}

    private Reader transform(Reader in) throws IOException {
        if (jqueryFiles == null || releaseNotesJavascript == null || baseCss == null || releaseNotesCss == null) {
            throw new GradleException("filter isn't ready to transform");
        }

        Document document = Jsoup.parse(CharStreams.toString(in));
        document.outputSettings().indentAmount(2).prettyPrint(true);