public void checkValid(String value, ValidationContext context) throws DatatypeException {
super.checkValid(value, context);
int len = value.length();
if (len == 0) throw new DatatypeException(0, "invalid non-negative integer value");
boolean negative = false;
for (int i = 0; i < len; i++) {
char c = value.charAt(i);
if (c == 0x30) continue;
else if (c >= 0x31 && c <= 0x39) {
if (negative) throw new DatatypeException(i, "invalid non-negative integer value");
continue;
} else if (c == '+' && i == 0) continue;
else if (c == '-' && i == 0) {
negative = true;
continue;
}
throw new DatatypeException(i, "invalid non-negative integer value");
}
}
public void checkValid(String value, ValidationContext context) throws DatatypeException {
super.checkValid(value, context);
// TODO
}
