protected final ObjectMetadata updateMetadataWithContentCryptoMaterial(
ObjectMetadata metadata, File file, ContentCryptoMaterial instruction) {
if (metadata == null) metadata = new ObjectMetadata();
if (file != null) {
Mimetypes mimetypes = Mimetypes.getInstance();
metadata.setContentType(mimetypes.getMimetype(file));
}
return instruction.toObjectMetadata(metadata);
}
