private static String convertEnum(Attribute attr, Object value) {
if (value == null) {
return null;
}
String stringValue;
if (value instanceof String) {
stringValue = (String) value;
} else if (value instanceof Enum) {
stringValue = value.toString();
} else {
throw new MolgenisValidationException(
new ConstraintViolation(
format(
"Attribute [%s] value is of type [%s] instead of [%s] or [%s]",
attr.getName(),
value.getClass().getSimpleName(),
String.class.getSimpleName(),
Enum.class.getSimpleName())));
}
if (!attr.getEnumOptions().contains(stringValue)) {
throw new MolgenisValidationException(
new ConstraintViolation(
format(
"Attribute [%s] value [%s] is not a valid enum option",
attr.getName(), stringValue)));
}
return stringValue;
}