nl.vpro.jackson2

Class AfterUnmarshalDeserializer

java.lang.Object

com.fasterxml.jackson.databind.JsonDeserializer<T>

com.fasterxml.jackson.databind.deser.std.StdDeserializer<Object>

nl.vpro.jackson2.AfterUnmarshalDeserializer

All Implemented Interfaces:

com.fasterxml.jackson.databind.deser.ContextualDeserializer, com.fasterxml.jackson.databind.deser.NullValueProvider, Serializable

public class AfterUnmarshalDeserializer
extends com.fasterxml.jackson.databind.deser.std.StdDeserializer<Object>
implements com.fasterxml.jackson.databind.deser.ContextualDeserializer

This can be used on a class as a json deserializer, and then jaxb's 'afterUnmarshal' will also be supported. This is implemented by extending the class with an override for JsonDeserialize and than deserialize that (to avoid infinite recursion), and then call the first one that exists of:

1. afterUnmarshal(DeserializationContext ctxt, Object parent) Jackson specific
2. afterUnmarshal(Object parent) We can't provide a Unmarshaller any way
3. afterUnmarshal(Unmarshaller unmarshaller, Object parent) This would be called by jaxb. We would too, but will have to supply null for the Unmarshaller.

So, in cases that deserialization context is needed you may need to implement 'afterUnmarshal' seperately for jaxb and jackson. If not then you can implement the version without the concerning parameter (but for jaxb you'd still have to delegate its version to that). E.g.

 {@code

Since:

2.16

Author:

Michiel Meeuwissen

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.fasterxml.jackson.databind.JsonDeserializer

com.fasterxml.jackson.databind.JsonDeserializer.None

Field Summary

Fields inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer

_valueClass, _valueType, F_MASK_ACCEPT_ARRAYS, F_MASK_INT_COERCIONS

Constructor Summary

Constructors

Modifier	Constructor and Description
	AfterUnmarshalDeserializer()
protected	AfterUnmarshalDeserializer(com.fasterxml.jackson.databind.JavaType clazz)

Method Summary

Modifier and Type	Method and Description
AfterUnmarshalDeserializer	createContextual(com.fasterxml.jackson.databind.DeserializationContext ctxt, com.fasterxml.jackson.databind.BeanProperty property)
Object	deserialize(com.fasterxml.jackson.core.JsonParser p, com.fasterxml.jackson.databind.DeserializationContext ctxt)
protected Object	deserializeObject(com.fasterxml.jackson.core.JsonParser p, com.fasterxml.jackson.databind.DeserializationContext ctxt)
static Class<?>	extension(Class<?> valueClass) extends the class (using javassist) to disable the current json deserialize class
static Object	getParent(com.fasterxml.jackson.core.JsonParser p) Given the current JsonParser determins the parent object.
static void	invokeAfterUnmarshal(com.fasterxml.jackson.databind.DeserializationContext cxt, Object obj, Object parent) If parent determined, and object created, call the afterUnmarshal method.

Methods inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer

_byteOverflow, _coercedTypeDesc, _coerceEmptyString, _coerceIntegral, _coerceNullToken, _coerceTextualNull, _deserializeFromArray, _deserializeFromEmpty, _deserializeWrappedValue, _failDoubleToIntCoercion, _findNullProvider, _hasTextualNull, _intOverflow, _isEmptyOrTextualNull, _isIntNumber, _isNaN, _isNegInf, _isPosInf, _neitherNull, _nonNullNumber, _parseBooleanFromInt, _parseBooleanPrimitive, _parseBytePrimitive, _parseDate, _parseDate, _parseDateFromArray, _parseDoublePrimitive, _parseDoublePrimitive, _parseFloatPrimitive, _parseFloatPrimitive, _parseIntPrimitive, _parseIntPrimitive, _parseLongPrimitive, _parseLongPrimitive, _parseShortPrimitive, _parseString, _reportFailedNullCoerce, _shortOverflow, _verifyEndArrayForSingle, _verifyNullForPrimitive, _verifyNullForPrimitiveCoercion, _verifyNullForScalarCoercion, _verifyNumberForScalarCoercion, _verifyStringForScalarCoercion, deserializeWithType, findContentNullProvider, findContentNullStyle, findConvertingContentDeserializer, findDeserializer, findFormatFeature, findFormatOverrides, findValueNullProvider, getValueClass, getValueType, getValueType, handledType, handleMissingEndArrayForSingle, handleUnknownProperty, isDefaultDeserializer, isDefaultKeyDeserializer, parseDouble

Methods inherited from class com.fasterxml.jackson.databind.JsonDeserializer

deserialize, deserializeWithType, findBackReference, getDelegatee, getEmptyAccessPattern, getEmptyValue, getEmptyValue, getKnownPropertyNames, getNullAccessPattern, getNullValue, getNullValue, getObjectIdReader, isCachable, replaceDelegatee, supportsUpdate, unwrappingDeserializer

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AfterUnmarshalDeserializer

public AfterUnmarshalDeserializer()

AfterUnmarshalDeserializer

protected AfterUnmarshalDeserializer(com.fasterxml.jackson.databind.JavaType clazz)

Method Detail

deserialize

public Object deserialize(com.fasterxml.jackson.core.JsonParser p,
                          com.fasterxml.jackson.databind.DeserializationContext ctxt)
                   throws IOException,
                          com.fasterxml.jackson.core.JsonProcessingException

Specified by:

deserialize in class com.fasterxml.jackson.databind.JsonDeserializer<Object>

Throws:

IOException

com.fasterxml.jackson.core.JsonProcessingException

deserializeObject

protected Object deserializeObject(com.fasterxml.jackson.core.JsonParser p,
                                   com.fasterxml.jackson.databind.DeserializationContext ctxt)
                            throws IOException

Throws:

IOException

getParent

public static Object getParent(com.fasterxml.jackson.core.JsonParser p)

Given the current JsonParser determins the parent object.

invokeAfterUnmarshal

public static void invokeAfterUnmarshal(com.fasterxml.jackson.databind.DeserializationContext cxt,
                                        Object obj,
                                        Object parent)
                                 throws com.fasterxml.jackson.core.JsonProcessingException

If parent determined, and object created, call the afterUnmarshal method.

Throws:

NoSuchMethodException - If no afterUnmarshal method could be found

com.fasterxml.jackson.core.JsonProcessingException - If exception coming for calling this method

extension

public static Class<?> extension(Class<?> valueClass)

extends the class (using javassist) to disable the current json deserialize class

createContextual

public AfterUnmarshalDeserializer createContextual(com.fasterxml.jackson.databind.DeserializationContext ctxt,
                                                   com.fasterxml.jackson.databind.BeanProperty property)

Specified by:

createContextual in interface com.fasterxml.jackson.databind.deser.ContextualDeserializer