/**
     * Return the auid -> au-subdir-path mapping. Enumerating the directories if necessary to
     * initialize the map
     */
    Map getAuMap() {
      if (auMap == null) {
        logger.debug3("Loading name map for '" + repoCacheFile + "'.");
        auMap = new HashMap();
        if (!repoCacheFile.exists()) {
          logger.debug3("Creating cache dir:" + repoCacheFile + "'.");
          if (!repoCacheFile.mkdirs()) {
            logger.critical("Couldn't create directory, check owner/permissions: " + repoCacheFile);
            // return empty map
            return auMap;
          }
        } else {
          // read each dir's property file and store mapping auid -> dir
          File[] auDirs = repoCacheFile.listFiles();
          for (int ii = 0; ii < auDirs.length; ii++) {
            String dirName = auDirs[ii].getName();
            //       if (dirName.compareTo(lastPluginDir) == 1) {
            //         // adjust the 'lastPluginDir' upwards if necessary
            //         lastPluginDir = dirName;
            //       }

            String path = auDirs[ii].getAbsolutePath();
            Properties idProps = getAuIdProperties(path);
            if (idProps != null) {
              String auid = idProps.getProperty(AU_ID_PROP);
              StringBuilder sb = new StringBuilder(path.length() + File.separator.length());
              sb.append(path);
              sb.append(File.separator);
              auMap.put(auid, sb.toString());
              logger.debug3("Mapping to: " + auMap.get(auid) + ": " + auid);
            } else {
              logger.debug3("Not mapping " + path + ", no auid file.");
            }
          }
        }
      }
      return auMap;
    }
  private void checkFact(Object fact, String name, String criticalServiceName, String message) {
    if (fact == null && criticalServiceName != null) {
      String msg =
          StringUtil.isNullString(name)
              ? ("No keystore name given for critical keystore"
                  + " needed for service "
                  + criticalServiceName
                  + ", daemon exiting")
              : ("Critical keystore "
                  + name
                  + " "
                  + ((message != null) ? message : "not found or not loadable")
                  + " for service "
                  + criticalServiceName
                  + ", daemon exiting");
      log.critical(msg);

      if (paramExitIfMissingKeyStore) {
        System.exit(Constants.EXIT_CODE_KEYSTORE_MISSING);
      } else {
        throw new IllegalArgumentException(msg);
      }
    }
  }