com.holonplatform.vaadin.components

Interface ValidationStatusHandler.ValidationStatusEvent<V>

Type Parameters:

V - Validation value type

All Superinterfaces:

Serializable

Enclosing interface:

ValidationStatusHandler

public static interface ValidationStatusHandler.ValidationStatusEvent<V>
extends Serializable

A validation status event.

Method Summary

Modifier and Type	Method and Description
default Optional<com.holonplatform.core.i18n.Localizable>	getError() Get the first Localizable validation error message, if the validation status is ValidationStatusHandler.Status.INVALID.
default String	getErrorMessage() Get the first localized error message, using the context LocalizationContext, if available.
default List<String>	getErrorMessages() Get the localized error messages from getErrors(), using the context LocalizationContext, if available.
List<com.holonplatform.core.i18n.Localizable>	getErrors() Get the Localizable validation error messages, if the validation status is ValidationStatusHandler.Status.INVALID.
Optional<com.holonplatform.core.property.Property<V>>	getProperty() If the validation event refers to a Property binding, returns the property to which the value component is bound.
Optional<ValueComponent<V>>	getSource() Get the ValueComponent against whom the validation was performed.
ValidationStatusHandler.Status	getStatus() Get the current validation status
default boolean	isInvalid() Gets whether the validation failed or not.

Method Detail

getStatus

ValidationStatusHandler.Status getStatus()

Get the current validation status

Returns:

the validation status (never null)

isInvalid

default boolean isInvalid()

Gets whether the validation failed or not.

Returns:

true if validation failed (i.e. the validation status is ValidationStatusHandler.Status.INVALID), false otherwise

getErrors

List<com.holonplatform.core.i18n.Localizable> getErrors()

Get the Localizable validation error messages, if the validation status is ValidationStatusHandler.Status.INVALID.

Returns:

the validation error messages when in invalid state, an empty list if none

getErrorMessages

default List<String> getErrorMessages()

Get the localized error messages from getErrors(), using the context LocalizationContext, if available. If a LocalizationContext is not available, the default message of each localizable error message is returned.

Returns:

the localized error messages, an empty list if none.

getError

default Optional<com.holonplatform.core.i18n.Localizable> getError()

Get the first Localizable validation error message, if the validation status is ValidationStatusHandler.Status.INVALID.

Returns:

the optional first Localizable validation error message when in invalid state

getErrorMessage

default String getErrorMessage()

Get the first localized error message, using the context LocalizationContext, if available. If a LocalizationContext is not available, the default message of the first localizable error message is returned.

Returns:

the first localized error message, or null if none

getProperty

Optional<com.holonplatform.core.property.Property<V>> getProperty()

If the validation event refers to a Property binding, returns the property to which the value component is bound.

Returns:

Optional Property to which the value component source of the validation event is bound, empty if no property binding is available

getSource

Optional<ValueComponent<V>> getSource()

Get the ValueComponent against whom the validation was performed.

Returns:

the source ValueComponent, empty if not available