| Apache Struts 2 Documentation > Home > Guides > Core Developers Guide > Annotations > DoubleRangeFieldValidator Annotation |
This validator checks that a double field has a value within a specified range. If neither min nor max is set, nothing will be done.
The annotation must be applied at method level.
| Parameter | Required | Default | Notes |
|---|---|---|---|
| message | yes | field error message | |
| key | no | i18n key from language specific properties file. | |
| fieldName | no | ||
| shortCircuit | no | false | If this validator should be used as shortCircuit. |
| type | yes | ValidatorType.FIELD | Enum value from ValidatorType. Either FIELD or SIMPLE can be used here. |
| minInclusive | no | Double property. The inclusive minimum the number must be. | |
| maxInclusive | no | Double property. The inclusive maximum number can be. | |
| minExclusive | no | Double property. The exclusive minimum the number must be. | |
| maxExclusive | no | Double property. The exclusive maximum number can be. |
If neither min nor max is set, nothing will be done.
The values for min and max must be inserted as String values so that "0" can be handled as a possible value.
@DoubleRangeFieldValidator(message = "Default message", key = "i18n.key", shortCircuit = true, minInclusive = "0.123", maxInclusive = "99.987")