package com.csc.library.factory; import com.csc.library.gson.SerializeAndDeserializeBase; import com.csc.library.properties.CscDevice; import com.csc.library.properties.DeviceProperties; import com.csc.library.request.RequestPropertiesImpl; import com.csc.library.request.RequestWebsocket; import com.google.gson.Gson; import com.google.gson.GsonBuilder; public class PropertiesFactory { private static PropertiesFactory instance; private Gson gson = null; private PropertiesFactory(){ if(gson == null){ GsonBuilder gb = new GsonBuilder(); gson = gb.serializeNulls().create(); } } public static PropertiesFactory getInstance(){ if( instance == null ){ instance = new PropertiesFactory(); } return instance; } public CscDevice createDevice(String json){ return gson.fromJson(json, DeviceProperties.class); } public String toJson(Object obj){ return gson.toJson(obj); } }