override def encode()

in spark/hbase-spark/src/main/scala/org/apache/hadoop/hbase/spark/datasources/NaiveEncoder.scala [210:264]
55 lines of code
12 McCabe index (conditional complexity)

  override def encode(dt: DataType, value: Any): Array[Byte] = {
    dt match {
      case BooleanType =>
        val result = new Array[Byte](Bytes.SIZEOF_BOOLEAN + 1)
        result(0) = BooleanEnc
        value.asInstanceOf[Boolean] match {
          case true => result(1) = -1: Byte
          case false => result(1) = 0: Byte
        }
        result
      case ShortType =>
        val result = new Array[Byte](Bytes.SIZEOF_SHORT + 1)
        result(0) = ShortEnc
        Bytes.putShort(result, 1, value.asInstanceOf[Short])
        result
      case IntegerType =>
        val result = new Array[Byte](Bytes.SIZEOF_INT + 1)
        result(0) = IntEnc
        Bytes.putInt(result, 1, value.asInstanceOf[Int])
        result
      case LongType | TimestampType =>
        val result = new Array[Byte](Bytes.SIZEOF_LONG + 1)
        result(0) = LongEnc
        Bytes.putLong(result, 1, value.asInstanceOf[Long])
        result
      case FloatType =>
        val result = new Array[Byte](Bytes.SIZEOF_FLOAT + 1)
        result(0) = FloatEnc
        Bytes.putFloat(result, 1, value.asInstanceOf[Float])
        result
      case DoubleType =>
        val result = new Array[Byte](Bytes.SIZEOF_DOUBLE + 1)
        result(0) = DoubleEnc
        Bytes.putDouble(result, 1, value.asInstanceOf[Double])
        result
      case BinaryType =>
        val v = value.asInstanceOf[Array[Bytes]]
        val result = new Array[Byte](v.length + 1)
        result(0) = BinaryEnc
        System.arraycopy(v, 0, result, 1, v.length)
        result
      case StringType =>
        val bytes = Bytes.toBytes(value.asInstanceOf[String])
        val result = new Array[Byte](bytes.length + 1)
        result(0) = StringEnc
        System.arraycopy(bytes, 0, result, 1, bytes.length)
        result
      case _ =>
        val bytes = Bytes.toBytes(value.toString)
        val result = new Array[Byte](bytes.length + 1)
        result(0) = UnknownEnc
        System.arraycopy(bytes, 0, result, 1, bytes.length)
        result
    }
  }