@Override
  public @Nullable Object get(File file, String attribute) {
    if (attribute.equals("owner")) {
      return file.getAttribute("owner", "owner");
    }
    return null;
  }
Attribute provider that provides the {@link FileOwnerAttributeView} ("owner").

@author Colin Decker
jimfs/src/main/java/com/google/common/jimfs/OwnerAttributeProvider.java