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 java.util.ArrayList;
  import java.util.List;
  
  import org.apache.camel.support.service.ServiceHelper;
  import org.apache.camel.support.service.ServiceSupport;
  import org.apache.hc.client5.http.impl.classic.HttpClientBuilder;
  
  public class CompositeHttpConfigurer extends ServiceSupport implements HttpClientConfigurer {
  
      private final List<HttpClientConfigurer> configurers = new ArrayList<>();
  
      public void addConfigurer(HttpClientConfigurer configurer) {
          if (configurer != null) {
              configurers.add(configurer);
          }
      }
  
      @Override
      public void configureHttpClient(HttpClientBuilder clientBuilder) {
          for (HttpClientConfigurer configurer : configurers) {
              configurer.configureHttpClient(clientBuilder);
          }
      }
  
      public static CompositeHttpConfigurer combineConfigurers(
              HttpClientConfigurer oldConfigurer, HttpClientConfigurer newConfigurer) {
          if (oldConfigurer instanceof CompositeHttpConfigurer compositeHttpConfigurer) {
              compositeHttpConfigurer.addConfigurer(newConfigurer);
              return compositeHttpConfigurer;
          } else {
              CompositeHttpConfigurer answer = new CompositeHttpConfigurer();
              answer.addConfigurer(newConfigurer);
              answer.addConfigurer(oldConfigurer);
              return answer;
          }
      }
  
      @Override
      protected void doStart() throws Exception {
          super.doStart();
          ServiceHelper.startService(configurers);
      }
  
      @Override
      protected void doStop() throws Exception {
          super.doStop();
          ServiceHelper.stopService(configurers);
      }
  }
  