Using HTTP Basic-Auth with Google App Engine URLFetch service

Question

How can I specify the username and password for making Basic-Auth requests with App Engine\'s URLFetch service (in Java)?

It seems I can set HTTP headers:

Answer 1

For those interested in doing this in Python (as I was), the code looks like this:

result = urlfetch.fetch("http://www.example.com/comment",
                        headers={"Authorization": 
                                 "Basic %s" % base64.b64encode("username:pass")})