Bencode domain

BencodeDomain.scala

trait BencodeConstants {
  final val DEFAULT_STRING_ENCODING = "ISO-8859-15"
  final val DEFAULT_NUMBER_ENCODING = "US-ASCII"

  final val NUMBER_BEGIN: Char = 'i'
  final val NUMBER_END: Char = 'e'

  final val LIST_BEGIN = 'l'
  final val LIST_END = 'e'

  final val DICT_BEGIN = 'd'
  final val DICT_END = 'e'
}

sealed trait BencodeType extends BencodeConstants

case class BString(get: List[Byte]) extends BencodeType {

  def create(enc: String = DEFAULT_STRING_ENCODING) = new String(get.toArray, enc)

  override def toString = {
    //We use a 1-byte encoding since it's compliant with specification
    val output = new String(get.take(200).toArray, DEFAULT_STRING_ENCODING)
    if (get.length > 200) output + " ..." else output
  }
}

case class BInt(get: Int) extends BencodeType {
  override def toString = get.toString
}

case class BList(get: List[BencodeType]) extends BencodeType

case class BDict(get: Map[BString, BencodeType]) extends BencodeType