FileTypeRule class
A Validation rule to check if the file is of a specified type.
This rule validates that the input file is of a specified type.
- Inheritance
-
- Object
- ValidationRule<
File?> - FileTypeRule
Constructors
-
FileTypeRule({required List<
String> allowedMimeTypes, String? message}) - Creates a new instance of the FileTypeRule validation rule.
Properties
-
allowedMimeTypes
→ List<
String> -
The list of allowed mime types to check against.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- l10n → ValidatorLocalizations
-
The ValidatorLocalizations instance used for localization of validation messages.
It's obtained through a service locator (
sl
) for convenience.no setterinherited - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
message(
String fieldName) → String -
Retrieves the validation message to be displayed.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
validate(
File? value, Map< String, FormFieldState> fields) → bool -
Validates the given
value
against the validation rule.override -
validatorMessage(
String fieldName) → String -
Retrieves the validator message for the field.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited