visitor = new NormalizingVisitor( ncn, oidRegistry );
normVisitor = new NormalizingVisitor( ncn, oidRegistry ); expVisitor = new ExpandingVisitor( attributeRegistry );
    public void init( DirectoryServiceConfiguration factoryCfg, InterceptorConfiguration cfg ) throws NamingException    {        OidRegistry oidRegistry = factoryCfg.getGlobalRegistries().getOidRegistry();        attributeRegistry = factoryCfg.getGlobalRegistries().getAttributeTypeRegistry();        NameComponentNormalizer ncn = new ConcreteNameComponentNormalizer( attributeRegistry, oidRegistry );        visitor = new NormalizingVisitor( ncn, oidRegistry );    }