/*
* This file is part of LanternServer, licensed under the MIT License (MIT).
*
* Copyright (c) LanternPowered <https://www.lanternpowered.org>
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the Software), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.lanternpowered.server.data.io.store.data;
import com.google.common.reflect.TypeToken;
import org.lanternpowered.server.data.io.store.ObjectStore;
import org.lanternpowered.server.data.io.store.SimpleValueContainer;
import org.lanternpowered.server.data.manipulator.immutable.IImmutableDataManipulator;
import org.lanternpowered.server.data.manipulator.mutable.IDataManipulator;
import org.lanternpowered.server.data.persistence.DataTypeSerializer;
import org.lanternpowered.server.data.persistence.DataTypeSerializerContext;
import org.lanternpowered.server.data.value.AbstractValueContainer;
import org.lanternpowered.server.data.value.ElementHolder;
import org.lanternpowered.server.data.value.KeyRegistration;
import org.lanternpowered.server.game.Lantern;
import org.lanternpowered.server.game.registry.type.data.KeyRegistryModule;
import org.spongepowered.api.data.DataQuery;
import org.spongepowered.api.data.DataView;
import org.spongepowered.api.data.key.Key;
import org.spongepowered.api.data.manipulator.DataManipulator;
import org.spongepowered.api.data.value.ValueContainer;
import org.spongepowered.api.data.value.mutable.CompositeValueStore;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
public class CompositeValueContainerStore<T extends S, S extends CompositeValueStore<S, H>, H extends ValueContainer<?>> implements ObjectStore<T> {
private static final DataQuery VALUES = DataQuery.of("Values");
@SuppressWarnings("unchecked")
@Override
public void deserialize(T object, DataView dataView) {
if (object instanceof AbstractValueContainer) {
final AbstractValueContainer<S, H> valueContainer = (AbstractValueContainer) object;
final SimpleValueContainer simpleValueContainer = new SimpleValueContainer(new HashMap<>());
deserializeValues(object, simpleValueContainer, dataView);
final Optional<DataView> optDataView = dataView.getView(VALUES);
if (optDataView.isPresent()) {
final DataTypeSerializerContext context = Lantern.getGame().getDataManager().getTypeSerializerContext();
final DataView valuesView = optDataView.get();
for (Map.Entry<DataQuery, Object> entry : valuesView.getValues(false).entrySet()) {
final Key key = KeyRegistryModule.get().getById(entry.getKey().toString()).orElse(null);
if (key == null) {
Lantern.getLogger().warn("Unable to deserialize the data value with key: {} because it doesn't exist.",
entry.getKey().toString());
} else {
final TypeToken<?> typeToken = key.getElementToken();
final DataTypeSerializer dataTypeSerializer = Lantern.getGame().getDataManager().getTypeSerializer(typeToken).orElse(null);
if (dataTypeSerializer == null) {
Lantern.getLogger().warn("Unable to deserialize the data key value: {}, "
+ "no supported deserializer exists.", key.getId());
} else {
if (simpleValueContainer.get(key).isPresent()) {
Lantern.getLogger().warn("Duplicate usage of the key: {}", key.getId());
} else {
simpleValueContainer.set(key, dataTypeSerializer.deserialize(typeToken, context, entry.getValue()));
}
}
}
}
}
for (Map.Entry<Key<?>, Object> entry : simpleValueContainer.getValues().entrySet()) {
final ElementHolder elementHolder = valueContainer.getElementHolder((Key) entry.getKey());
if (elementHolder != null) {
elementHolder.set(entry.getValue());
} else {
Lantern.getLogger().warn("Attempted to offer a unsupported value with key \"{}\" to the object {}",
entry.getKey().toString(), object.toString());
}
}
final Map<Class<?>, H> additionalManipulators = valueContainer.getRawAdditionalContainers();
if (additionalManipulators != null) {
deserializeAdditionalData(object, new ArrayList<>(additionalManipulators.values()), dataView);
}
} else {
// Not sure what to do
}
}
@SuppressWarnings("unchecked")
@Override
public void serialize(T object, DataView dataView) {
if (object instanceof AbstractValueContainer) {
final AbstractValueContainer<S, H> valueContainer = (AbstractValueContainer) object;
final SimpleValueContainer simpleValueContainer = new SimpleValueContainer(new HashMap<>());
for (Map.Entry<Key<?>, KeyRegistration> entry : valueContainer.getRawValueMap().entrySet()) {
final Object value = entry.getValue();
if (value instanceof ElementHolder) {
final Object element = ((ElementHolder) value).get();
if (element != null) {
simpleValueContainer.set((Key) entry.getKey(), element);
}
}
}
// Serialize the values, all written values will be removed from
// the simple value container
serializeValues(object, simpleValueContainer, dataView);
// Write the rest to the Values tag
final Map<Key<?>, Object> values = simpleValueContainer.getValues();
if (!values.isEmpty()) {
final DataView valuesView = dataView.createView(VALUES);
final DataTypeSerializerContext context = Lantern.getGame().getDataManager().getTypeSerializerContext();
for (Map.Entry<Key<?>, Object> entry : values.entrySet()) {
final TypeToken<?> typeToken = entry.getKey().getElementToken();
final DataTypeSerializer dataTypeSerializer = Lantern.getGame().getDataManager().getTypeSerializer(typeToken).orElse(null);
if (dataTypeSerializer == null) {
Lantern.getLogger().warn("Unable to serialize the data key value: " + entry.getKey());
} else {
valuesView.set(DataQuery.of(entry.getKey().getId()),
dataTypeSerializer.serialize(typeToken, context, entry.getValue()));
}
}
if (valuesView.isEmpty()) {
dataView.remove(VALUES);
}
}
final Map<Class<?>, H> additionalContainers = valueContainer.getRawAdditionalContainers();
if (additionalContainers != null) {
final List<H> dataManipulators = new ArrayList<>();
serializeAdditionalData(object, dataManipulators, dataView);
for (H additionalContainer : dataManipulators) {
if (additionalContainer instanceof IDataManipulator) {
additionalContainers.put(((IDataManipulator) additionalContainer).getMutableType(), additionalContainer);
} else if (additionalContainer instanceof IImmutableDataManipulator) {
additionalContainers.put(((IImmutableDataManipulator) additionalContainer).getImmutableType(), additionalContainer);
} else {
additionalContainers.put(additionalContainer.getClass(), additionalContainer);
}
}
}
} else {
// Not sure what to do
}
}
/**
* Serializes all the {@link DataManipulator}s and puts
* them into the {@link DataView}.
*
* @param manipulators The data manipulators
* @param dataView The data view
*/
public void serializeAdditionalData(T object, List<H> manipulators, DataView dataView) {
}
/**
* Deserializes all the {@link ValueContainer<H>}s from the {@link DataView}
* and puts them into the {@link List}.
*
* @param valueContainers The value containers
* @param dataView The data view
*/
public void deserializeAdditionalData(T object, List<H> valueContainers, DataView dataView) {
}
/**
* Serializes all the values of the {@link SimpleValueContainer} and puts
* them into the {@link DataView}.
*
* @param valueContainer The value container
* @param dataView The data view
*/
public void serializeValues(T object, SimpleValueContainer valueContainer, DataView dataView) {
}
/**
* Deserializers all the values from the {@link DataView}
* into the {@link SimpleValueContainer}.
*
* @param valueContainer The value container
* @param dataView The data view
*/
public void deserializeValues(T object, SimpleValueContainer valueContainer, DataView dataView) {
}
}