code: private boolean checkEnabled() {
          boolean retVal = false;
  
          try {
              if (getSettings().getBoolean(Settings.KEYS.ANALYZER_CENTRAL_ENABLED)) {
                  if (!getSettings().getBoolean(Settings.KEYS.ANALYZER_NEXUS_ENABLED)
                          || NexusAnalyzer.DEFAULT_URL.equals(getSettings().getString(Settings.KEYS.ANALYZER_NEXUS_URL))) {
                      LOGGER.debug("Enabling the Central analyzer");
                      retVal = true;
                  } else {
                      LOGGER.info("Nexus analyzer is enabled, disabling the Central Analyzer");
                  }
              } else {
                  LOGGER.info("Central analyzer disabled");
              }
          } catch (InvalidSettingException ise) {
              LOGGER.warn("Invalid setting. Disabling the Central analyzer");
          }
          return retVal;
      }
docs: Determines if this analyzer is enabled.
  
  @return <code>true</code> if the analyzer is enabled; otherwise
  <code>false</code>