LongitudeValidator class

LongitudeValidator extends TranslatedValidator to validate if a string represents a valid longitude value.

This validator checks if the longitude value is a number within the range of -180 to 180 degrees.

Parameters:

  • errorText The error message returned if the validation fails.
  • checkNullOrEmpty Whether to check if the value is null or empty.
Inheritance

Constructors

LongitudeValidator.new({String? errorText, bool checkNullOrEmpty = true})
Constructor for the longitude validator.
const

Properties

checkNullOrEmpty bool
Whether to check if the value is null or empty.
finalinherited
errorText String
The error message returned if the value is invalid.
no setterinherited
hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
translatedErrorText String
The translated error message returned if the value is invalid.
no setteroverride

Methods

isLongitude(String value) bool
Check if the string is a valid longitude.
isNullOrEmpty(String? valueCandidate) bool
Checks if the value is null or empty. Returns true if the value is null or empty, otherwise false. The value is considered empty if it is a String, Iterable, or Map and it is empty or contains only whitespace characters. If the value is not a String, Iterable, or Map, it is considered empty if it is null.
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(String? valueCandidate) String?
Validates the value and checks if it is null or empty.
inherited
validateValue(String valueCandidate) String?
Validates the value. Returns null if the value is valid, otherwise an error message. Call validate() instead of this method when using the validator.
override

Operators

operator ==(Object other) bool
The equality operator.
inherited