content: /*
   * Copyright 1999-2019 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
   *
   *      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 com.alibaba.csp.sentinel.adapter.gateway.sc.callback;
  
  import java.net.URI;
  
  import com.alibaba.csp.sentinel.util.AssertUtil;
  
  import org.springframework.web.reactive.function.server.ServerResponse;
  import org.springframework.web.server.ServerWebExchange;
  import reactor.core.publisher.Mono;
  
  /**
   * @author Eric Zhao
   * @since 1.6.0
   */
  public class RedirectBlockRequestHandler implements BlockRequestHandler {
  
      private final URI uri;
  
      public RedirectBlockRequestHandler(String url) {
          AssertUtil.assertNotBlank(url, "url cannot be blank");
          this.uri = URI.create(url);
      }
  
      @Override
      public Mono<ServerResponse> handleRequest(ServerWebExchange exchange, Throwable t) {
          return ServerResponse.temporaryRedirect(uri).build();
      }
  }
  