Filter base class that guarantees to be just executed once per request,
on any servlet container. It provides a doFilterInternal
method with HttpServletRequest and HttpServletResponse arguments.
The getAlreadyFilteredAttributeName method determines how
to identify that a request is already filtered. The default implementation
is based on the configured name of the concrete filter instance.
doFilterInternalmethod with HttpServletRequest and HttpServletResponse arguments.The
getAlreadyFilteredAttributeNamemethod determines how to identify that a request is already filtered. The default implementation is based on the configured name of the concrete filter instance.