code: public static List<String> getResources() {
          File resources = new File(STORAGE_PATH + File.separator + "/resources");
          File[] children = resources.listFiles();
  
          if (children == null) {
              return new ArrayList<String>();
          }
  
          List<String> storages = new ArrayList<String>();
  
          for (int i = 0; i < children.length; i++) {
              if (children[i].isDirectory())
                  storages.add(children[i].getName());
          }
  
          return storages;
      }
docs: Retrieve a list of all storages.
  
  @return a list of all storage names