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.constants;
  
  import com.netflix.zuul.ZuulFilter;
  
  /**
   * @author tiger
   */
  public class ZuulConstant {
  
      /**
       * Zuul {@link com.netflix.zuul.context.RequestContext} key for use in load balancer.
       */
      public static final String SERVICE_ID_KEY = "serviceId";
      /**
       * Zuul {@link com.netflix.zuul.context.RequestContext} key for proxying (route ID).
       */
      public static final String PROXY_ID_KEY = "proxy";
  
      /**
       * {@link ZuulFilter#filterType()} error type.
       */
      public static final String ERROR_TYPE = "error";
  
      /**
       * {@link ZuulFilter#filterType()} post type.
       */
      public static final String POST_TYPE = "post";
  
      /**
       * {@link ZuulFilter#filterType()} pre type.
       */
      public static final String PRE_TYPE = "pre";
  
      /**
       * {@link ZuulFilter#filterType()} route type.
       */
      public static final String ROUTE_TYPE = "route";
  
      /**
       * Filter Order for SEND_RESPONSE_FILTER_ORDER
       */
      public static final int SEND_RESPONSE_FILTER_ORDER = 1000;
  
      /**
       * Zuul use Sentinel as default context when serviceId is empty.
       */
      public static final String ZUUL_DEFAULT_CONTEXT = "zuul_default_context";
  
      /**
       * Zuul context key for keeping Sentinel entries.
       *
       * @since 1.6.0
       */
      public static final String ZUUL_CTX_SENTINEL_ENTRIES_KEY = "_sentinel_entries";
  
      private ZuulConstant(){}
  }
  