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Contents
package sh.calaba.org.codehaus.jackson.map;
/**
* Add-on interface that {@link JsonDeserializer}s can implement to get a callback
* that can be used to create contextual instances of deserializer to use for
* handling properties of supported type. This can be useful
* for deserializers that can be configured by annotations, or should otherwise
* have differing behavior depending on what kind of property is being deserialized.
*
* @param <T> Type of deserializer to contextualize
*
* @since 1.7
*/
public interface ContextualDeserializer<T>
{
/**
* Method called to see if a different (or differently configured) deserializer
* is needed to deserialize values of specified property.
* Note that instance that this method is called on is typically shared one and
* as a result method should <b>NOT</b> modify this instance but rather construct
* and return a new instance. This instance should only be returned as-is, in case
* it is already suitable for use.
*
* @param config Current deserialization configuration
* @param property Method, field or constructor parameter that represents the property
* (and is used to assign deserialized value).
* Should be available; but there may be cases where caller can not provide it and
* null is passed instead (in which case impls usually pass 'this' deserializer as is)
*
* @return Deserializer to use for deserializing values of specified property;
* may be this instance or a new instance.
*
* @throws JsonMappingException
*/
public JsonDeserializer<T> createContextual(DeserializationConfig config,
BeanProperty property)
throws JsonMappingException;
}
Version data entries
164 entries across 164 versions & 2 rubygems