Package org.mongojack.internal

Class EmbeddedObjectSerializer<T>

java.lang.Object

com.fasterxml.jackson.databind.JsonSerializer<InputType>

org.mongojack.TransformingEmbeddedObjectSerializer<T,T>

org.mongojack.internal.EmbeddedObjectSerializer<T>

All Implemented Interfaces:

com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitable

Direct Known Subclasses:

CalendarSerializer, DateSerializer, ObjectIdSerializer

public abstract class EmbeddedObjectSerializer<T>
extends TransformingEmbeddedObjectSerializer<T,T>

Safe embedded object serializer.

When used with BsonObjectGenerator or DBEncoderBsonGenerator, passes values straight through.

When used with a TokenBuffer (as by BeanDeserializer.deserializeWithUnwrapped(com.fasterxml.jackson.core.JsonParser, com.fasterxml.jackson.databind.DeserializationContext)), temporarily clears the TokenBuffer codec before passing the value through, so it will be properly serialized as an embedded object. (Failure to do so would blow up the stack, as the TokenBuffer would pass the object right back to the ObjectMapper.)

When used with other JsonSerializers, throws IllegalArgumentException with a message that it's designed for use only with BsonObjectGenerator or DBEncoderBsonGenerator or TokenBuffer.

Since:

3.0.4

Author:

Kevin D. Keck

Nested Class Summary

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

com.fasterxml.jackson.databind.JsonSerializer.None

Field Summary

Fields inherited from class org.mongojack.TransformingEmbeddedObjectSerializer

writeNullAsNull

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EmbeddedObjectSerializer()
protected	EmbeddedObjectSerializer(boolean writeNullAsNull)

Method Summary

Modifier and Type	Method	Description
void	serialize(T value, com.fasterxml.jackson.core.JsonGenerator jgen, com.fasterxml.jackson.databind.SerializerProvider provider)
protected T	transform(T value)	Transform to the desired type.
protected void	writeEmbeddedObject(T value, com.fasterxml.jackson.core.JsonGenerator jgen)

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

acceptJsonFormatVisitor, getDelegatee, handledType, isEmpty, isEmpty, isUnwrappingSerializer, properties, replaceDelegatee, serializeWithType, unwrappingSerializer, usesObjectId, withFilterId

Methods inherited from class java.lang.Object

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

Constructor Detail

EmbeddedObjectSerializer

protected EmbeddedObjectSerializer()

EmbeddedObjectSerializer

protected EmbeddedObjectSerializer(boolean writeNullAsNull)

Method Detail

transform

protected T transform(T value)

Description copied from class: TransformingEmbeddedObjectSerializer

Transform to the desired type. Careful of nulls!

Specified by:

transform in class TransformingEmbeddedObjectSerializer<T,T>

Returns:

writeEmbeddedObject

protected void writeEmbeddedObject(T value,
                                   com.fasterxml.jackson.core.JsonGenerator jgen)
                            throws IOException

Overrides:

writeEmbeddedObject in class TransformingEmbeddedObjectSerializer<T,T>

Throws:

IOException

serialize

public void serialize(T value,
                      com.fasterxml.jackson.core.JsonGenerator jgen,
                      com.fasterxml.jackson.databind.SerializerProvider provider)
               throws IOException

Overrides:

serialize in class TransformingEmbeddedObjectSerializer<T,T>

Throws:

IOException