public Set<CustomRule> getCustomRules() {
Set<CustomRule> result = Sets.newHashSet();
NodeList nl = root.getElementsByTagName("rule");
for(int i = 0; i < nl.getLength(); i++) {
Element el = (Element) nl.item(i);
CustomRule rule = CustomRule.valueOf(el.getAttribute("name"));
result.add(rule);
}
return result;
}
