ValidatorWithStaticError<T extends Object?> class abstract

As its name suggests, this class makes it easier to create a validator which returns a static error message (that does not change based on the data).

Inheritance

• Object
• Validator<T>
• ValidatorWithStaticError

Implementers

• AlphanumericValidator
• EmailValidator
• FuncValidator
• GreaterThanFieldValidator
• HexColorValidator
• IsIntegerValidator
• MaxValueValidator
• MinValueValidator
• NotEmptyListValidator
• NotEmptyStringValidator
• NotNullValidator
• SameAsFieldValidator
• ShouldBeTrueValidator
• URLValidator

Constructors

ValidatorWithStaticError(String error)

const

Properties

error → String

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

innerValidate(T? value) → bool

Returns true or false depending on the validation process. This method is then used by the ValidatorWithStaticError.validate method to return a static error if the result is false.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

validate(T? value) → String?

This method should return null if the field is valid, a string corresponding to the error otherwise.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited