final RequestObserver requestObserver = new SaveCommentObserver(this);
final Request request = Network.getInstance().makeRequest(
"defecttracker/comment", HttpMethod.PUT);
final Comment comment = new Comment(model.getId(), model.getCreator(), view.getCommentField().getText());
view.getCommentField().setText("");
request.setBody(comment.toJSON());
request.addObserver(requestObserver);
request.send();
}
}