XSLT has absolutely nothing to do with HTTP, so no, not unless the particular environment you're executing the XSLT in provides support for it in some way.
Richard "Superpig" Fine - saving pigs from untimely fates - Microsoft DirectX MVP 2006/2007/2008/2009
"Shaders are not meant to do everything. Of course you can try to use it for everything, but it's like playing football using cabbage." - MickeyMouse