code: /*
   * 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 org.apache.skywalking.oap.server.cluster.plugin.zookeeper;
  
  import com.google.gson.Gson;
  import com.google.gson.reflect.TypeToken;
  import java.nio.charset.StandardCharsets;
  import org.apache.curator.x.discovery.ServiceInstance;
  import org.apache.curator.x.discovery.details.InstanceSerializer;
  import org.apache.skywalking.oap.server.core.cluster.RemoteInstance;
  
  public class SWInstanceSerializer implements InstanceSerializer<RemoteInstance> {
  
      private final Gson gson = new Gson();
  
      @Override
      public byte[] serialize(ServiceInstance<RemoteInstance> instance) throws Exception {
          return gson.toJson(instance).getBytes(StandardCharsets.UTF_8);
      }
  
      @Override
      public ServiceInstance<RemoteInstance> deserialize(byte[] bytes) throws Exception {
          return gson.fromJson(new String(bytes), new TypeToken<ServiceInstance<RemoteInstance>>() {
          }.getType());
      }
  }
  