override def addHeader()

in notificationworkerlambda/src/main/scala/com/gu/notifications/worker/delivery/fcm/oktransport/OkGoogleHttpRequest.scala [18:45]


  override def addHeader(name: String, value: String): Unit = headers.offer((name, value))

  override def execute(): LowLevelHttpResponse = {
    val response: Response = executeRequest()

    val (maybeContentType: Option[String], maybeBodyBytes: Option[Array[Byte]]) = callOnceWithResponseBody(response)(responseBody =>
      (Option(responseBody.contentType()).map(_.toString), Option(responseBody.bytes()))
    ).getOrElse(None, None)

    val maybeContent: Option[ByteArrayInputStream] = maybeBodyBytes.map(new ByteArrayInputStream(_))
    val maybeContentLength: Option[Long] = maybeBodyBytes.map(_.length.toLong)

    val headerList: scala.List[(String, String)] = readHeaders(response)
    val maybeContentEncoding = Option(response.header("content-encoding"))
    val httpProtocolInUpperCase = response.protocol().toString.toUpperCase
    val statusCode = response.code
    val statusReason = Option(response.message()).map(_.trim).filterNot(_.isEmpty)
    new OkGoogleHttpResponse(
      maybeContent,
      maybeContentEncoding,
      maybeContentLength,
      maybeContentType,
      httpProtocolInUpperCase,
      statusCode,
      statusReason,
      headerList
    )
  }