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com.vaadin.flow.data.binder.

Class ValueContext

  • All Implemented Interfaces:

    Serializable

    public class ValueContext
extends Object
implements Serializable

    Value context for Converters. Contains relevant information for converting values.

    Since:

    1.0.

    Author:

    Vaadin Ltd

    See Also:

    Serialized Form

    • Constructor Detail

      • ValueContext

        public ValueContext()

        Constructor for ValueContext without a Locale.

      • ValueContext

        public ValueContext​(Locale locale)

        Constructor for ValueContext without a Component.

        Parameters:

        locale - The locale used with conversion. Can be null.

      • ValueContext

        public ValueContext​(Component component)

        Constructor for ValueContext.

        Parameters:

        component - The component related to current value. Can be null. If the component implements HasValue, it will be returned by getHasValue() as well.

      • ValueContext

        public ValueContext​(Component component,
                    HasValue<?,​?> hasValue)

        Constructor for ValueContext.

        Parameters:

        component - The component related to current value. Can be null.

        hasValue - The value source related to current value. Can be null.

      • ValueContext

        public ValueContext​(Component component,
                    HasValue<?,​?> hasValue,
                    Locale locale)

        Constructor for ValueContext.

        Parameters:

        component - The component can be null.

        locale - The locale used with conversion. Can be null.

        hasValue - The value source related to current value. Can be null.

    • Method Detail

      • getComponent

        public Optional<Component> getComponent()

        Returns an Optional for the Component related to value conversion.

        Returns:

        the optional of component

      • getLocale

        public Optional<Locale> getLocale()

        Returns an Optional for the Locale used in the value conversion.

        Returns:

        the optional of locale

      • getHasValue

        public Optional<HasValue<?,​?>> getHasValue()

        Returns an Optional for the HasValue used in the value conversion. In certain complicated cases, ex. cross-field validation, HasValue might be not available.

        Returns:

        the optional of HasValue