Java Utililty Methods XML Node to String

StringWriter writer = new StringWriter();
DOMSource domSource = new DOMSource(node);
StreamResult result = new StreamResult(writer);
TransformerFactory tf = TransformerFactory.newInstance();
Transformer serializer = tf.newTransformer();
serializer.setOutputProperty(OutputKeys.INDENT, "yes");
serializer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, omitXmlDeclaration ? "yes" : "no");
serializer.transform(domSource, result);
...

return getXMLStringFragmentFromNode(node, true);

final String YES = "yes";
StringWriter sw = new StringWriter();
try {
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.INDENT, YES);
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, YES);
    transformer.transform(new DOMSource(node), new StreamResult(sw));
    return sw.toString();
...

final Transformer tf = TransformerFactory.newInstance().newTransformer();
tf.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
tf.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
tf.setOutputProperty(OutputKeys.INDENT, "yes");
final Writer out = new StringWriter();
tf.transform(new DOMSource(node), new StreamResult(out));
return out.toString();

return nodeToString(node, false);

final TransformerFactory transFactory = TransformerFactory.newInstance();
Transformer transformer;
try {
    transformer = transFactory.newTransformer();
    final StringWriter buffer = new StringWriter();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    transformer.transform(new DOMSource(node), new StreamResult(buffer));
    buffer.append("\n");
...

try {
    final StringWriter writer = new StringWriter();
    createIndentingTransformer().transform(new DOMSource(node), new StreamResult(writer));
    return writer.toString();
} catch (final TransformerException e) {
    throw new IllegalStateException(e);

try {
    DOMSource domSource = new DOMSource(doc);
    StringWriter writer = new StringWriter();
    StreamResult result = new StreamResult(writer);
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.transform(domSource, result);
    return writer.toString();
...

StringWriter sw = new StringWriter();
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty("omit-xml-declaration", "yes");
transformer.setOutputProperty("indent", "yes");
transformer.transform(new DOMSource(n), new StreamResult(sw));
return sw.toString();

return nodeToString(n, true, true);