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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
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  package org.apache.hc.client5.http.examples;
  
  import java.net.URL;
  
  import org.apache.hc.client5.http.classic.methods.HttpGet;
  import org.apache.hc.client5.http.cookie.StandardCookieSpec;
  import org.apache.hc.client5.http.cookie.CookieSpecFactory;
  import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
  import org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
  import org.apache.hc.client5.http.impl.classic.HttpClients;
  import org.apache.hc.client5.http.impl.cookie.RFC6265CookieSpecFactory;
  import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManagerBuilder;
  import org.apache.hc.client5.http.io.HttpClientConnectionManager;
  import org.apache.hc.client5.http.psl.PublicSuffixMatcher;
  import org.apache.hc.client5.http.psl.PublicSuffixMatcherLoader;
  import org.apache.hc.client5.http.ssl.DefaultHostnameVerifier;
  import org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory;
  import org.apache.hc.core5.http.config.Lookup;
  import org.apache.hc.core5.http.config.RegistryBuilder;
  import org.apache.hc.core5.http.io.entity.EntityUtils;
  import org.apache.hc.core5.ssl.SSLContexts;
  
  /**
   * This example demonstrates how to use a custom public suffix list.
   */
  public class ClientCustomPublicSuffixList {
  
      public static void main(final String[] args) throws Exception {
  
          // Use PublicSuffixMatcherLoader to load public suffix list from a file,
          // resource or from an arbitrary URL
          final PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.load(
                  new URL("https://publicsuffix.org/list/effective_tld_names.dat"));
  
          // Please use the publicsuffix.org URL to download the list no more than once per day !!!
          // Please consider making a local copy !!!
  
          final RFC6265CookieSpecFactory cookieSpecFactory = new RFC6265CookieSpecFactory(publicSuffixMatcher);
          final Lookup<CookieSpecFactory> cookieSpecRegistry = RegistryBuilder.<CookieSpecFactory>create()
                  .register(StandardCookieSpec.RELAXED, cookieSpecFactory)
                  .register(StandardCookieSpec.STRICT, cookieSpecFactory)
                  .build();
          final SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                  SSLContexts.createDefault(),
                  new DefaultHostnameVerifier(publicSuffixMatcher));
          final HttpClientConnectionManager cm = PoolingHttpClientConnectionManagerBuilder.create()
                  .setSSLSocketFactory(sslsf)
                  .build();
          try (final CloseableHttpClient httpclient = HttpClients.custom()
                  .setConnectionManager(cm)
                  .setDefaultCookieSpecRegistry(cookieSpecRegistry)
                  .build()) {
  
              final HttpGet httpget = new HttpGet("https://httpbin.org/get");
  
              System.out.println("Executing request " + httpget.getMethod() + " " + httpget.getUri());
  
              try (final CloseableHttpResponse response = httpclient.execute(httpget)) {
                  System.out.println("----------------------------------------");
                  System.out.println(response.getCode() + " " + response.getReasonPhrase());
                  System.out.println(EntityUtils.toString(response.getEntity()));
              }
          }
      }
  
  }