FieldValidator<I> class abstract

Default implementation of Validator.

Can be used to define custom validators

Implemented types

• Validator<I>

Implementers

• AfterDateTimeValidator
• BeforeDateTimeValidator
• EmailValidator
• EmptyIterableValidator
• EmptyMapValidator
• EmptyStringValidator
• EqualToValidator
• GreaterThanOrEqualValidator
• GreaterThanValidator
• LessThanOrEqualValidator
• LessThanValidator
• MaxCharactersValidator
• MinCharactersValidator
• NotEmptyIterableValidator
• NotEmptyMapValidator
• NotEmptyStringValidator
• NotEqualToValidator
• RegexpValidator
• UriValidator

Constructors

FieldValidator({String? fieldName, required String message, bool ignoreNullable = true})

Defines fieldName and message that will be used to generate validation error message if validation fails.

const

FieldValidator.withMessage({required String message, bool ignoreNullable = true})

Defines full validation message if validation fails.

const

Properties

hashCode → int

The hash code for this object.

no setter, override

ignoreNullable → bool

If validation can be invoked on null values.

final

message → String

Validation error message.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

call(I? value) → String?

Invoke validation

override

isValid(I? value) → bool

Validation function

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

override