apache spark - Loading Scala objects into RDD -

a scala class represents user. class has companion object .

the class contains toxml() function, , companion object has fromxml() function.

class user(val firstname:string, val lastname:string, val age:int, val profession:string){    def toxml(){...} } 

an xml file contains list of users, modelled scala class.

a spark rdd needs created\loaded xml file, contains collection of scala objects of type of our class, i.e. rdd[user].

what best way this?

thanks