private void save(List<WeakReference<DataFile>> toSave) throws DataFileException {
Iterator<WeakReference<DataFile>> it = toSave.iterator();
while (it.hasNext()) {
WeakReference<DataFile> ref = it.next();
if (ref != null) {
DataFile df = ref.get();
if (df != null) {
df.save();
} else {
it.remove();
}
} else {
it.remove();
}
}
}
