public void PurgeFolderContents(UUID userId, UUID folderId)
        {
            //verify this user owns the folder
            InventoryFolderBase subjectFolder = _storage.GetFolderAttributes(folderId);

            if (subjectFolder.Owner != userId)
            {
                throw new InventorySecurityException(String.Format("Not purging folder contents in folder {0} for user {1}. User does not own the folder", subjectFolder.ID, userId));
            }

            _storage.PurgeFolderContents(subjectFolder);
        }