com.alibaba.fastjson.parser.deserializer

Class OptionalCodec

java.lang.Object

com.alibaba.fastjson.parser.deserializer.OptionalCodec

All Implemented Interfaces:

ObjectDeserializer, ObjectSerializer

public class OptionalCodec
extends Object
implements ObjectSerializer, ObjectDeserializer

Field Summary

Fields

Modifier and Type	Field and Description
static OptionalCodec	instance

Constructor Summary

Constructors

Constructor and Description
OptionalCodec()

Method Summary

Modifier and Type	Method and Description
<T> T	deserialze(DefaultJSONParser parser, Type type, Object fieldName) fastjson invokes this call-back method during deserialization when it encounters a field of the specified type.
int	getFastMatchToken()
void	write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType, int features) fastjson invokes this call-back method during serialization when it encounters a field of the specified type.

Methods inherited from class java.lang.Object

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

Field Detail

instance

public static OptionalCodec instance

Constructor Detail

OptionalCodec

public OptionalCodec()

Method Detail

deserialze

public <T> T deserialze(DefaultJSONParser parser,
                        Type type,
                        Object fieldName)

Description copied from interface: ObjectDeserializer

fastjson invokes this call-back method during deserialization when it encounters a field of the specified type.

In the implementation of this call-back method, you should consider invoking JSON.parseObject(String, Type, Feature[]) method to create objects for any non-trivial field of the returned object.

Specified by:

deserialze in interface ObjectDeserializer

Parameters:

parser - context DefaultJSONParser being deserialized

type - The type of the Object to deserialize to

fieldName - parent object field name

Returns:

a deserialized object of the specified type which is a subclass of T

getFastMatchToken

public int getFastMatchToken()

Specified by:

getFastMatchToken in interface ObjectDeserializer

write

public void write(JSONSerializer serializer,
                  Object object,
                  Object fieldName,
                  Type fieldType,
                  int features)
           throws IOException

Description copied from interface: ObjectSerializer

fastjson invokes this call-back method during serialization when it encounters a field of the specified type.

Specified by:

write in interface ObjectSerializer

object - src the object that needs to be converted to Json.

fieldName - parent object field name

fieldType - parent object field type

features - parent object field serializer features

Throws:

IOException