Java tutorial
/* * Copyright (C) 2017 Jeff Gilfelt. * * 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 com.readystatesoftware.chuck.internal.support; import com.google.gson.FieldNamingPolicy; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.gson.internal.bind.DateTypeAdapter; import java.util.Date; public class JsonConvertor { private static Gson gson = null; private JsonConvertor() { } public static Gson getInstance() { if (gson == null) { gson = new GsonBuilder().setPrettyPrinting() .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES) .registerTypeAdapter(Date.class, new DateTypeAdapter()).create(); } return gson; } }