Java Utililty Methods XML Transform Usage

final Transformer transformer = FACTORY.newTransformer();
final Source source = new StreamSource(new ByteArrayInputStream(body));
final DOMResult result = new DOMResult();
transformer.transform(source, result);
return result.getNode();

StreamSource ss = new StreamSource(new StringReader(result.getWriter().toString()));
String systemId = result.getSystemId();
if (systemId != null) {
 ss.setSystemId(new File(systemId));
return ss;

if (!(source instanceof StreamSource)) {
 return;
StreamSource stream = (StreamSource) source;
try {
 if (stream.getInputStream() != null) {
 stream.getInputStream().close();
} catch (IOException e) {
try {
 if (stream.getReader() != null) {
 stream.getReader().close();
} catch (IOException e) {

Transformer t1 = TransformerFactory.newInstance().newTransformer();
Transformer t2 = TransformerFactory.newInstance().newTransformer();
DOMResult srcResult = new DOMResult();
DOMResult tarResult = new DOMResult();
t1.transform(src, srcResult);
Node n1 = srcResult.getNode();
t2.transform(target, tarResult);
Node n2 = tarResult.getNode();
...

if (src1 == null || src2 == null) {
 System.out.println("compareStreamSource - src1 or src2 null!");
 return false;
InputStream is1 = src1.getInputStream();
InputStream is2 = src2.getInputStream();
if ((is1 == null) || (is2 == null)) {
 System.out.println("InputStream of - src1 or src2 null!");
...

if (null == element) {
 throw new NullPointerException("connot convert null DOM Element");
TransformerFactory transFactory = TransformerFactory.newInstance();
Transformer transformer = transFactory.newTransformer();
StringWriter stringWriter = new StringWriter();
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
transformer.transform(new DOMSource(element), new StreamResult(stringWriter));
...

try {
 String result;
 if (object instanceof ByteArrayInputStream) {
 InputStream is = (InputStream) object;
 byte[] data = new byte[is.available()];
 is.mark(0);
 is.read(data);
 is.reset();
...

final Transformer transformer = TRANSFORMER_FACTORY.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
StreamResult result = new StreamResult(baos);
transformer.transform(src, result);
return new ByteArrayInputStream(baos.toByteArray());

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
factory.setIgnoringComments(true);
factory.setIgnoringElementContentWhitespace(true);
factory.setSchema(newSchema(schemaSources.toArray(new Source[schemaSources.size()])));
return factory;

final Properties format = new Properties();
format.put(OutputKeys.METHOD, "xml");
format.put(OutputKeys.OMIT_XML_DECLARATION, (omitXMLDeclaration ? "yes" : "no"));
format.put(OutputKeys.INDENT, "yes");
return format;