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
   *
   *    https://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.bigtop.manager.server.command.validator;
  
  import org.apache.bigtop.manager.common.constants.ComponentCategories;
  import org.apache.bigtop.manager.common.enums.Command;
  import org.apache.bigtop.manager.server.command.CommandIdentifier;
  import org.apache.bigtop.manager.server.enums.ApiExceptionEnum;
  import org.apache.bigtop.manager.server.enums.CommandLevel;
  import org.apache.bigtop.manager.server.exception.ApiException;
  import org.apache.bigtop.manager.server.model.dto.ComponentDTO;
  import org.apache.bigtop.manager.server.model.dto.command.ComponentCommandDTO;
  import org.apache.bigtop.manager.server.utils.StackUtils;
  
  import org.springframework.stereotype.Component;
  
  import java.util.List;
  import java.util.Objects;
  
  @Component
  public class ComponentOpValidator implements CommandValidator {
  
      @Override
      public List<CommandIdentifier> getCommandIdentifiers() {
          return List.of(
                  new CommandIdentifier(CommandLevel.COMPONENT, Command.START),
                  new CommandIdentifier(CommandLevel.COMPONENT, Command.STOP),
                  new CommandIdentifier(CommandLevel.COMPONENT, Command.RESTART));
      }
  
      @Override
      public void validate(ValidatorContext context) {
          boolean allClient = true;
          List<ComponentCommandDTO> componentCommands = context.getCommandDTO().getComponentCommands();
          for (ComponentCommandDTO componentCommandDTO : componentCommands) {
              String componentName = componentCommandDTO.getComponentName();
              ComponentDTO componentDTO = StackUtils.getComponentDTO(componentName);
              if (!Objects.equals(componentDTO.getCategory(), ComponentCategories.CLIENT)) {
                  allClient = false;
              }
          }
  
          if (allClient) {
              throw new ApiException(ApiExceptionEnum.COMPONENT_HAS_NO_SUCH_OP);
          }
      }
  }
  