Java tutorial
/* * This file Copyright (c) 2016. Walle. * (http://www.wallellen.com). All rights reserved. * * * This file is dual-licensed under both the * Walle Agreement (WA) and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or WA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Walle Agreement (WA), this file * and the accompanying materials are made available under the * terms of the WA which accompanies this distribution, and * is available at http://www.wallellen.com/agreement.html * * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER */ package com.wallellen.wechat.mp.util.json; import com.google.gson.JsonArray; import com.google.gson.JsonDeserializationContext; import com.google.gson.JsonDeserializer; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParseException; import com.google.gson.JsonSerializationContext; import com.google.gson.JsonSerializer; import com.wallellen.wechat.mp.bean.WxMpMaterialNews; import java.lang.reflect.Type; public class WxMpMaterialNewsGsonAdapter implements JsonSerializer<WxMpMaterialNews>, JsonDeserializer<WxMpMaterialNews> { public JsonElement serialize(WxMpMaterialNews wxMpMaterialNews, Type typeOfSrc, JsonSerializationContext context) { JsonObject newsJson = new JsonObject(); JsonArray articleJsonArray = new JsonArray(); for (WxMpMaterialNews.WxMpMaterialNewsArticle article : wxMpMaterialNews.getArticles()) { JsonObject articleJson = WxMpGsonBuilder.create() .toJsonTree(article, WxMpMaterialNews.WxMpMaterialNewsArticle.class).getAsJsonObject(); articleJsonArray.add(articleJson); } newsJson.add("articles", articleJsonArray); return newsJson; } public WxMpMaterialNews deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException { WxMpMaterialNews wxMpMaterialNews = new WxMpMaterialNews(); JsonObject json = jsonElement.getAsJsonObject(); if (json.get("news_item") != null && !json.get("news_item").isJsonNull()) { JsonArray articles = json.getAsJsonArray("news_item"); for (JsonElement article1 : articles) { JsonObject articleInfo = article1.getAsJsonObject(); WxMpMaterialNews.WxMpMaterialNewsArticle article = WxMpGsonBuilder.create().fromJson(articleInfo, WxMpMaterialNews.WxMpMaterialNewsArticle.class); wxMpMaterialNews.addArticle(article); } } return wxMpMaterialNews; } }