Java tutorial
/* * Copyright (C) 2017 davis * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package app; import java.io.PrintWriter; import java.util.ArrayList; import org.json.simple.JSONArray; import org.json.simple.JSONObject; /** * @author davis */ public class NotificationJSONizer { public static void jsonize(ArrayList<backend.Notification> notis, PrintWriter out) { JSONArray a = new JSONArray(); notis.stream().forEach((noti) -> { JSONObject o = noti.jsonize(); o.put("type", noti.get_type().toString()); a.add(o); }); out.print(a.toString()); } }