private static void addFiles(Dataset dataset, DatasetBean bean) {
List<DatasetFileBean> fileBeans = new ArrayList<DatasetFileBean>();
List<DataKey> sorted = new ArrayList<DataKey>(dataset.getAllFileKeys());
Collections.sort(sorted);
for (DataKey key : sorted) {
DataFile file = dataset.getFile(key);
DatasetFileBean fileBean = DatasetFileBean.instance(key, file);
fileBeans.add(fileBean);
}
bean.files = fileBeans.toArray(new DatasetFileBean[fileBeans.size()]);
}
