content: /*
   * 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.
   */
  package org.apache.camel.component.http;
  
  import org.apache.hc.client5.http.auth.Credentials;
  import org.apache.hc.client5.http.auth.NTCredentials;
  import org.apache.hc.client5.http.auth.UsernamePasswordCredentials;
  import org.apache.hc.client5.http.impl.classic.HttpClientBuilder;
  import org.apache.hc.core5.http.HttpHost;
  
  /**
   * Strategy for configuring the HttpClient with a proxy
   */
  public class ProxyHttpClientConfigurer implements HttpClientConfigurer {
  
      private final String host;
      private final Integer port;
      private final String scheme;
      private final String username;
      private final char[] password;
      private final String domain;
      private final String ntHost;
      private final HttpCredentialsHelper credentialsHelper;
  
      public ProxyHttpClientConfigurer(String host, Integer port, String scheme) {
          this(host, port, scheme, null, null, null, null, null);
      }
  
      public ProxyHttpClientConfigurer(String host, Integer port, String scheme, String username, String password, String domain,
                                       String ntHost, HttpCredentialsHelper credentialsHelper) {
          this.host = host;
          this.port = port;
          this.scheme = scheme;
          this.username = username;
          this.password = password == null ? new char[0] : password.toCharArray();
          this.domain = domain;
          this.ntHost = ntHost;
          this.credentialsHelper = credentialsHelper;
      }
  
      @Override
      public void configureHttpClient(HttpClientBuilder clientBuilder) {
          clientBuilder.setProxy(new HttpHost(scheme, host, port));
  
          if (username != null && password != null) {
              Credentials defaultcreds;
              if (domain != null) {
                  defaultcreds = new NTCredentials(username, password, ntHost, domain);
              } else {
                  defaultcreds = new UsernamePasswordCredentials(username, password);
              }
              clientBuilder.setDefaultCredentialsProvider(credentialsHelper
                      .getCredentialsProvider(host, port, defaultcreds));
          }
      }
  
  }
  