private Boolean getBooleanImpl(String propertyName) {
   String value = props.getString(propertyName);
   if (value != null) {
     Boolean result = Parse.parseBoolean(value, messageBundle);
     if (result != null) {
       return result;
     }
     props.remove(propertyName);
   }
   value = props.getString(propertyName);
   if (value != null) {
     Boolean result = Parse.parseBoolean(value, null);
     if (result != null) {
       return result;
     }
     throwBrokenDefault(propertyName, value);
   }
   return null;
 }
  private void setupHomeDir(String homeString) {
    if (homeString == null) {
      homeString = sysProps.getProperty("swingri.home");
    }

    if (homeString != null) {
      dataDir = new File(homeString);
    } else {
      userHome = new File(sysProps.getProperty("user.home"));
      String dataDirStr = props.getString("application.datadir", DEFAULT_HOME_DIR);
      dataDir = new File(userHome, dataDirStr);
    }

    if (!dataDir.isDirectory()) {
      String path = dataDir.getAbsolutePath();
      boolean create;
      if (props.hasUserRejectedCreatingLocalDataDir()) {
        create = false;
      } else if (getBoolean("application.showLocalStorageDialogs", true)) {
        create =
            Resources.showConfirmDialog(
                null,
                messageBundle,
                "fontManager.properties.title",
                "manager.properties.createNewDirectory",
                path);
        if (!create) props.setUserRejectedCreatingLocalDataDir();
      } else {
        // Always create local-storage directory if show user prompt dialog setting is false.
        create = true;
      }

      if (!create) {
        dataDir = null;
      } else {
        dataDir.mkdirs();
        if (!dataDir.isDirectory()) {
          // check to make sure that dialog should be shown on the error.
          if (getBoolean("application.showLocalStorageDialogs", true)) {
            Resources.showMessageDialog(
                null,
                JOptionPane.ERROR_MESSAGE,
                messageBundle,
                "fontManager.properties.title",
                "manager.properties.failedCreation",
                dataDir.getAbsolutePath());
          }
          dataDir = null;
        }
      }
    }
  }