Apache Struts 2 Documentation > Home > Guides > Core Developers Guide > Annotations > Validations Annotation |
If you want to use several annotations of the same type, these annotation must be nested within the @Validations() annotation.
Used at METHOD level.
Parameter | Required | Notes |
---|---|---|
requiredFields | no | Add list of RequiredFieldValidators |
customValidators | no | Add list of CustomValidators |
conversionErrorFields | no | Add list of ConversionErrorFieldValidators |
dateRangeFields | no | Add list of DateRangeFieldValidators |
emails | no | Add list of EmailValidators |
fieldExpressions | no | Add list of FieldExpressionValidators |
intRangeFields | no | Add list of IntRangeFieldValidators |
requiredFields | no | Add list of RequiredFieldValidators |
requiredStrings | no | Add list of RequiredStringValidators |
stringLengthFields | no | Add list of StringLengthFieldValidators |
urls | no | Add list of UrlValidators |
visitorFields | no | Add list of VisitorFieldValidators |
stringRegexs | no | Add list of StringRegexValidator |
regexFields | no | Add list of RegexFieldValidator |
expressions | no | Add list of ExpressionValidator |
@Validations( requiredFields = {@RequiredFieldValidator(type = ValidatorType.SIMPLE, fieldName = "customfield", message = "You must enter a value for field.")}, requiredStrings = {@RequiredStringValidator(type = ValidatorType.SIMPLE, fieldName = "stringisrequired", message = "You must enter a value for string.")}, emails = { @EmailValidator(type = ValidatorType.SIMPLE, fieldName = "emailaddress", message = "You must enter a value for email.")}, urls = { @UrlValidator(type = ValidatorType.SIMPLE, fieldName = "hreflocation", message = "You must enter a value for email.")}, stringLengthFields = {@StringLengthFieldValidator(type = ValidatorType.SIMPLE, trim = true, minLength="10" , maxLength = "12", fieldName = "needstringlength", message = "You must enter a stringlength.")}, intRangeFields = { @IntRangeFieldValidator(type = ValidatorType.SIMPLE, fieldName = "intfield", min = "6", max = "10", message = "bar must be between ${min} and ${max}, current value is ${bar}.")}, dateRangeFields = {@DateRangeFieldValidator(type = ValidatorType.SIMPLE, fieldName = "datefield", min = "-1", max = "99", message = "bar must be between ${min} and ${max}, current value is ${bar}.")}, expressions = { @ExpressionValidator(expression = "foo > 1", message = "Foo must be greater than Bar 1. Foo = ${foo}, Bar = ${bar}."), @ExpressionValidator(expression = "foo > 2", message = "Foo must be greater than Bar 2. Foo = ${foo}, Bar = ${bar}."), @ExpressionValidator(expression = "foo > 3", message = "Foo must be greater than Bar 3. Foo = ${foo}, Bar = ${bar}."), @ExpressionValidator(expression = "foo > 4", message = "Foo must be greater than Bar 4. Foo = ${foo}, Bar = ${bar}."), @ExpressionValidator(expression = "foo > 5", message = "Foo must be greater than Bar 5. Foo = ${foo}, Bar = ${bar}.") } ) public String execute() throws Exception { return SUCCESS; }