# File lib/cloudfiles/container.rb, line 56
    def cdn_metadata
      return @cdn_metadata if @cdn_metadata
      if cdn_available?
        @cdn_metadata = (
          begin
            response = SwiftClient.head_container(self.connection.cdnurl, self.connection.authtoken, escaped_name)
            cdn_enabled = ((response["x-cdn-enabled"] || "").downcase == "true") ? true : false
            {
              :cdn_enabled => cdn_enabled,
              :cdn_ttl => cdn_enabled ? response["x-ttl"].to_i : nil,
              :cdn_url => cdn_enabled ? response["x-cdn-uri"] : nil,
              :cdn_ssl_url => cdn_enabled ? response["x-cdn-ssl-uri"] : nil,
              :cdn_streaming_url => cdn_enabled ? response["x-cdn-streaming-uri"] : nil,
              :cdn_log => (cdn_enabled and response["x-log-retention"] == "True") ? true : false
            }
          rescue ClientException => e
            raise CloudFiles::Exception::NoSuchContainer, "Container #{@name} does not exist" unless (e.status.to_s =~ /^20/)
          end
        )
      else
        @cdn_metadata = {}
      end
    end