Java tutorial
/** * Copyright (c) 2015 TerraFrame, Inc. All rights reserved. * * This file is part of Runway SDK(tm). * * Runway SDK(tm) is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * Runway SDK(tm) 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Runway SDK(tm). If not, see <http://www.gnu.org/licenses/>. */ package net.geoprism.sidebar; import java.io.File; import java.util.ArrayList; import org.apache.commons.io.FileUtils; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import com.runwaysdk.configuration.ConfigurationManager; public class JSONMenuProvider { public ArrayList<MenuItem> getMenu() { try { String json = FileUtils.readFileToString(new File(ConfigurationManager .getResource(ConfigurationManager.ConfigGroup.ROOT, "geoprism/sidebar.txt").getPath())); return this.toMenu(new JSONArray(json)); } catch (Exception e) { throw new RuntimeException(e); } } public ArrayList<MenuItem> toMenu(JSONArray array) throws JSONException { ArrayList<MenuItem> menu = new ArrayList<MenuItem>(); for (int i = 0; i < array.length(); ++i) { JSONObject item = array.getJSONObject(i); String uri = null; if (item.has("uri")) { uri = item.getString("uri"); } MenuItem parent = new MenuItem(item.getString("name"), uri, null); menu.add(parent); if (item.has("children")) { JSONArray children = item.getJSONArray("children"); parent.addChildren(this.toMenu(children)); } } return menu; } }