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.adapter.gateway.zuul.fallback;
  
  import com.alibaba.csp.sentinel.slots.block.BlockException;
  
  /**
   * Default Fallback provider for sentinel {@link BlockException}, {@literal *} meant for all routes.
   *
   * @author tiger
   */
  public class DefaultBlockFallbackProvider implements ZuulBlockFallbackProvider {
  
      @Override
      public String getRoute() {
          return "*";
      }
  
      @Override
      public BlockResponse fallbackResponse(String route, Throwable cause) {
          if (cause instanceof BlockException) {
              return new BlockResponse(429, "Sentinel block exception", route);
          } else {
              return new BlockResponse(500, "System Error", route);
          }
      }
  }
  