WtServlet.getInstance().addResource(new WResource() {
            @Override
            protected void handleRequest(WebRequest request, WebResponse response) throws IOException {

                ServletInputStream input = request.getInputStream();

                System.out.println("Put int: " + input.available());
                BufferedReader reader = new BufferedReader(new InputStreamReader(input));

                String dado = null;

                while ((dado = reader.readLine()) != null) {

                    System.out.println("Dados: " + dado);
                }
                input.close();

            }
        }, "/SGIB/index/input");

}