UTF-8 BOM results in crash

[eed3si9n]

UTF-8 BOM results in crash

[eed3si9n]

fixed.
c708f3a

override def toRawSchema(value: File) = {
  val BOM_SIZE = 4
  val EF = 0xEF.toByte
  val BB = 0xBB.toByte
  val BF = 0xBF.toByte
  val FE = 0xFE.toByte
  val FF = 0xFF.toByte
  val bom = Array.ofDim[Byte](BOM_SIZE)
  val in = new java.io.PushbackInputStream(new java.io.FileInputStream(value), BOM_SIZE)
  val readSize = in.read(bom, 0, bom.length)
  val (bomSize, encoding) = bom.toList match {
    case EF :: BB :: BF :: xs => (3, "UTF-8")
    case FE :: FF :: xs       => (2, "UTF-16BE")
    case FF :: FE :: xs       => (2, "UTF-16LE")
    case _                    => (0, "UTF-8")
  }
  in.unread(bom, bomSize, readSize - bomSize)
  readerToRawSchema(new BufferedReader(new java.io.InputStreamReader(in, encoding)))
}

this goes back to Sun not fixing Bug ID 4508058: UTF-8 encoding does not recognize initial BOM.