final JsonRepresentation link = LinkBuilder.newBuilder(getResourceContext(), Rel.USER, RepresentationType.USER, "user").build();
final LinkFollower linkFollower = getLinkFollower().follow("links[rel=user]");
if (linkFollower.matches(link)) {
final RendererFactory factory = RendererFactoryRegistry.instance.find(RepresentationType.USER);
final UserReprRenderer renderer = (UserReprRenderer) factory.newRenderer(getResourceContext(), linkFollower, JsonRepresentation.newMap());
renderer.with(getResourceContext().getAuthenticationSession());
link.mapPut("value", renderer.render());
}
getLinks().arrayAdd(link);
}