head method

@override Future<ObjectInfo?> head(String key)

Get object metadata without reading the body (HeadObject).

Returns null if the key does not exist.

Implementation

@override
Future<ObjectInfo?> head(String key) async {
  checkNotDisposed();
  final manifest = await _readManifest(key);
  if (manifest == null) return null;
  return ObjectInfo(
    key: key,
    size: manifest.totalSize,
    contentType: manifest.contentType,
    metadata: manifest.metadata,
    lastModified: manifest.lastModified,
  );
}