1 /* 2 * Copyright (c) 2011-2024 PrimeFaces Extensions 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 * THE SOFTWARE. 21 */ 22 package org.primefaces.extensions.util.json; 23 24 import java.util.Date; 25 26 import com.google.gson.Gson; 27 import com.google.gson.GsonBuilder; 28 29 /** 30 * Singleton instance of Gson. 31 * 32 * @author Oleg Varaksin / last modified by $Author$ 33 * @version $Revision$ 34 * @since 0.2 35 */ 36 public final class GsonConverter { 37 38 private static final GsonConverter INSTANCE = new GsonConverter(); 39 private final Gson gson; 40 41 private GsonConverter() { 42 final GsonBuilder gsonBilder = new GsonBuilder(); 43 44 gsonBilder.registerTypeAdapter(Date.class, new DateTypeAdapter()); 45 gsonBilder.serializeNulls(); 46 47 gson = gsonBilder.create(); 48 } 49 50 public static Gson getGson() { 51 return INSTANCE.gson; 52 } 53 }