io.youi.http.HeaderKey.scala Maven / Gradle / Ivy

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Core functionality leveraged and shared by most other sub-projects of YouI.

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package io.youi.http

trait HeaderKey {
  def key: String
  protected def commaSeparated: Boolean

  def get(headers: Headers): Option[String] = all(headers).headOption
  def all(headers: Headers): List[String] = if (commaSeparated) {
    headers.get(this).flatMap(_.split(',').map(_.trim))
  } else {
    headers.get(this)
  }
}

object HeaderKey {
  def apply(key: String): StringHeaderKey = new StringHeaderKey(key)
}