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java.lang.Objectorg.codehaus.jackson.map.deser.BeanDeserializerModifier
public abstract class BeanDeserializerModifier
Abstract class that defines API for objects that can be registered (for BeanDeserializerFactory
to participate in constructing BeanDeserializer
instances.
This is typically done by modules that want alter some aspects of deserialization
process; and is preferable to sub-classing of BeanDeserializerFactory
.
Sequence in which callback methods are called is as follows:
Default method implementations are "no-op"s, meaning that methods are implemented but have no effect.
Constructor Summary | |
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BeanDeserializerModifier()
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Method Summary | |
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JsonDeserializer<?> |
modifyDeserializer(DeserializationConfig config,
BasicBeanDescription beanDesc,
JsonDeserializer<?> deserializer)
Method called by BeanDeserializerFactory after constructing default
bean deserializer instance with properties collected and ordered earlier. |
BeanDeserializerBuilder |
updateBuilder(DeserializationConfig config,
BasicBeanDescription beanDesc,
BeanDeserializerBuilder builder)
Method called by BeanDeserializerFactory when it has collected
basic information such as tentative list of properties to deserializer. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public BeanDeserializerModifier()
Method Detail |
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public BeanDeserializerBuilder updateBuilder(DeserializationConfig config, BasicBeanDescription beanDesc, BeanDeserializerBuilder builder)
BeanDeserializerFactory
when it has collected
basic information such as tentative list of properties to deserializer.
Implementations may choose to modify state of builder (to affect deserializer being
built), or even completely replace it (if they want to build different kind of
deserializer). Typically changes mostly concern set of properties to deserialize.
public JsonDeserializer<?> modifyDeserializer(DeserializationConfig config, BasicBeanDescription beanDesc, JsonDeserializer<?> deserializer)
BeanDeserializerFactory
after constructing default
bean deserializer instance with properties collected and ordered earlier.
Implementations can modify or replace given deserializer and return deserializer
to use. Note that although initial deserializer being passed is of type
BeanDeserializer
, modifiers may return deserializers of other types;
and this is why implementations must check for type before casting.
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