Module jakarta.servlet

Package jakarta.servlet

Class GenericFilter

java.lang.Object

jakarta.servlet.GenericFilter

All Implemented Interfaces:

Filter, FilterConfig, Serializable

Direct Known Subclasses:

HttpFilter

public abstract class GenericFilter
extends Object
implements Filter, FilterConfig, Serializable

A generic filter.

Author:

Manfred Riem ([email protected])

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
GenericFilter()

Method Summary

Modifier and Type	Method	Description
FilterConfig	getFilterConfig()	Returns the filter configuration.
String	getFilterName()	Returns the filter name.
String	getInitParameter(String name)	Get the init parameter.
Enumeration<String>	getInitParameterNames()	Returns the init parameter names.
ServletContext	getServletContext()	Returns the servlet context.
void	init()	Initialize the filter.
void	init(FilterConfig filterConfig)	Initialize the filter.

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

destroy, doFilter

Constructor Details

GenericFilter

public GenericFilter()

Method Details

init

public void init(FilterConfig filterConfig)
          throws ServletException

Description copied from interface: Filter

Initialize the filter.

Specified by:

init in interface Filter

Parameters:

filterConfig - the filter configuration.

Throws:

ServletException - when a servlet error occurs.

init

public void init()
          throws ServletException

Initialize the filter.

Throws:

ServletException - when a Servlet error occurs.

getFilterConfig

public FilterConfig getFilterConfig()

Returns the filter configuration.

Returns:

the filter configuration

getFilterName

public String getFilterName()

Description copied from interface: FilterConfig

Returns the filter name.

Specified by:

getFilterName in interface FilterConfig

Returns:

the filter name

getInitParameter

public String getInitParameter(String name)

Description copied from interface: FilterConfig

Get the init parameter.

Specified by:

getInitParameter in interface FilterConfig

Parameters:

name - the name.

Returns:

the value.

getInitParameterNames

public Enumeration<String> getInitParameterNames()

Description copied from interface: FilterConfig

Returns the init parameter names.

Specified by:

getInitParameterNames in interface FilterConfig

Returns:

the init parameter names

getServletContext

public ServletContext getServletContext()

Description copied from interface: FilterConfig

Returns the servlet context.

Specified by:

getServletContext in interface FilterConfig

Returns:

the servlet context