Quat4fTypeAdapter.java

/*
 * Copyright 2013 MovingBlocks
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.terasology.utilities.gson;

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.terasology.math.geom.Quat4f;

import java.lang.reflect.Type;

/**
 */
public class Quat4fTypeAdapter implements JsonDeserializer<Quat4f> {

    @Override
    public Quat4f deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
        if (json.isJsonArray()) {
            JsonArray array = json.getAsJsonArray();
            if (array.size() == 4) {
                return new Quat4f(array.get(0).getAsFloat(), array.get(1).getAsFloat(), array.get(2).getAsFloat(), array.get(3).getAsFloat());
            }
        }
        return null;
    }
}