public interface ContextualKeyDeserializer
KeyDeserializers can implement to get a callback that can be used to create contextual instances of key deserializer to use for handling Map keys of supported type. This can be useful for key deserializers that can be configured by annotations, or should otherwise have differing behavior depending on what kind of Map property keys are being deserialized.
KeyDeserializer createContextual(DeserializationContext ctxt, BeanProperty property) throws JsonMappingException
ctxt- Deserialization context to access configuration, additional deserializers that may be needed by this deserializer
property- Method, field or constructor parameter that declared Map for which contextual instance will be used. Will not be available when deserializing root-level Map value; otherwise should not be null.
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