private static BigInteger convertBigDecimalToBigInteger(BigDecimal d)
throws NumberFormatException {
try {
return d.toBigIntegerExact();
} catch (ArithmeticException e) {
NumberFormatException nfe =
new NumberFormatException("Cannot represent BigDecimal " + d + " as BigInteger");
nfe.initCause(e);
throw nfe;
}
}
/**
* Returns the unsigned {@code int} value represented by the given string.
*
* <p>Accepts a decimal, hexadecimal, or octal number given by specifying the following prefix:
*
* <ul>
* <li>{@code 0x}<i>HexDigits</i>
* <li>{@code 0X}<i>HexDigits</i>
* <li>{@code #}<i>HexDigits</i>
* <li>{@code 0}<i>OctalDigits</i>
* </ul>
*
* @throws NumberFormatException if the string does not contain a valid unsigned {@code int} value
* @since 13.0
*/
public static int decode(String stringValue) {
ParseRequest request = ParseRequest.fromString(stringValue);
try {
return parseUnsignedInt(request.rawValue, request.radix);
} catch (NumberFormatException e) {
NumberFormatException decodeException =
new NumberFormatException("Error parsing value: " + stringValue);
decodeException.initCause(e);
throw decodeException;
}
}