public HtmlElement transform(File infile, File outfile) throws Exception { HtmlElement htmlElement = null; if (infile == null) { throw new RuntimeException("null input file"); } if (outfile == null) { throw new RuntimeException("null output file"); } String xmlString = transformToXML(infile); // debug output FileUtils.write(new File("target/debug/transform.xml"), xmlString, Charset.forName("UTF-8")); Element xmlElement = XMLUtil.parseXML(xmlString); htmlElement = new HtmlFactory().parse(xmlElement); XMLUtil.debug(xmlElement, new FileOutputStream("target/firstpass.html"), 1); return htmlElement; }