Package javax.servlet.http

Class HttpFilter

java.lang.Object

javax.servlet.GenericFilter

javax.servlet.http.HttpFilter

All Implemented Interfaces:

Serializable, Filter, FilterConfig

Direct Known Subclasses:

AuthenticationFilter, AuthorizationFilter, AuthorizationPreFilter

public abstract class HttpFilter
extends GenericFilter

A HTTP filter.

Author:

Manfred Riem ([email protected])

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
HttpFilter()

Method Summary

Modifier and Type	Method	Description
protected void	doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain)	Process the filter.
void	doFilter(ServletRequest request, ServletResponse response, FilterChain chain)	Process the filter.

Methods inherited from class javax.servlet.GenericFilter

destroy, getFilterConfig, getFilterName, getInitParameter, getInitParameterNames, getServletContext, init, init

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HttpFilter

public HttpFilter()

Method Detail

doFilter

public void doFilter(ServletRequest request,
                     ServletResponse response,
                     FilterChain chain)
              throws IOException,
                     ServletException

Process the filter.

Parameters:

request - the request.

response - the response

chain - the filter chain

Throws:

IOException - when an I/O error occurs.

ServletException - when a servlet error occurs.

doFilter

protected void doFilter(HttpServletRequest request,
                        HttpServletResponse response,
                        FilterChain chain)
                 throws IOException,
                        ServletException

Process the filter.

Parameters:

request - the request.

response - the response.

chain - the chain.

Throws:

IOException - when an I/O error occurs.

ServletException - when a servlet error occurs.