s_mach.i18n.impl.OrElseMessages.scala Maven / Gradle / Ivy

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package s_mach.i18n.impl

import s_mach.i18n.messages.{MessageFormat, Messages}

case class OrElseMessages(
  m1: Messages,
  m2: Messages
) extends Messages {
  require(m1.locale == m2.locale)

  val locale = m1.locale

  def get(key: Symbol): Option[MessageFormat] =
    m1.get(key) orElse m2.get(key)

  def keys: Iterable[Symbol] =
    m1.keys.toSet ++ m2.keys

  def contains(key: Symbol): Boolean =
    m1.contains(key) || m2.contains(key)

  def apply(key: Symbol) : MessageFormat =
    m1.applyOrElse(key,m2.apply)

  def applyOrElse(key: Symbol, default: Symbol => MessageFormat): MessageFormat =
    m1.applyOrElse(key,m2.applyOrElse(_, default))

}