private static String getTargetForHttpClientSpan()

in agent/agent-tooling/src/main/java/com/microsoft/applicationinsights/agent/internal/exporter/Exporter.java [501:548]

41 lines of code
12 McCabe index (conditional complexity)


  private static String getTargetForHttpClientSpan(Attributes attributes) {
    // from the spec, at least one of the following sets of attributes is required:
    // * http.url
    // * http.scheme, http.host, http.target
    // * http.scheme, net.peer.name, net.peer.port, http.target
    // * http.scheme, net.peer.ip, net.peer.port, http.target
    String target = getTargetFromPeerService(attributes);
    if (target != null) {
      return target;
    }
    // note http.host includes the port (at least when non-default)
    target = attributes.get(SemanticAttributes.HTTP_HOST);
    if (target != null) {
      String scheme = attributes.get(SemanticAttributes.HTTP_SCHEME);
      if ("http".equals(scheme)) {
        if (target.endsWith(":80")) {
          target = target.substring(0, target.length() - 3);
        }
      } else if ("https".equals(scheme)) {
        if (target.endsWith(":443")) {
          target = target.substring(0, target.length() - 4);
        }
      }
      return target;
    }
    String url = attributes.get(SemanticAttributes.HTTP_URL);
    if (url != null) {
      target = UrlParser.getTargetFromUrl(url);
      if (target != null) {
        return target;
      }
    }
    String scheme = attributes.get(SemanticAttributes.HTTP_SCHEME);
    int defaultPort;
    if ("http".equals(scheme)) {
      defaultPort = 80;
    } else if ("https".equals(scheme)) {
      defaultPort = 443;
    } else {
      defaultPort = 0;
    }
    target = getTargetFromNetAttributes(attributes, defaultPort);
    if (target != null) {
      return target;
    }
    // this should not happen, just a failsafe
    return "Http";
  }