json serializable

package ch.digitalmeat.bot.data.game;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.utils.Json;
import com.badlogic.gdx.utils.Json.Serializable;
import com.badlogic.gdx.utils.JsonValue;


public class Station implements Serializable {
   public String key;
   public String name;
   public StationType type;

   public ResourceLevels levels = new ResourceLevels();

   @Override
   public void write(Json json) {
      json.writeValue("key", key);
      json.writeValue("name", name);
      json.writeValue("type", type);
      json.writeValue("levels", levels);
   }

   @Override
   public void read(Json json, JsonValue data) {
      key = data.getString("key");
      name = data.getString("type");
      type = json.readValue("type", StationType.class, data);
      levels = json.readValue("levels", ResourceLevels.class, data);
   }

   public static Station read(String file) {
      Json json = new Json();
      return json.fromJson(Station.class, Gdx.files.internal(file));
   }

   public static void save(Station station, String file) {
      Json json = new Json();
      json.toJson(station, Gdx.files.local(file));
   }
}