private void saveAsXml()

in src/main/java/org/apache/struts/annotations/taglib/apt/TagAnnotationProcessor.java [277:342]
50 lines of code
7 McCabe index (conditional complexity)

    private void saveAsXml() {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder;

        try {
            // create xml document
            builder = factory.newDocumentBuilder();
            Document document = builder.newDocument();
            document.setXmlVersion("1.0");

            // taglib
            Element tagLib = document.createElement("taglib");
            tagLib.setAttribute("xmlns", "http://java.sun.com/xml/ns/j2ee");
            tagLib.setAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
            tagLib.setAttribute("xsi:schemaLocation", "http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd");
            tagLib.setAttribute("version", getOption("jspVersion"));
            document.appendChild(tagLib);
            // tag lib attributes
            appendTextNode(document, tagLib, "description",
                    getOption("description"), true);
            appendTextNode(document, tagLib, "display-name",
                    getOption("displayName"), false);
            appendTextNode(document, tagLib, "tlib-version",
                    getOption("tlibVersion"), false);
            appendTextNode(document, tagLib, "short-name",
                    getOption("shortName"), false);
            appendTextNode(document, tagLib, "uri", getOption("uri"), false);

            // create tags
            for (Map.Entry<String, Tag> entry : tags.entrySet()) {
                Tag tag = entry.getValue();
                if (tag.isInclude())
                    createElement(document, tagLib, tag);
            }

            // save to file
            TransformerFactory tf = TransformerFactory.newInstance();
            tf.setAttribute("indent-number", 2);
            Transformer transformer = tf.newTransformer();
            // if tiger would just format it :(
            // formatting bug in tiger
            // (http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6296446)

            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");

            //create output directory if it does not exists
            String outFile = getOption("outFile");
            if (outFile == null) {
                throw new IllegalArgumentException("outFile was not defined!");
            }
            File outputFile = new File(outFile);
            File parentDir = outputFile.getParentFile();
            if (!parentDir.exists()) {
                if (!parentDir.mkdirs()) {
                    throw new IllegalStateException("Cannot create folder: " + parentDir.getPath() + "!");
                }
            }
            Source source = new DOMSource(document);
            Result result = new StreamResult(new OutputStreamWriter(Files.newOutputStream(outputFile.toPath())));
            transformer.transform(source, result);
        } catch (Exception e) {
            // oops we cannot throw checked exceptions
            throw new RuntimeException(e);
        }
    }