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    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
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  package org.apache.hc.core5.testing.classic;
  
  import java.io.IOException;
  
  import org.apache.hc.core5.http.ClassicHttpResponse;
  import org.apache.hc.core5.http.HeaderElements;
  import org.apache.hc.core5.http.HttpException;
  import org.apache.hc.core5.http.HttpHeaders;
  import org.apache.hc.core5.http.URIScheme;
  import org.apache.hc.core5.http.impl.bootstrap.HttpRequester;
  import org.apache.hc.core5.http.impl.bootstrap.HttpServer;
  import org.apache.hc.core5.http.impl.bootstrap.StandardFilter;
  import org.apache.hc.core5.http.io.HttpFilterChain;
  import org.apache.hc.core5.http.io.SocketConfig;
  import org.apache.hc.core5.testing.classic.extension.HttpRequesterResource;
  import org.apache.hc.core5.testing.classic.extension.HttpServerResource;
  import org.apache.hc.core5.testing.extension.SocksProxyResource;
  import org.apache.hc.core5.util.Timeout;
  import org.junit.jupiter.api.Order;
  import org.junit.jupiter.api.extension.RegisterExtension;
  
  public abstract class ClassicHttp1SocksProxyCoreTransportTest extends ClassicHttpCoreTransportTest {
  
      private static final Timeout TIMEOUT = Timeout.ofMinutes(1);
  
      @RegisterExtension
      @Order(-Integer.MAX_VALUE)
      private final SocksProxyResource proxyResource;
      @RegisterExtension
      private final HttpServerResource serverResource;
      @RegisterExtension
      private final HttpRequesterResource clientResource;
  
      public ClassicHttp1SocksProxyCoreTransportTest(final URIScheme scheme) {
          super(scheme);
          this.proxyResource = new SocksProxyResource();
          this.serverResource = new HttpServerResource(scheme, bootstrap -> bootstrap
                  .setSocketConfig(SocketConfig.custom()
                          .setSoTimeout(TIMEOUT)
                          .build())
                  .register("*", new EchoHandler())
                  .addFilterBefore(StandardFilter.MAIN_HANDLER.name(), "no-keep-alive", (request, responseTrigger, context, chain) ->
                          chain.proceed(request, new HttpFilterChain.ResponseTrigger() {
  
                              @Override
                              public void sendInformation(
                                      final ClassicHttpResponse response) throws HttpException, IOException {
                                  responseTrigger.sendInformation(response);
                              }
  
                              @Override
                              public void submitResponse(
                                      final ClassicHttpResponse response) throws HttpException, IOException {
                                  if (request.getPath().startsWith("/no-keep-alive")) {
                                      response.setHeader(HttpHeaders.CONNECTION, HeaderElements.CLOSE);
                                  }
                                  responseTrigger.submitResponse(response);
                              }
  
                          }, context)));
          this.clientResource = new HttpRequesterResource(bootstrap -> bootstrap
                  .setSocketConfig(SocketConfig.custom()
                          .setSocksProxyAddress(proxyResource.proxy().getProxyAddress())
                          .setSoTimeout(TIMEOUT)
                          .build()));
      }
  
      @Override
      HttpServer serverStart() throws IOException {
          return serverResource.start();
      }
  
     @Override
     HttpRequester clientStart() throws IOException {
         return clientResource.start();
     }
 
 }