Apache Struts 2 Documentation
RequiredFieldValidator Annotation
This validator checks that a field is non-null.
Usage
The annotation must be applied at method level.
Parameters
| 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. |
Examples
@RequiredFieldValidator(message = "Default message", key = "i18n.key", shortCircuit = true)