FilterBase (Payara Project 6.2023.2 API)

java.lang.Object
- org.apache.catalina.filters.FilterBase

All Implemented Interfaces:

jakarta.servlet.Filter

Direct Known Subclasses:

CsrfPreventionFilter
```
public abstract class FilterBase
extends Object
implements jakarta.servlet.Filter
```
Base class for filters that provides generic initialisation and a simple no-op destruction.

Author:

xxd

Field Summary

Fields
Modifier and Type Field Description

protected static ResourceBundle rb

Constructor Summary

Constructors
Constructor Description

FilterBase()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`destroy()`
`protected abstract Logger`	`getLogger()`
`void`	`init(jakarta.servlet.FilterConfig filterConfig)`
`protected boolean`	`isConfigProblemFatal()`	Determines if an exception when calling a setter or an unknown configuration attribute triggers the failure of the this filter which in turn will prevent the web application from starting.

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

Methods inherited from interface jakarta.servlet.Filter
doFilter

- Field Detail
  - rb
```
protected static final ResourceBundle rb
```
- Constructor Detail
  - FilterBase
```
public FilterBase()
```
- Method Detail
  - getLogger
```
protected abstract Logger getLogger()
```
  - init
```
public void init(jakarta.servlet.FilterConfig filterConfig)
          throws jakarta.servlet.ServletException
```
    Specified by:
    
    init in interface jakarta.servlet.Filter
    
    Throws:
    
    jakarta.servlet.ServletException
  - destroy
```
public void destroy()
```
    Specified by:
    
    destroy in interface jakarta.servlet.Filter
  - isConfigProblemFatal
```
protected boolean isConfigProblemFatal()
```
    Determines if an exception when calling a setter or an unknown configuration attribute triggers the failure of the this filter which in turn will prevent the web application from starting.
    
    Returns:
    
    true if a problem should trigger the failure of this filter, else false