public HttpServer build()

in server/src/main/java/org/apache/calcite/avatica/server/HttpServer.java [824:864]
34 lines of code
7 McCabe index (conditional complexity)

    public HttpServer build() {
      switch (authenticationType) {
      case NONE:
        serverConfig = null;
        subject = null;
        handler = buildHandler(this, serverConfig);
        break;
      case BASIC:
      case DIGEST:
        // Build the configuration for BASIC or DIGEST authentication.
        serverConfig = buildUserAuthenticationConfiguration(this);
        subject = null;
        handler = buildHandler(this, serverConfig);
        break;
      case SPNEGO:
        LOG.debug("Not performing Kerberos login, Jetty does this now");
        subject = null;
        serverConfig = buildSpnegoConfiguration(this);
        handler = buildHandler(this, serverConfig);
        break;
      case CUSTOM:
        // We don't need to build any Config here since
        // serverConfig is already assigned the required AvaticaServerConfiguration
        serverConfig = buildCustomConfiguration(this);
        subject = null;
        break;
      default:
        throw new IllegalArgumentException("Unhandled AuthenticationType");
      }

      SslContextFactory.Server sslFactory = buildSSLContextFactory();

      List<ServerCustomizer<Server>> jettyCustomizers = new ArrayList<>();
      for (ServerCustomizer<?> customizer : this.serverCustomizers) {
        // Type checked in withServerCustomizers
        jettyCustomizers.add((ServerCustomizer<Server>) customizer);
      }

      return new HttpServer(port, handler, serverConfig, subject, sslFactory, jettyCustomizers,
          maxAllowedHeaderSize);
    }