Java tutorial
/* * Licensed to Prodevelop SL under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The Prodevelop SL licenses this file * to you 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. * * For more information, contact: * * Prodevelop, S.L. * Pza. Don Juan de Villarrasa, 14 - 5 * 46001 Valencia * Spain * * +34 963 510 612 * +34 963 510 968 * prode@prodevelop.es * http://www.prodevelop.es * * @author Alberto Romeu Carrasco aromeu@prodevelop.es */ package es.alrocar.poiproxy.fiware.poidp.schema; import java.util.Date; import java.util.LinkedHashMap; import java.util.Map; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import es.alrocar.poiproxy.fiware.poidp.schema.utils.DateTypeAdapter; import es.alrocar.poiproxy.fiware.poidp.schema.utils.Source; import es.alrocar.poiproxy.fiware.poidp.schema.utils.UpdateStamp; public class POISet { private Gson gson = null; private Map<String, POI> pois = new LinkedHashMap<String, POI>(); public String asJSON() { return gson().toJson(pois); } protected Gson gson() { if (gson == null) { GsonBuilder lObjJson = new GsonBuilder(); lObjJson.setDateFormat("yyyy/MM/dd HH:mm:ss"); lObjJson.registerTypeAdapter(Date.class, new DateTypeAdapter()); lObjJson.setPrettyPrinting(); gson = lObjJson.create(); } return gson; } public void put(String poiID, POI poi) { this.pois.put(poiID, poi); } public Map<String, POI> getPOIs() { return pois; } }