} else {
FileLanguageResourceSpecifier flrs;
if (null != rs && rs instanceof FileLanguageResourceSpecifier) {
flrs = (FileLanguageResourceSpecifier) rs;
} else {
flrs = new FileLanguageResourceSpecifier_impl();
}
flrs.setFileUrlPrefix(setValueChanged(dialog.xrUrl, flrs.getFileUrlPrefix()));
flrs.setFileUrlSuffix(setValueChanged(dialog.xrUrlSuffix, flrs.getFileUrlSuffix()));
xrd.setResourceSpecifier(flrs);
}