entry method
Implementation
Future<ResourceTry<ArchiveEntry>> entry() async {
if (_entry == null) {
try {
ArchiveEntry entry =
await _archive.entry(_originalLink.href.removePrefix("/"));
_entry = ResourceTry.success(entry);
} on Exception {
_entry = ResourceTry.failure(ResourceException.notFound);
}
}
return _entry!;
}