@Override
public int unpack(ISOComponent c, byte[] b, int offset) throws ISOException {
try {
int len = prefixer.decodeLength(b, offset);
if (len == -1) {
// The prefixer doesn't know how long the field is, so use
// maxLength instead
len = getLength(b, offset);
}
int lenLen = prefixer.getPackedLength();
String unpacked = interpreter.uninterpret(b, offset + lenLen, len);
c.setValue(unpacked);
return lenLen + interpreter.getPackedLength(len);
} catch (Exception e) {
throw new ISOException(makeExceptionMessage(c, "unpacking"), e);
}
}
