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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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   * <http://www.apache.org/>.
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  package org.apache.hc.client5.testing.extension.sync;
  
  import java.util.function.Consumer;
  
  import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager;
  import org.apache.hc.core5.http.URIScheme;
  import org.apache.hc.core5.io.CloseMode;
  import org.apache.hc.core5.util.Asserts;
  import org.apache.hc.core5.util.Timeout;
  import org.junit.jupiter.api.extension.AfterEachCallback;
  import org.junit.jupiter.api.extension.ExtensionContext;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class TestClientResources implements AfterEachCallback {
  
      private static final Logger LOG = LoggerFactory.getLogger(TestClientResources.class);
  
      private final URIScheme scheme;
      private final Timeout timeout;
      private final ClientProtocolLevel clientProtocolLevel;
      private final TestServerBootstrap serverBootstrap;
      private final TestClientBuilder clientBuilder;
  
      private TestServer server;
      private PoolingHttpClientConnectionManager connManager;
      private TestClient client;
  
      public TestClientResources(final URIScheme scheme, final ClientProtocolLevel clientProtocolLevel, final Timeout timeout) {
          this.scheme = scheme != null ? scheme : URIScheme.HTTP;
          this.timeout = timeout;
          this.clientProtocolLevel = clientProtocolLevel != null ? clientProtocolLevel : ClientProtocolLevel.STANDARD;
          this.serverBootstrap = new TestServerBootstrap(this.scheme)
                  .setTimeout(this.timeout);
          switch (this.clientProtocolLevel) {
              case MINIMAL:
                  this.clientBuilder = new MinimalTestClientBuilder();
                  break;
              default:
                  this.clientBuilder = new StandardTestClientBuilder();
          }
          this.clientBuilder.setTimeout(timeout);
      }
  
      @Override
      public void afterEach(final ExtensionContext extensionContext) {
          LOG.debug("Shutting down test server");
  
          if (client != null) {
              client.close(CloseMode.GRACEFUL);
          }
  
          if (connManager != null) {
              connManager.close(CloseMode.IMMEDIATE);
          }
  
          if (server != null) {
              server.shutdown(CloseMode.IMMEDIATE);
          }
      }
  
      public URIScheme scheme() {
          return this.scheme;
      }
  
      public ClientProtocolLevel getClientProtocolLevel() {
          return clientProtocolLevel;
      }
  
      public void configureServer(final Consumer<TestServerBootstrap> serverCustomizer) {
          Asserts.check(server == null, "Server is already running and cannot be changed");
          serverCustomizer.accept(serverBootstrap);
     }
 
     public TestServer server() throws Exception {
         if (server == null) {
             server = serverBootstrap.build();
         }
         return server;
     }
 
     public void configureClient(final Consumer<TestClientBuilder> clientCustomizer) {
         Asserts.check(client == null, "Client is already running and cannot be changed");
         clientCustomizer.accept(clientBuilder);
     }
 
     public TestClient client() throws Exception {
         if (client == null) {
             client = clientBuilder.build();
         }
         return client;
     }
 
 }