code: private synchronized void load() {
      Map<String, HadoopServer> map = new TreeMap<String, HadoopServer>();
      for (File file : saveDir.listFiles()) {
        try {
          HadoopServer server = new HadoopServer(file);
          map.put(server.getLocationName(), server);
  
        } catch (Exception exn) {
          System.err.println(exn);
        }
      }
      this.servers = map;
    }
docs: Load all available locations from the workspace configuration directory.