Пример #1
0
  public List<T> collect() {
    List<T> list = new ArrayList<>();

    for (Pair<String, String> p : map.keySet()) {

      String folder = p.first;
      String pattern = p.second;
      Function<String, ? extends T> func = map.get(p);

      DirectoryStream<Path> dirStream;
      try {
        dirStream = Files.newDirectoryStream(Paths.get(folder), pattern);
        logger.info(String.format("Load files from folder %s with pattern %s.", folder, pattern));

        // sort the files
        List<String> files = new ArrayList<>();
        dirStream.forEach(s -> files.add(s.toString()));
        Collections.sort(files);

        for (String s : files) {
          logger.info(String.format("Loading file %s.", s));
          list.add(func.apply(s));
        }

      } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException(String.format("Could not load files from patern: %s", pattern));
      }
    }

    return list;
  }
Пример #2
0
 private static List<Path> filesInDirectory(String resource)
     throws IOException, URISyntaxException {
   List<Path> files = new ArrayList<>();
   try (DirectoryStream<Path> directoryStream =
       Files.newDirectoryStream(
           Paths.get(RandomKnapsackTest.class.getResource(resource).toURI()))) {
     directoryStream.forEach(files::add);
   }
   return files;
 }