# File lib/atom/http.rb, line 319
319:     def validate_content_type( valid )
320:       raise Atom::HTTPException, "HTTP response contains no Content-Type!" unless self.content_type
321: 
322:       media_type = self.content_type.split(";").first
323: 
324:       unless valid.member? media_type.downcase
325:         raise Atom::WrongMimetype, "unexpected response Content-Type: #{media_type.inspect}. should be one of: #{valid.inspect}"
326:       end
327:     end