52 lines
2.3 KiB
Java
52 lines
2.3 KiB
Java
package fr.pandacube.lib.paper.json;
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import com.google.gson.JsonDeserializationContext;
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import com.google.gson.JsonDeserializer;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonParseException;
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import com.google.gson.JsonSerializationContext;
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import com.google.gson.JsonSerializer;
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import com.google.gson.TypeAdapterFactory;
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import com.google.gson.internal.bind.TreeTypeAdapter;
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import com.google.gson.reflect.TypeToken;
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import org.bukkit.Bukkit;
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import org.bukkit.inventory.ItemStack;
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import java.lang.reflect.Type;
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import java.util.Map;
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/* package */ class ItemStackAdapter implements JsonSerializer<ItemStack>, JsonDeserializer<ItemStack> {
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private static final TypeToken<ItemStack> ITEMSTACK_TYPE = TypeToken.get(ItemStack.class);
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public static final TypeAdapterFactory FACTORY = TreeTypeAdapter.newFactoryWithMatchRawType(ITEMSTACK_TYPE, new ItemStackAdapter());
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private static final TypeToken<Map<String, Object>> MAP_STR_OBJ_TYPE = new TypeToken<>() { };
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@Override
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public ItemStack deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
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Map<String, Object> deserializedMap = context.deserialize(json, MAP_STR_OBJ_TYPE.getType());
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int itemStackVersion = deserializedMap.containsKey("v") ? ((Number)deserializedMap.get("v")).intValue() : -1;
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if (itemStackVersion >= 0) {
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@SuppressWarnings("deprecation")
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int currentDataVersion = Bukkit.getUnsafe().getDataVersion();
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if (itemStackVersion > currentDataVersion) {
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/* The itemStack we are deserializing is from a newer MC version, so Bukkit will refuse it.
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* We decide to ignore the provided version and consider that the received item stack is from current
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* version. We let Bukkit handles the deserialization with the data it can interpret, throwing an error
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* only if it can't.
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*/
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deserializedMap.put("v", currentDataVersion);
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return ItemStack.deserialize(deserializedMap);
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}
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}
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return ItemStack.deserialize(deserializedMap);
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}
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@Override
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public JsonElement serialize(ItemStack src, Type typeOfSrc, JsonSerializationContext context) {
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return context.serialize(src.serialize(), MAP_STR_OBJ_TYPE.getType());
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}
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}
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