public object ConvertFrom(byte[] decimalBuf)
{
var bigintBytes = new byte[decimalBuf.Length - 4];
Array.Copy(decimalBuf, 4, bigintBytes, 0, bigintBytes.Length);
var scale = (byte)TypeCodec.BytesToInt32(decimalBuf, 0);
Array.Reverse(bigintBytes);
var bigInteger = new BigInteger(bigintBytes);
var isNegative = bigInteger < 0;
bigInteger = BigInteger.Abs(bigInteger);
bigintBytes = bigInteger.ToByteArray();
if (bigintBytes.Length > 13 || (bigintBytes.Length == 13 && bigintBytes[12] != 0))
{
throw new ArgumentOutOfRangeException(
"decimalBuf",
"this java.math.BigDecimal is too big to fit into System.Decimal. Think about using other TypeAdapter for java.math.BigDecimal (e.g. J#, IKVM,...)");
}
var intArray = new int[3];
Buffer.BlockCopy(bigintBytes, 0, intArray, 0, Math.Min(12, bigintBytes.Length));
return(new decimal(intArray[0], intArray[1], intArray[2], isNegative, scale));
}