content: //
  // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF 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.
  //
  
  package com.cloud.serializer;
  
  import java.util.List;
  
  import com.cloud.hypervisor.Hypervisor;
  import org.apache.cloudstack.transport.HypervisorTypeAdaptor;
  import org.apache.logging.log4j.Logger;
  import org.apache.logging.log4j.LogManager;
  
  import com.google.gson.Gson;
  import com.google.gson.GsonBuilder;
  import com.google.gson.reflect.TypeToken;
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.Command;
  import com.cloud.agent.api.SecStorageFirewallCfgCommand.PortConfig;
  import com.cloud.agent.api.to.DataStoreTO;
  import com.cloud.agent.api.to.DataTO;
  import com.cloud.agent.transport.ArrayTypeAdaptor;
  import com.cloud.agent.transport.InterfaceTypeAdaptor;
  import com.cloud.agent.transport.LoggingExclusionStrategy;
  import com.cloud.agent.transport.Request.NwGroupsCommandTypeAdaptor;
  import com.cloud.agent.transport.Request.PortConfigListTypeAdaptor;
  import com.cloud.agent.transport.StoragePoolTypeAdaptor;
  import com.cloud.storage.Storage;
  import com.cloud.utils.Pair;
  
  public class GsonHelper {
      protected static Logger LOGGER = LogManager.getLogger(GsonHelper.class);
  
      protected static final Gson s_gson;
      protected static final Gson s_gogger;
  
      static {
          GsonBuilder gsonBuilder = new GsonBuilder();
          s_gson = setDefaultGsonConfig(gsonBuilder);
          GsonBuilder LOGGERBuilder = new GsonBuilder();
          LOGGERBuilder.disableHtmlEscaping();
          LOGGERBuilder.setExclusionStrategies(new LoggingExclusionStrategy(LOGGER));
          LOGGERBuilder.serializeSpecialFloatingPointValues();
          // maybe add LOGGERBuilder.serializeNulls(); as well?
          s_gogger = setDefaultGsonConfig(LOGGERBuilder);
          LOGGER.info("Default Builder inited.");
      }
  
      public static Gson setDefaultGsonConfig(GsonBuilder builder) {
          builder.setVersion(1.5);
          InterfaceTypeAdaptor<DataStoreTO> dsAdaptor = new InterfaceTypeAdaptor<DataStoreTO>();
          builder.registerTypeAdapter(DataStoreTO.class, dsAdaptor);
          InterfaceTypeAdaptor<DataTO> dtAdaptor = new InterfaceTypeAdaptor<DataTO>();
          builder.registerTypeAdapter(DataTO.class, dtAdaptor);
          ArrayTypeAdaptor<Command> cmdAdaptor = new ArrayTypeAdaptor<Command>();
          builder.registerTypeAdapter(Command[].class, cmdAdaptor);
          ArrayTypeAdaptor<Answer> ansAdaptor = new ArrayTypeAdaptor<Answer>();
          builder.registerTypeAdapter(Answer[].class, ansAdaptor);
          builder.registerTypeAdapter(new TypeToken<List<PortConfig>>() {
          }.getType(), new PortConfigListTypeAdaptor());
          builder.registerTypeAdapter(new TypeToken<Pair<Long, Long>>() {
          }.getType(), new NwGroupsCommandTypeAdaptor());
          builder.registerTypeAdapter(Storage.StoragePoolType.class, new StoragePoolTypeAdaptor());
          builder.registerTypeAdapter(Hypervisor.HypervisorType.class, new HypervisorTypeAdaptor());
          Gson gson = builder.create();
          dsAdaptor.initGson(gson);
          dtAdaptor.initGson(gson);
          cmdAdaptor.initGson(gson);
          ansAdaptor.initGson(gson);
          return gson;
      }
  
      public final static Gson getGson() {
          return s_gson;
      }
  
      public final static Gson getGsonLogger() {
          return s_gogger;
      }
  
      public final static Logger getLogger() {
          return LOGGER;
      }
  }
  