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• tethys-core_2.13
• 0.29.3
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• KeyWriter.scala

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tethys.writers.KeyWriter.scala Maven / Gradle / Ivy

package tethys.writers

@FunctionalInterface
trait KeyWriter[A] {
  def toKey(value: A): String
}

object KeyWriter {
  implicit lazy val stringKeyWriter: KeyWriter[String] = identity

  implicit lazy val uuidKeyWriter: KeyWriter[java.util.UUID] = _.toString

  implicit lazy val intKeyWriter: KeyWriter[Int] = _.toString

  implicit lazy val longKeyWriter: KeyWriter[Long] = _.toString

  implicit lazy val instantKeyWriter: KeyWriter[java.time.Instant] = _.toString

  implicit lazy val localDateKeyWriter: KeyWriter[java.time.LocalDate] =
    _.format(java.time.format.DateTimeFormatter.ISO_LOCAL_DATE)

  implicit lazy val localDateTimeKeyWriter: KeyWriter[java.time.LocalDateTime] =
    _.format(java.time.format.DateTimeFormatter.ISO_LOCAL_DATE_TIME)

  implicit lazy val offsetDateTimeKeyWriter
      : KeyWriter[java.time.OffsetDateTime] =
    _.format(java.time.format.DateTimeFormatter.ISO_OFFSET_DATE_TIME)

  implicit lazy val zonedDateTimeKeyWriter: KeyWriter[java.time.ZonedDateTime] =
    _.format(java.time.format.DateTimeFormatter.ISO_ZONED_DATE_TIME)
}