How to specify protocol switch to HTTPS in Struts 2 using OGNL

I'm having trouble with specifying that particular forms in my app should use HTTPS instead of HTTP. In Struts 1 you could use something like the tag; what is its equivalent in OGNL? Also is there any info/reference docs on this you can suggest I take a look at - unfortunately googling didn't tur

Switching protocols to HTTPS in Struts2

I'm having trouble with specifying that particular forms in my app should use HTTPS instead of HTTP. In our existing struts1 app we created a tag called secureForm and in the JSPs we would reference this whenever we needed the form to post via HTTPS eg ; Is there a standard tag or tag property w