private TreeNode tree(Tauth t, boolean recursive) {
   TreeNode node = new TreeNode();
   node.setId(t.getCid());
   node.setText(t.getCname());
   Map<String, Object> attributes = new HashMap<String, Object>();
   node.setAttributes(attributes);
   if (t.getTauths() != null && t.getTauths().size() > 0) {
     node.setState("closed");
     if (recursive) { // query child nodes recursively
       List<Tauth> l = new ArrayList<Tauth>(t.getTauths());
       Collections.sort(l, new AuthComparator()); // sort
       List<TreeNode> children = new ArrayList<TreeNode>();
       for (Tauth r : l) {
         TreeNode tn = tree(r, true);
         children.add(tn);
       }
       node.setChildren(children);
       node.setState("open");
     }
   }
   return node;
 }
  public User login(User user) {
    Tuser t =
        userDao.get(
            "from Tuser t where t.cname = ? and t.cpwd = ?",
            new Object[] {user.getCname(), Encrypt.e(user.getCpwd())});
    if (t != null) {
      BeanUtils.copyProperties(t, user, new String[] {"cpwd"});

      Map<String, String> authIdsMap = new HashMap<String, String>();
      String authIds = "";
      String authNames = "";
      Map<String, String> authUrlsMap = new HashMap<String, String>();
      String authUrls = "";
      String roleIds = "";
      String roleNames = "";
      boolean b1 = false;
      Set<Tusertrole> tusertroles = t.getTusertroles();
      if (tusertroles != null && tusertroles.size() > 0) {
        for (Tusertrole tusertrole : tusertroles) {
          Trole trole = tusertrole.getTrole();
          if (b1) {
            roleIds += ",";
            roleNames += ",";
          }
          roleIds += trole.getCid();
          roleNames += trole.getCname();
          b1 = true;

          Set<Troletauth> troletauths = trole.getTroletauths();
          if (troletauths != null && troletauths.size() > 0) {
            for (Troletauth troletauth : troletauths) {
              Tauth tauth = troletauth.getTauth();
              authIdsMap.put(tauth.getCid(), tauth.getCname());
              authUrlsMap.put(tauth.getCid(), tauth.getCurl());
            }
          }
        }
      }
      boolean b2 = false;
      for (String id : authIdsMap.keySet()) {
        if (b2) {
          authIds += ",";
          authNames += ",";
        }
        authIds += id;
        authNames += authIdsMap.get(id);
        b2 = true;
      }
      user.setAuthIds(authIds);
      user.setAuthNames(authNames);
      user.setRoleIds(roleIds);
      user.setRoleNames(roleNames);
      boolean b3 = false;
      for (String id : authUrlsMap.keySet()) {
        if (b3) {
          authUrls += ",";
        }
        authUrls += authUrlsMap.get(id);
        b3 = true;
      }
      user.setAuthUrls(authUrls);

      return user;
    }
    return null;
  }