Kopi luwak , or civet coffee, refers to the seeds of coffee berries once they have been eaten and egested by the Asian palm civet

http://en.wikipedia.org/wiki/Kopi_Luwak

Is it kosher because they are still viewed as coffee beans or is it viewed as the product of a nonkosher animal (akin to a secretion like milk) and, thus, nonkosher?