Spring security - how to mention both form based and basic authentication

Question

Is it possible to mention both form-based and basic authentication in Spring security using namespace configuration without overriding other ? So that the appliciation could

Answer 1

It seems that it is not possible to declare both form and basic authentication using namespace configuration.

A reference link to spring community : http://forum.springsource.org/showthread.php?t=72724&highlight=form+basic+authentication