if (!TapestryUtils.isValid((AbstractPage) getPage())) {
if (!TapestryUtils.isValid(this)) {
    public IPage applyAttrMap(IRequestCycle cycle) {        if (!TapestryUtils.isValid((AbstractPage) getPage())) {            return null;        }        getLdapManager().setAttrMap(getAttrMap());        // send us to import preview        LdapImportPreview ldapImportPreview = (LdapImportPreview) cycle.getPage(LdapImportPreview.PAGE);        ldapImportPreview.setExample(null);        return ldapImportPreview;    }