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.slots.block.authority.AuthorityRuleManager;
  import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
  import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
  import com.alibaba.csp.sentinel.slots.system.SystemRuleManager;
  import com.alibaba.fastjson.JSON;
  
  /**
   * @author jialiang.linjl
   */
  @CommandMapping(name = "getRules", desc = "get all active rules by type, request param: type={ruleType}")
  public class FetchActiveRuleCommandHandler implements CommandHandler<String> {
  
      @Override
      public CommandResponse<String> handle(CommandRequest request) {
          String type = request.getParam("type");
          if ("flow".equalsIgnoreCase(type)) {
              return CommandResponse.ofSuccess(JSON.toJSONString(FlowRuleManager.getRules()));
          } else if ("degrade".equalsIgnoreCase(type)) {
              return CommandResponse.ofSuccess(JSON.toJSONString(DegradeRuleManager.getRules()));
          } else if ("authority".equalsIgnoreCase(type)) {
              return CommandResponse.ofSuccess(JSON.toJSONString(AuthorityRuleManager.getRules()));
          } else if ("system".equalsIgnoreCase(type)) {
              return CommandResponse.ofSuccess(JSON.toJSONString(SystemRuleManager.getRules()));
          } else {
              return CommandResponse.ofFailure(new IllegalArgumentException("invalid type"));
          }
      }
  
  }
  