public static String format(Link link) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("type", link.type());
map.put("label", link.label());
map.put("pair", link.pair().label());
if (link.factory().contains(GraphFactory.Family.directed)) {
map.put("reverse", link.reverse().label());
}
if (link.factory().contains(GraphFactory.Family.fractal)) {
map.put("inverse", link.inverse().label());
map.put("down", link.down());
}
return format(map);
}
