private void loadSLD(){

        RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, "styles/simple.sld");
        try {
            builder.sendRequest("", new RequestCallback() {

                @Override
                public void onError(Request request, Throwable exception) {
                }

                @Override
                public void onResponseReceived(Request request, Response response) {
                    if (200 == response.getStatusCode()) {
                        String document = response.getText();
                        SLD sld = new SLD();
                        SLDResult result = sld.read(document);
                        StyleMap userStyleMap = result.getUserStyleMap();

                        Vector vectorLayer = new Vector("My Vector Layer");
                        vectorLayer.setStyleMap(userStyleMap);

                        List<VectorFeature> points = new ArrayList<VectorFeature>();

                        points.add(new VectorFeature(new Point(-85, 32.45)));
                        points.add(new VectorFeature(new Point(-84.90, 32.45)));

                        vectorLayer.addFeatures(points.toArray(new VectorFeature[0]));

                        map.addLayer(vectorLayer);

                        vectorLayer.redraw();
                    }
                }
            });
        } catch (Exception e){

        }
    }