Examples with TypeAdapter com.google.gson.TypeAdapter used on opensource projects

Example 6 with TypeAdapter

use of com.google.gson.TypeAdapter in project lastaflute by lastaflute.

the class LaYourCollectionTypeAdapterFactory method create.

@Override
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    final Type type = typeToken.getType();
    final Class<? super T> rawType = typeToken.getRawType();
    if (!yourType.isAssignableFrom(rawType)) {
        return null;
    }
    final Type elementType = LaGsonTypes.getYourCollectionElementType(type, rawType, yourType);
    final TypeAdapter<?> elementTypeAdapter = gson.getAdapter(TypeToken.get(elementType));
    // create() doesn't define a type parameter
    @SuppressWarnings({ "unchecked", "rawtypes" }) final TypeAdapter<T> result = new Adapter(gson, elementType, elementTypeAdapter);
    return result;
}

Example 7 with TypeAdapter

use of com.google.gson.TypeAdapter in project maple-ir by LLVM-but-worse.

the class CollectionTypeAdapterFactory method create.

public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    Type type = typeToken.getType();
    Class<? super T> rawType = typeToken.getRawType();
    if (!Collection.class.isAssignableFrom(rawType)) {
        return null;
    }
    Type elementType = $Gson$Types.getCollectionElementType(type, rawType);
    TypeAdapter<?> elementTypeAdapter = gson.getAdapter(TypeToken.get(elementType));
    ObjectConstructor<T> constructor = constructorConstructor.get(typeToken);
    // create() doesn't define a type parameter
    @SuppressWarnings({ "unchecked", "rawtypes" }) TypeAdapter<T> result = new Adapter(gson, elementType, elementTypeAdapter, constructor);
    return result;
}

Example 8 with TypeAdapter

use of com.google.gson.TypeAdapter in project maple-ir by LLVM-but-worse.

the class MapTypeAdapterFactory method create.

public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    Type type = typeToken.getType();
    Class<? super T> rawType = typeToken.getRawType();
    if (!Map.class.isAssignableFrom(rawType)) {
        return null;
    }
    Class<?> rawTypeOfSrc = $Gson$Types.getRawType(type);
    Type[] keyAndValueTypes = $Gson$Types.getMapKeyAndValueTypes(type, rawTypeOfSrc);
    TypeAdapter<?> keyAdapter = getKeyAdapter(gson, keyAndValueTypes[0]);
    TypeAdapter<?> valueAdapter = gson.getAdapter(TypeToken.get(keyAndValueTypes[1]));
    ObjectConstructor<T> constructor = constructorConstructor.get(typeToken);
    @SuppressWarnings({ "unchecked", "rawtypes" }) TypeAdapter<T> // we don't define a type parameter for the key or value types
    result = new Adapter(gson, keyAndValueTypes[0], keyAdapter, keyAndValueTypes[1], valueAdapter, constructor);
    return result;
}

Example 9 with TypeAdapter

use of com.google.gson.TypeAdapter in project maple-ir by LLVM-but-worse.

the class ReflectiveTypeAdapterFactory method createBoundField.

private ReflectiveTypeAdapterFactory.BoundField createBoundField(final Gson context, final Field field, final String name, final TypeToken<?> fieldType, boolean serialize, boolean deserialize) {
    final boolean isPrimitive = Primitives.isPrimitive(fieldType.getRawType());
    // special casing primitives here saves ~5% on Android...
    return new ReflectiveTypeAdapterFactory.BoundField(name, serialize, deserialize) {

        final TypeAdapter<?> typeAdapter = getFieldAdapter(context, field, fieldType);

        // the type adapter and field type always agree
        @SuppressWarnings({ "unchecked", "rawtypes" })
        @Override
        void write(JsonWriter writer, Object value) throws IOException, IllegalAccessException {
            Object fieldValue = field.get(value);
            TypeAdapter t = new TypeAdapterRuntimeTypeWrapper(context, this.typeAdapter, fieldType.getType());
            t.write(writer, fieldValue);
        }

        @Override
        void read(JsonReader reader, Object value) throws IOException, IllegalAccessException {
            Object fieldValue = typeAdapter.read(reader);
            if (fieldValue != null || !isPrimitive) {
                field.set(value, fieldValue);
            }
        }

        public boolean writeField(Object value) throws IOException, IllegalAccessException {
            if (!serialized)
                return false;
            Object fieldValue = field.get(value);
            // avoid recursion for example for Throwable.cause
            return fieldValue != value;
        }
    };
}

Example 10 with TypeAdapter

use of com.google.gson.TypeAdapter in project maple-ir by LLVM-but-worse.

the class TypeAdapterRuntimeTypeWrapper method write.

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public void write(JsonWriter out, T value) throws IOException {
    // Order of preference for choosing type adapters
    // First preference: a type adapter registered for the runtime type
    // Second preference: a type adapter registered for the declared type
    // Third preference: reflective type adapter for the runtime type (if it is a sub class of the declared type)
    // Fourth preference: reflective type adapter for the declared type
    TypeAdapter chosen = delegate;
    Type runtimeType = getRuntimeTypeIfMoreSpecific(type, value);
    if (runtimeType != type) {
        TypeAdapter runtimeTypeAdapter = context.getAdapter(TypeToken.get(runtimeType));
        if (!(runtimeTypeAdapter instanceof ReflectiveTypeAdapterFactory.Adapter)) {
            // The user registered a type adapter for the runtime type, so we will use that
            chosen = runtimeTypeAdapter;
        } else if (!(delegate instanceof ReflectiveTypeAdapterFactory.Adapter)) {
            // The user registered a type adapter for Base class, so we prefer it over the
            // reflective type adapter for the runtime type
            chosen = delegate;
        } else {
            // Use the type adapter for runtime type
            chosen = runtimeTypeAdapter;
        }
    }
    chosen.write(out, value);
}