logging.log4j.core.AbstractLifeCycle
getState, getStatusLogger, initialize, isInitialized, isStarted, isStarting, isStopped, isStopping, setStarted, setStarting, setState, setStopped, setStopping, stop, stop, stop

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

Methods inherited from interface org.apache.logging.log4j.core.LifeCycle
getState, initialize, isStarted, isStopped, stop

- Field Detail
  - filter
```
private final Filter filter
```
- Constructor Detail
  - FilterAdapter
```
public FilterAdapter(Filter filter)
```
- Method Detail
  - convertFilter
```
public static Filter convertFilter(Filter filter)
```
    Converts a Log4j 1.x filter into a Log4j 2.x filter.
    
    Parameters:
    
    filter - a Log4j 1.x filter
    
    Returns:
    
    a Log4j 2.x filter
  - addFilter
```
public static Filter addFilter(Filter first,
                               Filter second)
```
    Appends one filter to another using Log4j 2.x concatenation utilities.
    
    Parameters:
    
    first -
    
    second -
    
    Returns:
  - filter
```
public Filter.Result filter(LogEvent event)
```
    Description copied from class: AbstractFilter
    
    Context Filter method. The default returns NEUTRAL.
    
    Specified by:
    
    filter in interface Filter
    
    Overrides:
    
    filter in class AbstractFilter
    
    Parameters:
    
    event - The LogEvent.
    
    Returns:
    
    The Result of filtering.
  - getFilter
```
public Filter getFilter()
```
    Gets the actual filter.
    
    Returns:
    
    the actual filter.
    
    Since:
    
    2.17.1
  - start
```
public void start()
```
    Specified by:
    
    start in interface LifeCycle
    
    Overrides:
    
    start in class AbstractLifeCycle