/**
* Creates an xsd:decimal by decoding from a data buffer.
*
* @param subtypeId The ID for either the full or abbreviated xsd:decimal.
* @param typeURI The full or abbreviated URI for xsd:decimal.
* @param data The data containing the xsd:decimal value.
*/
SPDecimalBaseImpl(int subtypeId, URI typeURI, ByteBuffer data) {
super(subtypeId, typeURI);
if (data.limit() == Constants.SIZEOF_LONG)
throw new IllegalArgumentException("Buffer does not hold a decimal.");
ByteBuffer number = data;
if (data.limit() == END_IDX + 1) {
if (data.get(END_IDX) == END_BYTE) {
data.limit(END_IDX);
number = data.slice();
}
}
lexical = CHARSET.decode(number).toString();
val = new BigDecimal(lexical);
}
/**
* Reads a byte buffer and converts to a BigDecimal, regardless of formatting.
*
* @param bb The byte buffer to decode.
* @return A BigDecimal representing the stored number.
*/
static BigDecimal decode(ByteBuffer bb) {
ByteBuffer number = bb;
int limit = bb.limit();
if (limit == Constants.SIZEOF_LONG) return BigDecimal.valueOf(bb.getLong());
if (limit == END_IDX + 1) {
// is this buffer padded?
byte terminator = bb.get(END_IDX);
if (terminator == SPDecimalBaseImpl.END_BYTE) {
// remove the padding
bb.limit(END_IDX);
number = bb.slice();
}
}
return new BigDecimal(CHARSET.decode(number).toString());
}
