if (listener != null) {
if (tempListener != null) {
	public void registerServlet(String alias, Servlet servlet, java.util.Dictionary initparams, HttpContext httpContext) throws ServletException, NamespaceException, IllegalArgumentException {		HttpListener listener = this.listener;		if (listener != null) {			if (httpContext == null) {				httpContext = createDefaultHttpContext();			}			listener.registerServlet(bundle, alias, servlet, initparams, httpContext);		}	}