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.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.log.RecordLog;
  import com.alibaba.csp.sentinel.Constants;
  
  /**
   * @author youji.zj
   */
  @CommandMapping(name = "setSwitch", desc = "set sentinel switch, accept param: value={true|false}")
  public class OnOffSetCommandHandler implements CommandHandler<String> {
  
      @Override
      public CommandResponse<String> handle(CommandRequest request) {
          String value = request.getParam("value");
  
          try {
              Constants.ON = Boolean.valueOf(value);
          } catch (Exception e) {
              RecordLog.info("Bad value when setting global switch", e);
          }
  
          String info = "Sentinel set switch value: " + value;
          RecordLog.info(info);
  
          return CommandResponse.ofSuccess(info);
      }
  }
  