    # File lib/fog/rackspace/models/storage/directory.rb, line 55
            def save
              requires :key
              service.put_container(key)

              if service.cdn && @public
                # if public and CDN connection then update cdn to public
                uri_header = 'X-CDN-URI'
                if service.rackspace_cdn_ssl == true
                  uri_header = 'X-CDN-SSL-URI'
                end
                @public_url = service.cdn.put_container(key, 'X-CDN-Enabled' => 'True').headers[uri_header]
              elsif service.cdn && !@public
                service.cdn.put_container(key, 'X-CDN-Enabled' => 'False')
                @public_url = nil
              elsif !service.cdn && @public
                # if public but no CDN connection then error
                raise(Fog::Storage::Rackspace::Error.new("Directory can not be set as :public without a CDN provided"))
              end
              true
            end