Scala String Utils

StringUtils.scala

def toCamel(s: String): String = {
  val split = s.split("_")
  val tail = split.tail.map { x => x.head.toUpper + x.tail }
  split.head + tail.mkString
}

def camel2Underscore(text: String) = text.drop(1).foldLeft(text.headOption.map(_.toLower + "") getOrElse "") {
  case (acc, c) if c.isUpper => acc + "_" + c.toLower
  case (acc, c) => acc + c
}