Vector3dDeserializer.java

/*
 * This file is part of ElementalArrows, licensed under the MIT License (MIT).
 *
 * Copyright (c) LanternPowered <https://github.com/Cybermaxke/ElementalArrows>
 * 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.elementalarrows.parser.gson;

import com.flowpowered.math.vector.Vector3d;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import org.lanternpowered.elementalarrows.parser.Field;

import java.lang.reflect.Type;

public class Vector3dDeserializer implements JsonDeserializer<Vector3d> {

    @Override
    public Vector3d deserialize(JsonElement element, Type type, JsonDeserializationContext ctx) throws JsonParseException {
        if (element.isJsonArray()) {
            final JsonArray array = element.getAsJsonArray();
            return new Vector3d(
                    array.get(0).getAsDouble(),
                    array.get(1).getAsDouble(),
                    array.get(2).getAsDouble());
        }
        final Helper helper = ctx.deserialize(element, Helper.class);
        return new Vector3d(helper.x, helper.y, helper.z);
    }

    private static class Helper {

        @Field("x")
        private double x;

        @Field("y")
        private double y;

        @Field("z")
        private double z;
    }
}