ValidationException class

Exception for validation errors.

Use this for input validation failures, constraint violations, etc.

if (email.isEmpty) {
  throw ValidationException('Email is required', field: 'email');
}
if (!emailRegex.hasMatch(email)) {
  throw ValidationException('Invalid email format', field: 'email');
}
Inheritance

Constructors

ValidationException(String message, {String? field, Map<String, String>? errors, Object? cause, StackTrace? stackTrace})
Creates a ValidationException.
const

Properties

cause → Object?
The underlying error that caused this exception, if any.
finalinherited
errors → Map<String, String>?
Multiple validation errors, keyed by field name.
final
field → String?
The field that failed validation, if applicable.
final
hashCode → int
The hash code for this object.
no setterinherited
isNetworkError → bool
Whether this is a network-related error.
no setterinherited
isRetryable → bool
Validation errors are not retryable without user action.
no setteroverride
isTimeoutError → bool
Whether this is a timeout error.
no setterinherited
isValidationError → bool
Whether this is a validation error.
no setteroverride
message → String
Human-readable error message.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
stackTrace → StackTrace?
The stack trace where this exception occurred.
finalinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
override

Operators

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