Package com.google.gson.internal.bind

Class JsonAdapterAnnotationTypeAdapterFactory

java.lang.Object

com.google.gson.internal.bind.JsonAdapterAnnotationTypeAdapterFactory

All Implemented Interfaces:

TypeAdapterFactory

public final class JsonAdapterAnnotationTypeAdapterFactory
extends java.lang.Object
implements TypeAdapterFactory

Given a type T, looks for the annotation JsonAdapter and uses an instance of the specified class as the default type adapter.

Since:

2.3

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	JsonAdapterAnnotationTypeAdapterFactory.DummyTypeAdapterFactory

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.concurrent.ConcurrentMap<java.lang.Class<?>,TypeAdapterFactory>	adapterFactoryMap	For a class, if it is annotated with @JsonAdapter and refers to a TypeAdapterFactory, stores the factory instance in case it has been requested already.
private ConstructorConstructor	constructorConstructor
private static TypeAdapterFactory	TREE_TYPE_CLASS_DUMMY_FACTORY	Factory used for TreeTypeAdapters created for @JsonAdapter on a class.
private static TypeAdapterFactory	TREE_TYPE_FIELD_DUMMY_FACTORY	Factory used for TreeTypeAdapters created for @JsonAdapter on a field.

Constructor Summary

Constructors

Constructor	Description
JsonAdapterAnnotationTypeAdapterFactory(ConstructorConstructor constructorConstructor)

Method Summary

Modifier and Type	Method	Description
<T> TypeAdapter<T>	create(Gson gson, TypeToken<T> targetType)	Returns a type adapter for type, or null if this factory doesn't support type.
private static java.lang.Object	createAdapter(ConstructorConstructor constructorConstructor, java.lang.Class<?> adapterClass)
private static JsonAdapter	getAnnotation(java.lang.Class<?> rawType)
(package private) TypeAdapter<?>	getTypeAdapter(ConstructorConstructor constructorConstructor, Gson gson, TypeToken<?> type, JsonAdapter annotation, boolean isClassAnnotation)
boolean	isClassJsonAdapterFactory(TypeToken<?> type, TypeAdapterFactory factory)	Returns whether factory is a type adapter factory created for @JsonAdapter placed on type.
private TypeAdapterFactory	putFactoryAndGetCurrent(java.lang.Class<?> rawType, TypeAdapterFactory factory)

Methods inherited from class java.lang.Object

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

Field Detail

TREE_TYPE_CLASS_DUMMY_FACTORY

private static final TypeAdapterFactory TREE_TYPE_CLASS_DUMMY_FACTORY

Factory used for TreeTypeAdapters created for @JsonAdapter on a class.

TREE_TYPE_FIELD_DUMMY_FACTORY

private static final TypeAdapterFactory TREE_TYPE_FIELD_DUMMY_FACTORY

Factory used for TreeTypeAdapters created for @JsonAdapter on a field.

constructorConstructor

private final ConstructorConstructor constructorConstructor

adapterFactoryMap

private final java.util.concurrent.ConcurrentMap<java.lang.Class<?>,TypeAdapterFactory> adapterFactoryMap

For a class, if it is annotated with @JsonAdapter and refers to a TypeAdapterFactory, stores the factory instance in case it has been requested already. Has to be a ConcurrentMap because Gson guarantees to be thread-safe.

Constructor Detail

JsonAdapterAnnotationTypeAdapterFactory

public JsonAdapterAnnotationTypeAdapterFactory(ConstructorConstructor constructorConstructor)

Method Detail

getAnnotation

private static JsonAdapter getAnnotation(java.lang.Class<?> rawType)

create

public <T> TypeAdapter<T> create(Gson gson,
                                 TypeToken<T> targetType)

Description copied from interface: TypeAdapterFactory

Returns a type adapter for type, or null if this factory doesn't support type.

Specified by:

create in interface TypeAdapterFactory

createAdapter

private static java.lang.Object createAdapter(ConstructorConstructor constructorConstructor,
                                              java.lang.Class<?> adapterClass)

putFactoryAndGetCurrent

private TypeAdapterFactory putFactoryAndGetCurrent(java.lang.Class<?> rawType,
                                                   TypeAdapterFactory factory)

getTypeAdapter

TypeAdapter<?> getTypeAdapter(ConstructorConstructor constructorConstructor,
                              Gson gson,
                              TypeToken<?> type,
                              JsonAdapter annotation,
                              boolean isClassAnnotation)

isClassJsonAdapterFactory

public boolean isClassJsonAdapterFactory(TypeToken<?> type,
                                         TypeAdapterFactory factory)

Returns whether factory is a type adapter factory created for @JsonAdapter placed on type.