io.github.wysohn.gsoncopy.internal.bind

Class TreeTypeAdapter<T>

java.lang.Object

io.github.wysohn.gsoncopy.TypeAdapter<T>

io.github.wysohn.gsoncopy.internal.bind.TreeTypeAdapter<T>

public final class TreeTypeAdapter<T>
extends TypeAdapter<T>

Adapts a Gson 1.x tree-style adapter as a streaming TypeAdapter. Since the tree adapter may be serialization-only or deserialization-only, this class has a facility to lookup a delegate type adapter on demand.

Constructor Summary

Constructors

Constructor and Description
TreeTypeAdapter(JsonSerializer<T> serializer, JsonDeserializer<T> deserializer, Gson gson, TypeToken<T> typeToken, TypeAdapterFactory skipPast)

Method Summary

Modifier and Type	Method and Description
static TypeAdapterFactory	newFactory(TypeToken<?> exactType, Object typeAdapter) Returns a new factory that will match each type against exactType.
static TypeAdapterFactory	newFactoryWithMatchRawType(TypeToken<?> exactType, Object typeAdapter) Returns a new factory that will match each type and its raw type against exactType.
static TypeAdapterFactory	newTypeHierarchyFactory(Class<?> hierarchyType, Object typeAdapter) Returns a new factory that will match each type's raw type for assignability to hierarchyType.
T	read(JsonReader in) Reads one JSON value (an array, object, string, number, boolean or null) and converts it to a Java object.
void	write(JsonWriter out, T value) Writes one JSON value (an array, object, string, number, boolean or null) for value.

Methods inherited from class io.github.wysohn.gsoncopy.TypeAdapter

fromJson, fromJson, fromJsonTree, nullSafe, toJson, toJson, toJsonTree

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeTypeAdapter

public TreeTypeAdapter(JsonSerializer<T> serializer,
                       JsonDeserializer<T> deserializer,
                       Gson gson,
                       TypeToken<T> typeToken,
                       TypeAdapterFactory skipPast)

Method Detail

newFactory

public static TypeAdapterFactory newFactory(TypeToken<?> exactType,
                                            Object typeAdapter)

Returns a new factory that will match each type against exactType.

newFactoryWithMatchRawType

public static TypeAdapterFactory newFactoryWithMatchRawType(TypeToken<?> exactType,
                                                            Object typeAdapter)

Returns a new factory that will match each type and its raw type against exactType.

newTypeHierarchyFactory

public static TypeAdapterFactory newTypeHierarchyFactory(Class<?> hierarchyType,
                                                         Object typeAdapter)

Returns a new factory that will match each type's raw type for assignability to hierarchyType.

read

public T read(JsonReader in)
       throws IOException

Description copied from class: TypeAdapter

Reads one JSON value (an array, object, string, number, boolean or null) and converts it to a Java object. Returns the converted object.

Specified by:

read in class TypeAdapter<T>

Returns:

the converted Java object. May be null.

Throws:

IOException

write

public void write(JsonWriter out,
                  T value)
           throws IOException

Description copied from class: TypeAdapter

Writes one JSON value (an array, object, string, number, boolean or null) for value.

Specified by:

write in class TypeAdapter<T>

value - the Java object to write. May be null.

Throws:

IOException