# File lib/premailer/rails/css_loaders/network_loader.rb, line 12
        def uri_for_url(url)
          uri = URI(url)

          if uri.host.present?
            return uri if uri.scheme.present?
            URI("http:#{uri}")
          elsif asset_host_present?
            scheme, host = asset_host(url).split(%r{:?//})
            scheme, host = host, scheme if host.nil?
            scheme = 'http' if scheme.blank?
            path = url
            URI(File.join("#{scheme}://#{host}", path))
          end
        end