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• xitrum_2.12
• 3.31.0
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• RangeLength.scala

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xitrum.validator.RangeLength.scala Maven / Gradle / Ivy

package xitrum.validator

object RangeLength {
  def apply(min: Int, max: Int) = new RangeLength(min, max)
}

class RangeLength(min: Int, max: Int) extends Validator[String] {
  def check(value: String): Boolean = {
    val length = value.length
    min <= length && length <= max
  }

  def message(name: String, value: String): Option[String] = {
    val length = value.length
    if (min <= length && length <= max)
      None
    else
      Some("%s must be at least %d and at most %d characters".format(name, min, max))
  }
}