JSONizable is a Java interface which uses Gson to serialize Java objects to JSON and viceversa

JSONizable.java

package com.softinstigate.util;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

/**
 *
 * @author mturatti
 */
public interface JSONizable {

    default String toJson(boolean prettyPrinting) {
        Gson gson = prettyPrinting
                ? new GsonBuilder().setPrettyPrinting().create()
                : new GsonBuilder().create();

        return gson.toJson(this);
    }
    
    static <T> T fromJson(String json, Class<T> T) {
        Gson gson = new Gson();
        T object = gson.fromJson(json, T);
        return object;
    }

}