1 package com.fasterxml.jackson.databind.deser; 2 3 import com.fasterxml.jackson.databind.*; 4 5 /** 6 * Interface that defines API for simple extensions that can provide additional deserializers 7 * for deserializer Map keys of various types, from JSON property names. 8 * Access is by a single callback method; instance is to either return 9 * a configured {@link KeyDeserializer} for specified type, or null to indicate that it 10 * does not support handling of the type. In latter case, further calls can be made 11 * for other providers; in former case returned key deserializer is used for handling of 12 * key instances of specified type. 13 */ 14 public interface KeyDeserializers 15 { findKeyDeserializer(JavaType type, DeserializationConfig config, BeanDescription beanDesc)16 public KeyDeserializer findKeyDeserializer(JavaType type, DeserializationConfig config, BeanDescription beanDesc) throws JsonMappingException; 17 } 18