if (label == null) {
return persistence.getRevisionData(null, files);
}
final File file = new File(files[0].getParentFile(), label + ".zip");
if (!file.exists()) {
throw new NoSuchVersionException("There is no version '" + label + "'");
}
ZipFile zipFile = null;
FileVersion[] versions = new FileVersion[files.length];
int counter = 0;