File file = (File) wo.unwrap();
DefaultWorkspaceFilter r = new DefaultWorkspaceFilter();
try {
r.load(file);
DumpContext dCtx = new DumpContext(new PrintWriter(System.out));
r.dump(dCtx, false);
dCtx.flush();
IOUtils.copy(r.getSource(), System.out);
} catch (Exception e) {
e.printStackTrace();