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.io.IOException;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.component.http.handler.HeaderValidationHandler;
  import org.apache.hc.core5.http.ClassicHttpRequest;
  import org.apache.hc.core5.http.ClassicHttpResponse;
  import org.apache.hc.core5.http.HttpException;
  import org.apache.hc.core5.http.HttpStatus;
  import org.apache.hc.core5.http.impl.bootstrap.HttpServer;
  import org.apache.hc.core5.http.impl.bootstrap.ServerBootstrap;
  import org.apache.hc.core5.http.protocol.HttpContext;
  import org.junit.jupiter.api.Test;
  
  import static org.apache.camel.component.http.HttpMethods.GET;
  import static org.apache.hc.core5.http.HttpHeaders.ACCEPT_LANGUAGE;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class HttpCamelHeadersTest extends BaseHttpTest {
  
      protected HttpServer localServer;
  
      @Override
      public void setupResources() throws Exception {
          Map<String, String> expectedHeaders = new HashMap<>();
          expectedHeaders.put("TestHeader", "test");
          expectedHeaders.put(ACCEPT_LANGUAGE, "pl");
  
          localServer
                  = ServerBootstrap.bootstrap()
                          .setCanonicalHostName("localhost").setHttpProcessor(getBasicHttpProcessor())
                          .setConnectionReuseStrategy(getConnectionReuseStrategy()).setResponseFactory(getHttpResponseFactory())
                          .setSslContext(getSSLContext())
                          .register("/",
                                  new MyHeaderValidationHandler(GET.name(), "HTTP/1.1", getExpectedContent(), expectedHeaders))
                          .create();
          localServer.start();
      }
  
      @Override
      public void cleanupResources() throws Exception {
  
          if (localServer != null) {
              localServer.stop();
          }
      }
  
      @Test
      public void httpHeadersShouldPresent() {
          assertExchange(doExchange());
      }
  
      @Override
      protected void assertHeaders(Map<String, Object> headers) {
          super.assertHeaders(headers);
  
          assertEquals("test", headers.get("TestHeader"));
          assertEquals("pl", headers.get(ACCEPT_LANGUAGE));
      }
  
      private Exchange doExchange() {
          return template.request(
                  "http://localhost:"
                                  + localServer.getLocalPort()
                                  + "/"
                                  + setupEndpointParams(),
                  exchange -> {
                      exchange.getIn().setHeader("TestHeader", "test");
                      exchange.getIn().setHeader(ACCEPT_LANGUAGE, "pl");
                      exchange.getIn().setHeader(Exchange.HTTP_PROTOCOL_VERSION, "HTTP/1.1");
                  });
      }
  
      protected String setupEndpointParams() {
          return "";
      }
  
      private static class MyHeaderValidationHandler extends HeaderValidationHandler {
          private final String expectProtocolVersion;
  
          MyHeaderValidationHandler(String expectedMethod, String protocolVersion,
                                    String responseContent, Map<String, String> expectedHeaders) {
              super(expectedMethod, null, null, responseContent, expectedHeaders);
              expectProtocolVersion = protocolVersion;
          }
  
          @Override
          public void handle(
                  final ClassicHttpRequest request, final ClassicHttpResponse response,
                  final HttpContext context)
                  throws HttpException, IOException {
              if (!expectProtocolVersion.equals(request.getVersion().toString())) {
                  response.setCode(HttpStatus.SC_HTTP_VERSION_NOT_SUPPORTED);
                  return;
              }
              super.handle(request, response, context);
          }
  
      }
  }
  