package com.fasterxml.jackson.databind.jsontype.impl;
import java.io.IOException;
import com.fasterxml.jackson.annotation.JsonTypeInfo.As;
import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.jsontype.TypeIdResolver;
/**
* Type serializer that will embed type information in an array,
* as the first element, and actual value as the second element.
*
* @author tatu
*/
public class AsArrayTypeSerializer
extends TypeSerializerBase
{
public AsArrayTypeSerializer(TypeIdResolver idRes, BeanProperty property)
{
super(idRes, property);
}
@Override
public AsArrayTypeSerializer forProperty(BeanProperty prop) {
if (_property == prop) return this;
return new AsArrayTypeSerializer(this._idResolver, prop);
}
@Override
public As getTypeInclusion() { return As.WRAPPER_ARRAY; }
/*
/**********************************************************
/* Writing prefixes
/**********************************************************
*/
@Override
public void writeTypePrefixForObject(Object value, JsonGenerator jgen)
throws IOException, JsonProcessingException
{
jgen.writeStartArray();
jgen.writeString(idFromValue(value));
jgen.writeStartObject();
}
@Override
public void writeTypePrefixForObject(Object value, JsonGenerator jgen,
Class<?> type)
throws IOException, JsonProcessingException
{
jgen.writeStartArray();
jgen.writeString(idFromValueAndType(value, type));
jgen.writeStartObject();
}
@Override
public void writeTypePrefixForArray(Object value, JsonGenerator jgen)
throws IOException, JsonProcessingException
{
jgen.writeStartArray();
jgen.writeString(idFromValue(value));
jgen.writeStartArray();
}
@Override
public void writeTypePrefixForArray(Object value, JsonGenerator jgen,
Class<?> type)
throws IOException, JsonProcessingException
{
jgen.writeStartArray();
jgen.writeString(idFromValueAndType(value, type));
jgen.writeStartArray();
}
@Override
public void writeTypePrefixForScalar(Object value, JsonGenerator jgen)
throws IOException, JsonProcessingException
{
// only need the wrapper array
jgen.writeStartArray();
jgen.writeString(idFromValue(value));
}
@Override
public void writeTypePrefixForScalar(Object value, JsonGenerator jgen,
Class<?> type)
throws IOException, JsonProcessingException
{
// only need the wrapper array
jgen.writeStartArray();
jgen.writeString(idFromValueAndType(value, type));
}
/*
/**********************************************************
/* Writing suffixes
/**********************************************************
*/
@Override
public void writeTypeSuffixForObject(Object value, JsonGenerator jgen)
throws IOException, JsonProcessingException
{
jgen.writeEndObject();
jgen.writeEndArray();
}
@Override
public void writeTypeSuffixForArray(Object value, JsonGenerator jgen)
throws IOException, JsonProcessingException
{
// wrapper array first, and then array caller needs to close
jgen.writeEndArray();
jgen.writeEndArray();
}
@Override
public void writeTypeSuffixForScalar(Object value, JsonGenerator jgen)
throws IOException, JsonProcessingException
{
// just the wrapper array to close
jgen.writeEndArray();
}
/*
/**********************************************************
/* Writing with custom type id
/**********************************************************
*/
@Override
public void writeCustomTypePrefixForObject(Object value, JsonGenerator jgen, String typeId)
throws IOException, JsonProcessingException {
jgen.writeStartArray();
jgen.writeString(typeId);
jgen.writeStartObject();
}
@Override
public void writeCustomTypePrefixForArray(Object value, JsonGenerator jgen, String typeId)
throws IOException, JsonProcessingException
{
jgen.writeStartArray();
jgen.writeString(typeId);
jgen.writeStartArray();
}
@Override
public void writeCustomTypePrefixForScalar(Object value, JsonGenerator jgen, String typeId)
throws IOException, JsonProcessingException
{
jgen.writeStartArray();
jgen.writeString(typeId);
}
@Override
public void writeCustomTypeSuffixForObject(Object value, JsonGenerator jgen, String typeId)
throws IOException, JsonProcessingException {
writeTypeSuffixForObject(value, jgen); // standard impl works fine
}
@Override
public void writeCustomTypeSuffixForArray(Object value, JsonGenerator jgen, String typeId)
throws IOException, JsonProcessingException {
writeTypeSuffixForArray(value, jgen); // standard impl works fine
}
@Override
public void writeCustomTypeSuffixForScalar(Object value, JsonGenerator jgen, String typeId)
throws IOException, JsonProcessingException {
writeTypeSuffixForScalar(value, jgen); // standard impl works fine
}
}