Meaningless

protected AuthorizationInfo buildAuthorizationInfo(Set<String> roleNames) {
        return new SimpleAuthorizationInfo(roleNames);
    }

    private Set<String> getRoleNamesForUser(String username,LdapContext ldapContext) throws NamingException {
        Set<String> roleNames;
        roleNames = new LinkedHashSet<String>();

        SearchControls searchCtls = new SearchControls();
        searchCtls.setSearchScope(SearchControls.SUBTREE_SCOPE);

        String userPrincipalName = username;
        if (principalSuffix != null) {
            userPrincipalName += principalSuffix;
        }

        String searchFilter = "(&(objectClass=*)(userPrincipalName=" + userPrincipalName + "))";

        NamingEnumeration answer = ldapContext.search(searchBase,searchFilter,searchCtls);

        while (answer.hasMoreElements()) {
            SearchResult sr = (SearchResult) answer.next();

            if (log.isDebugEnabled()) {
                log.debug("Retrieving group names for user [" + sr.getName() + "]");
            }

            Attributes attrs = sr.getAttributes();

            if (attrs != null) {
                NamingEnumeration ae = attrs.getAll();
                while (ae.hasMore()) {
                    Attribute attr = (Attribute) ae.next();

                    if (attr.getID().equals("memberOf")) {

                        Collection<String> groupNames = LdapUtils.getAllAttributeValues(attr);

                        if (log.isDebugEnabled()) {
                            log.debug("Groups found for user [" + username + "]:" + groupNames);
                        }

                        Collection<String> rolesForGroups = getRoleNamesForGroups(groupNames);
                        roleNames.addAll(rolesForGroups);
                    }
                }
            }
        }
        return roleNames;
    }

   
    protected Collection<String> getRoleNamesForGroups(Collection<String> groupNames) {
        Set<String> roleNames = new HashSet<String>(groupNames.size());

        if (groupRolesMap != null) {
            for (String groupName : groupNames) {
                String strRoleNames = groupRolesMap.get(groupName);
                if (strRoleNames != null) {
                    for (String roleName : strRoleNames.split(ROLE_NAMES_DELIMETER)) {

                        if (log.isDebugEnabled()) {
                            log.debug("User is member of group [" + groupName + "] so adding role [" + roleName + "]");
                        }

                        roleNames.add(roleName);

                    }
                }
            }
        }
        return roleNames;
    }

}