content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.httpurlconnection;
  
  import static java.util.Collections.emptyList;
  import static java.util.Collections.singletonList;
  
  import io.opentelemetry.instrumentation.api.semconv.http.HttpClientAttributesGetter;
  import java.net.HttpURLConnection;
  import java.util.List;
  import javax.annotation.Nullable;
  
  class HttpUrlHttpAttributesGetter
      implements HttpClientAttributesGetter<HttpURLConnection, Integer> {
  
    @Override
    public String getHttpRequestMethod(HttpURLConnection connection) {
      return connection.getRequestMethod();
    }
  
    @Override
    public String getUrlFull(HttpURLConnection connection) {
      return connection.getURL().toExternalForm();
    }
  
    @Override
    public List<String> getHttpRequestHeader(HttpURLConnection connection, String name) {
      String value = connection.getRequestProperty(name);
      return value == null ? emptyList() : singletonList(value);
    }
  
    @Override
    public Integer getHttpResponseStatusCode(
        HttpURLConnection connection, Integer statusCode, @Nullable Throwable error) {
      return statusCode;
    }
  
    @Override
    public List<String> getHttpResponseHeader(
        HttpURLConnection connection, Integer statusCode, String name) {
      String value = connection.getHeaderField(name);
      return value == null ? emptyList() : singletonList(value);
    }
  
    @Nullable
    @Override
    public String getNetworkProtocolName(HttpURLConnection connection, @Nullable Integer integer) {
      // HttpURLConnection hardcodes the protocol name&version
      return "http";
    }
  
    @Nullable
    @Override
    public String getNetworkProtocolVersion(HttpURLConnection connection, @Nullable Integer integer) {
      // HttpURLConnection hardcodes the protocol name&version
      return "1.1";
    }
  
    @Override
    public String getServerAddress(HttpURLConnection connection) {
      return connection.getURL().getHost();
    }
  
    @Override
    public Integer getServerPort(HttpURLConnection connection) {
      return connection.getURL().getPort();
    }
  }
  