# File lib/action_controller/request.rb, line 58 def content_type @content_type ||= begin content_type = @env['CONTENT_TYPE'].to_s.downcase if x_post_format = @env['HTTP_X_POST_DATA_FORMAT'] case x_post_format.to_s.downcase when 'yaml' content_type = 'application/x-yaml' when 'xml' content_type = 'application/xml' end end Mime::Type.lookup(content_type) end end