praktikum-holons/src/holeg/serialize/GsonCollection.java

package holeg.serialize;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import holeg.model.*;

public class GsonCollection {
    public static final Gson Gson = initGson();

    private static Gson initGson() {
        GsonBuilder builder = new GsonBuilder();
        builder.registerTypeAdapter(Edge.class, new EdgeSerializer());
        builder.registerTypeAdapter(Model.class, new ModelDeserializer());
        builder.registerTypeAdapterFactory(new PostDeserializeEnabler());

        builder.serializeNulls();
        builder.setPrettyPrinting();
        return builder.create();
    }
}