content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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.alibaba.csp.sentinel.command.handler;
  
  import com.alibaba.csp.sentinel.cluster.client.ClientConstants;
  import com.alibaba.csp.sentinel.cluster.client.TokenClientProvider;
  import com.alibaba.csp.sentinel.cluster.client.config.ClusterClientConfigManager;
  import com.alibaba.csp.sentinel.command.CommandHandler;
  import com.alibaba.csp.sentinel.command.CommandRequest;
  import com.alibaba.csp.sentinel.command.CommandResponse;
  import com.alibaba.csp.sentinel.command.annotation.CommandMapping;
  import com.alibaba.csp.sentinel.command.entity.ClusterClientStateEntity;
  import com.alibaba.fastjson.JSON;
  
  /**
   * @author Eric Zhao
   * @since 1.4.0
   */
  @CommandMapping(name = "cluster/client/fetchConfig", desc = "get cluster client config")
  public class FetchClusterClientConfigHandler implements CommandHandler<String> {
  
      @Override
      public CommandResponse<String> handle(CommandRequest request) {
          ClusterClientStateEntity stateVO = new ClusterClientStateEntity()
              .setServerHost(ClusterClientConfigManager.getServerHost())
              .setServerPort(ClusterClientConfigManager.getServerPort())
              .setRequestTimeout(ClusterClientConfigManager.getRequestTimeout());
          if (TokenClientProvider.isClientSpiAvailable()) {
              stateVO.setClientState(TokenClientProvider.getClient().getState());
          } else {
              stateVO.setClientState(ClientConstants.CLIENT_STATUS_OFF);
          }
          return CommandResponse.ofSuccess(JSON.toJSONString(stateVO));
      }
  }
  
  