Java Utililty Methods XML Node to String

try {
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    Source source = new DOMSource(node);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    Result result = new StreamResult(out);
    transformer.transform(source, result);
    return out.toString();
} catch (TransformerConfigurationException e) {
...

switch (node.getNodeType()) {
case Node.ELEMENT_NODE: {
    NodeList children = node.getChildNodes();
    int numChildren = children.getLength();
    html.append("<b>" + node.getNodeName().replace("_", " ") + "</b>");
    html.append(": ");
    for (int i = 0; i < numChildren; i++) {
        Node child = children.item(i);
...

return toString(node, true);

TransformerFactory transFactory = TransformerFactory.newInstance();
Transformer transformer = transFactory.newTransformer();
StringWriter writer = new StringWriter();
DOMSource source = new DOMSource(node);
StreamResult result = new StreamResult(writer);
transformer.transform(source, result);
return writer.toString();

final StringWriter out = new StringWriter();
write(node, new StreamResult(out));
return out.toString();

try {
    final Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
    final StreamResult result = new StreamResult(new StringWriter());
    final DOMSource source = new DOMSource(xml);
    transformer.transform(source, result);
    return result.getWriter().toString();
...

return toClass(nodeType).getSimpleName();

if (element == null) {
    return "null";
Source source = new DOMSource(element);
StringWriter stringWriter = new StringWriter();
try (PrintWriter printWriter = new PrintWriter(stringWriter)) {
    Result result = new StreamResult(printWriter);
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
...

StringBuilder buf = new StringBuilder();
append(n, buf, 0);
return buf.toString();

TransformerHandler hd = newTransformerHandler();
Transformer serializer = hd.getTransformer();
serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
serializer.setOutputProperty(OutputKeys.INDENT, "yes");
DOMSource source = new DOMSource(n);
StringWriter w = new StringWriter();
StreamResult result = new StreamResult(w);
serializer.transform(source, result);
...