From: Radim Kolar SF.NET <hsn_at_sendmail.cz>
Date: Wed, 7 Nov 2007 03:22:13 +0100

is there some inteligent way how to share some global data (dns cache
in my case) between Filters?

i mean avoiding to use static variables or subclassing Controller and adding
new field to it.

i am seeking for something per Controller like Context.setAttribute().