@Override
protected Key parse(String input) {
if (_validator != null) _validator.validateRaw(input);
Key k = Key.make(input);
Value v = DKV.get(k);
if (v == null && _mustExist)
throw new IllegalArgumentException("Key '" + input + "' does not exist!");
if (_type != null) {
if (v != null && !compatible(_type, v.get()))
throw new IllegalArgumentException(input + ":" + errors()[0]);
if (v == null && _required)
throw new IllegalArgumentException("Key '" + input + "' does not exist!");
}
return k;
}
