Java Utililty Methods XML Element to String

String value = from.getFirstChild().getNodeValue();
return value;

final StringBuilder buf = new StringBuilder();
final NodeList children = element.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
    final Node n = children.item(i);
    switch (n.getNodeType()) {
    case Node.TEXT_NODE:
        buf.append(n.getNodeValue());
        break;
...

NodeList nl1 = element.getElementsByTagName(tagName);
if (nl1.getLength() <= 0) {
    return null;
Element el = (Element) nl1.item(0);
return el.getChildNodes().item(0).getNodeValue();

StringBuffer buf = new StringBuffer();
NodeList nodes = elem.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
    Node node = nodes.item(i);
    switch (node.getNodeType()) {
    case Node.TEXT_NODE:
        buf.append(((Text) node).getData());
        break;
...

List<String> values = new LinkedList<String>();
NodeList nodes = from.getElementsByTagName(elementName);
if (nodes != null) {
    for (int i = 0; i < nodes.getLength(); i++) {
        values.add(nodes.item(i).getChildNodes().item(0).getNodeValue());
return values;
...

return toString(node);

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

try {
    TransformerFactory tfactory = TransformerFactory.newInstance();
    Transformer xform = tfactory.newTransformer();
    Source src = new DOMSource(e);
    java.io.StringWriter writer = new StringWriter();
    Result result = new javax.xml.transform.stream.StreamResult(writer);
    xform.transform(src, result);
    return writer.toString();
...

try {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    Source source = new DOMSource(element);
    Result target = new StreamResult(out);
    transformer.transform(source, target);
    return out.toString("UTF-8");
...

TransformerFactory transFactory = TransformerFactory.newInstance();
Transformer transformer = transFactory.newTransformer();
StringWriter buffer = new StringWriter();
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
transformer.transform(new DOMSource(node), new StreamResult(buffer));
return buffer.toString();