code: public ModelAndView getRuleTree(String surt) throws URIException {
      	RuleSet ruleSet;
      	
      	if (surt.equals("all")) {
      		ruleSet = ruleDao.getAllRulesSet();
      	} else {
      		ruleSet = ruleDao.getRuleTree(surt);
      	}
      	
      	surt = fixupSchemeSlashes(surt);
      	//System.out.println("*** getRuleTree: " + surt);
          return new ModelAndView(view, "object", ruleSet);        
      }
docs: GET /rules/tree/(some,surt,)
  
  @param surt
  @return
  @throws URIException