org.apache.catalina.filters

Class FilterBase

java.lang.Object

org.apache.catalina.filters.FilterBase

All Implemented Interfaces:

javax.servlet.Filter

Direct Known Subclasses:

CsrfPreventionFilter

public abstract class FilterBase
extends Object
implements javax.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 and Description
protected static ResourceBundle	rb

Constructor Summary

Constructors

Constructor and Description
FilterBase()

Method Summary

Modifier and Type	Method and Description
void	destroy()
protected abstract Logger	getLogger()
void	init(javax.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 javax.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(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.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