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Package javax.validation.valueextraction

Package containing objects dedicated to extract values to validate from containers.

Interface Summary

Modifier and Type	Interface and Description
public interface	Unwrapping Set of interfaces used in the `payload()` of a constraint to indicate if a value should be unwrapped before validation.
public interface	ValueExtractor< the container type handled by a specific implementation T> Defines the logic used to extract the values from a container object of type `T`.

Annotation Summary

Modifier and Type	Annotation and Description
public @interface	ExtractedValue Marks the type parameter of a generic container type to which a `ValueExtractor` is tied or specifies the type of the wrapped element(s) of non-generic container types.
public @interface	UnwrapByDefault Marks a `ValueExtractor` definition so that it is applied automatically when detecting constraints declared on the container type supported by the extractor, causing the constraints to be applied to the container's elements instead of the container.

Class Summary

Modifier and Type	Class and Description
public class	ValueExtractorDeclarationException Raised if the configuration of `ValueExtractor` is illegal, e.g. because multiple extractors for the same type and type use have been configured in `META-INF/validation.xml`.
public class	ValueExtractorDefinitionException Raised if a `ValueExtractor` definition is illegal, e.g. because it doesn't declare its extracted value using `ExtractedValue`.