Java Utililty Methods XML Document Format

OutputFormat format = new OutputFormat(doc);
format.setEncoding("UTF-8");
format.setIndenting(true);
format.setIndent(2);
format.setOmitXMLDeclaration(true);
ByteArrayOutputStream out = new ByteArrayOutputStream();
Writer output = new OutputStreamWriter(out);
XMLSerializer serializer = new XMLSerializer(output, format);
...

OutputFormat format = new OutputFormat(doc);
format.setEncoding("UTF-8");
format.setIndenting(true);
format.setIndent(2);
format.setOmitXMLDeclaration(true);
ByteArrayOutputStream out = new ByteArrayOutputStream();
Writer output = new OutputStreamWriter(out);
XMLSerializer serializer = new XMLSerializer(output, format);
...

OutputFormat format = new OutputFormat(document);
format.setLineWidth(65);
format.setIndenting(true);
format.setIndent(2);
Writer out = new StringWriter();
XMLSerializer serializer = new XMLSerializer(out, format);
serializer.serialize(document);
return out.toString();
...

TransformerFactory factory = TransformerFactory.newInstance();
DOMSource xmlSource = new DOMSource(xml);
Templates t = factory.newTemplates(xslSource);
Transformer transformer = t.newTransformer();
transformer.setURIResolver(resolver);
Document resultDoc = newDocument();
DOMResult result = new DOMResult(resultDoc);
transformer.transform(xmlSource, result);
...

Node lastChild = element.getLastChild();
if (lastChild != null) {
    if (lastChild instanceof Element) {
        element.appendChild(document.createTextNode(formatString));
    } else if (lastChild instanceof Text) {
        Text textNode = (Text) lastChild;
        String text = textNode.getWholeText();
        if (hasOnlyTextSiblings(textNode)) {
...

Node previousSibling = element.getPreviousSibling();
if (previousSibling == null || previousSibling instanceof Element) {
    element.getParentNode().insertBefore(document.createTextNode(formatString), element);
} else if (previousSibling instanceof Text) {
    Text textNode = (Text) previousSibling;
    String text = textNode.getWholeText();
    if (!formatString.equals(text)) {
        textNode.replaceWholeText(trimRight(text) + formatString);
...

Node txt = doc.createTextNode("\n    ");
parent.insertBefore(txt, node);
NodeList children = node.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
    txt = doc.createTextNode("\n      ");
    node.insertBefore(txt, children.item(i));
    i += 1;
txt = doc.createTextNode("\n    ");
node.appendChild(txt);

int pos = 0;
int prev;
boolean check = false;
String spaces = "";
String formattedLine = "";
String scannedLine = "";
Scanner src = new Scanner(doc.getText(0, doc.getLength()));
try {
...

NodeList children = root.getChildNodes();
Node[] nodes = new Node[children.getLength()];
for (int i = 0; i < children.getLength(); i++)
    nodes[i] = children.item(i);
for (int i = 0; i < nodes.length; i++) {
    root.insertBefore(document.createTextNode("\n" + tab), nodes[i]);
    if (nodes[i] instanceof org.w3c.dom.Element)
        formatXML(document, (org.w3c.dom.Element) nodes[i], "  " + tab);
...

TransformerFactory factory = TransformerFactory.newInstance();
DOMSource xslSource = new DOMSource(xsl);
Templates t = factory.newTemplates(xslSource);
Transformer transformer = t.newTransformer();
return formatXML(xml, transformer);