public void registerSpanProcessors()

in universal-profiling-integration/src/main/java/co/elastic/otel/UniversalProfilingProcessorAutoConfig.java [53:100]
43 lines of code
6 McCabe index (conditional complexity)

  public void registerSpanProcessors(
      ConfigProperties properties, ChainingSpanProcessorRegisterer registerer) {

    String enabledDefault = EnabledOptions.AUTO.toString();
    String unsupportedReason = JvmtiAccess.getSystemUnsupportedReason();
    if (unsupportedReason != null) {
      logger.log(
          Level.FINE,
          "Default value for {0} is false, because the system is unsupported: {1}",
          new Object[] {ENABLED_OPTION, unsupportedReason});
      enabledDefault = EnabledOptions.FALSE.toString();
    }

    String enabledString = properties.getString(ENABLED_OPTION, enabledDefault).toUpperCase();
    EnabledOptions enabled = EnabledOptions.valueOf(enabledString);

    if (enabled == EnabledOptions.FALSE) {
      return;
    }
    Resource resource = ResourceConfiguration.createEnvironmentResource(properties);

    String serviceName = resource.getAttribute(ServiceAttributes.SERVICE_NAME);
    if (serviceName == null || serviceName.isEmpty()) {
      logger.warning(
          "Cannot start universal profiling integration because no service name was configured");
      return;
    }

    PropertiesApplier props = new PropertiesApplier(properties);
    registerer.register(
        next -> {
          try {
            UniversalProfilingProcessorBuilder builder =
                UniversalProfilingProcessor.builder(next, resource);
            builder.delayActivationAfterProfilerRegistration(enabled == EnabledOptions.AUTO);
            props.applyInt(BUFFER_SIZE_OPTION, builder::bufferSize);
            props.applyString(SOCKET_DIR_OPTION, builder::socketDir);
            props.applyBool(VIRTUAL_THREAD_SUPPORT_OPTION, builder::virtualThreadSupportEnabled);
            return builder.build();
          } catch (Exception e) {
            logger.log(
                Level.SEVERE,
                "Failed to initialize universal profiling integration, the feature won't work",
                e);
            return next;
          }
        });
  }