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.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonSerializationContext; import com.google.gson.JsonSerializer; import com.wallellen.wechat.common.api.WxConsts; import com.wallellen.wechat.mp.bean.WxMpCustomMessage; import java.lang.reflect.Type; public class WxMpCustomMessageGsonAdapter implements JsonSerializer<WxMpCustomMessage> { public JsonElement serialize(WxMpCustomMessage message, Type typeOfSrc, JsonSerializationContext context) { JsonObject messageJson = new JsonObject(); messageJson.addProperty("touser", message.getToUser()); messageJson.addProperty("msgtype", message.getMsgType()); JsonObject obj = new JsonObject(); if (WxConsts.CUSTOM_MSG_TEXT.equals(message.getMsgType())) { obj.addProperty("content", message.getContent()); messageJson.add("text", obj); } else if (WxConsts.CUSTOM_MSG_IMAGE.equals(message.getMsgType())) { obj.addProperty("media_id", message.getMediaId()); messageJson.add("image", obj); } else if (WxConsts.CUSTOM_MSG_VOICE.equals(message.getMsgType())) { obj.addProperty("media_id", message.getMediaId()); messageJson.add("voice", obj); } else if (WxConsts.CUSTOM_MSG_VIDEO.equals(message.getMsgType())) { obj.addProperty("media_id", message.getMediaId()); obj.addProperty("thumb_media_id", message.getThumbMediaId()); obj.addProperty("title", message.getTitle()); obj.addProperty("description", message.getDescription()); messageJson.add("video", obj); } else if (WxConsts.CUSTOM_MSG_MUSIC.equals(message.getMsgType())) { obj.addProperty("title", message.getTitle()); obj.addProperty("description", message.getDescription()); obj.addProperty("thumb_media_id", message.getThumbMediaId()); obj.addProperty("musicurl", message.getMusicUrl()); obj.addProperty("hqmusicurl", message.getHqMusicUrl()); messageJson.add("music", obj); } else if (WxConsts.CUSTOM_MSG_NEWS.equals(message.getMsgType())) { JsonArray articleJsonArray = new JsonArray(); for (WxMpCustomMessage.WxArticle article : message.getArticles()) { JsonObject articleJson = new JsonObject(); articleJson.addProperty("title", article.getTitle()); articleJson.addProperty("description", article.getDescription()); articleJson.addProperty("url", article.getUrl()); articleJson.addProperty("picurl", article.getPicUrl()); articleJsonArray.add(articleJson); } obj.add("articles", articleJsonArray); messageJson.add("news", obj); } else { throw new RuntimeException("Invalid message type: " + message.getMsgType()); } return messageJson; } }