[Catalyst] implementing ajax

[Jennifer Ahn]

hello!

i'm wondering how one would implement the server side controller end of 
an application with ajax.  i have the javascript on my client sending an 
xml file to a uri controller method but, how does the controller process 
that xml?  is the standard way of doing this by reading in the xml file 
through stdin?  i'd like to implement this without using JSON of jemplate.

thanks for your help!

jennifer