if( files[i].getName().endsWith( ".zip" ) ) {
descriptor = new ZipArchiveBackupDescriptor( files[i] );
} else {
final File descriptorFile = new File(new File(files[i], "db"), BackupDescriptor.COLLECTION_DESCRIPTOR);
descriptor = new FileSystemBackupDescriptor( descriptorFile );
}
final Properties properties = descriptor.getProperties();
if( properties != null ) {
final AttributesImpl attrs = new AttributesImpl();