javax.portlet.filter

Interface HeaderFilterChain

public interface HeaderFilterChain

A HeaderFilterChain object is provided by the portlet container to give a view into the invocation chain of a filtered header request for a portlet. Filters use the HeaderFilterChain to invoke the next filter in the chain, or if the calling filter is the last filter in the chain, to invoke the portlet at the end of the chain.

Since:

3.0

Method Summary

Modifier and Type	Method and Description
void	doFilter(HeaderRequest request, HeaderResponse response) Causes the next filter in the chain to be invoked, or if the calling filter is the last filter in the chain, causes the portlet at the end of the chain to be invoked.

Method Detail

doFilter

void doFilter(HeaderRequest request,
              HeaderResponse response)
       throws IOException,
              PortletException

Causes the next filter in the chain to be invoked, or if the calling filter is the last filter in the chain, causes the portlet at the end of the chain to be invoked.

Parameters:

request - the current header request.

response - the current header response.

Throws:

IOException - if an IO error occurred in the filter processing

PortletException - if a portlet exception occurred in the filter processing