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.nacos.core.distributed.raft;
  
  import com.alibaba.nacos.common.model.RestResult;
  import com.alibaba.nacos.common.model.RestResultUtils;
  import com.alibaba.nacos.core.distributed.raft.utils.JRaftConstants;
  import com.alibaba.nacos.core.distributed.raft.utils.JRaftOps;
  import com.alipay.sofa.jraft.CliService;
  import com.alipay.sofa.jraft.Node;
  
  import java.util.Map;
  import java.util.Objects;
  
  /**
   * JRaft operations interface.
   *
   * @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
   */
  @SuppressWarnings("PMD.ClassNamingShouldBeCamelRule")
  public class JRaftMaintainService {
      
      private final JRaftServer raftServer;
      
      public JRaftMaintainService(JRaftServer raftServer) {
          this.raftServer = raftServer;
      }
      
      public RestResult<String> execute(String[] args) {
          return RestResultUtils.failed("not support yet");
      }
      
      /**
       * Execute relevant commands.
       *
       * @param args {@link Map}
       * @return {@link RestResult}
       */
      public RestResult<String> execute(Map<String, String> args) {
          final CliService cliService = raftServer.getCliService();
          if (args.containsKey(JRaftConstants.GROUP_ID)) {
              final String groupId = args.get(JRaftConstants.GROUP_ID);
              final Node node = raftServer.findNodeByGroup(groupId);
              return single(cliService, groupId, node, args);
          }
          Map<String, JRaftServer.RaftGroupTuple> tupleMap = raftServer.getMultiRaftGroup();
          for (Map.Entry<String, JRaftServer.RaftGroupTuple> entry : tupleMap.entrySet()) {
              final String group = entry.getKey();
              final Node node = entry.getValue().getNode();
              RestResult<String> result = single(cliService, group, node, args);
              if (!result.ok()) {
                  return result;
              }
          }
          return RestResultUtils.success();
      }
      
      private RestResult<String> single(CliService cliService, String groupId, Node node, Map<String, String> args) {
          try {
              if (node == null) {
                  return RestResultUtils.failed("not this raft group : " + groupId);
              }
              final String command = args.get(JRaftConstants.COMMAND_NAME);
              JRaftOps ops = JRaftOps.sourceOf(command);
              if (Objects.isNull(ops)) {
                  return RestResultUtils.failed("Not support command : " + command);
              }
              return ops.execute(cliService, groupId, node, args);
          } catch (Throwable ex) {
              return RestResultUtils.failed(ex.getMessage());
          }
      }
      
  }
  