public void onResponseReceived(Request request, Response response) {
if (200 == response.getStatusCode()) {
addTreeItems(response);
if (treeItem.getText().equals(constants.rootItemDescription()))
treeItem.setState(true, true);
} else {
GWT.log("ResourceTree - Couldn't retrieve JSON for request : " + request.toString(), null);
}
}
public void onError(Request request, Throwable exception) {
GWT.log("ResourceGrids - on error for request : " + request.toString(), null);
}