Java Utililty Methods XML Document Print

String printDocument(File file)
print Document

BufferedReader br = new BufferedReader(new FileReader(file));
String line = null, fileContent = "";
while ((line = br.readLine()) != null) {
 fileContent += line + "--";
return fileContent;

void printDocument(final Document doc)
print Document

try {
 final TransformerFactory tf = TransformerFactory.newInstance();
 Transformer transformer;
 transformer = tf.newTransformer();
 transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
 transformer.setOutputProperty(OutputKeys.METHOD, "xml");
 transformer.setOutputProperty(OutputKeys.INDENT, "yes");
 transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
...

void printDocument(Node _docOrNode, OutputStream _outStream)
Dump a Document or Node -compatible object to the given OutputStream (e.g.

if (_docOrNode == null || _outStream == null) {
 throw new IOException("Cannot print (on) 'null' object");
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer;
try {
 transformer = tf.newTransformer();
 transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
...

String printDocument(Node doc)
print Document

TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
transformer.setOutputProperty(OutputKeys.METHOD, "xml");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
StringWriter sw = new StringWriter();
...

void printDocumentToStdout(final Document document)
print Document To Stdout

final Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
final StreamResult result = new StreamResult(new StringWriter());
final DOMSource source = new DOMSource(document);
transformer.transform(source, result);
final String xmlString = result.getWriter().toString();
System.out.println(xmlString);

void printDocumentTree(Node el)
print Document Tree

System.out.println(el.toString());
for (int i = 0; i < el.getChildNodes().getLength(); i++)
 printDocumentTree(el.getChildNodes().item(i));

void printDOM(File file, Document doc, String encoding)
print DOM

printDOM(file != null ? new FileOutputStream(file) : System.out, doc, encoding);
System.err.println("File " + file + " written.");

void printElements(Document doc)
print Elements

NodeList nodelist = doc.getElementsByTagName("*");
Node node;
for (int i = 0; i < nodelist.getLength(); i++) {
 node = nodelist.item(i);
 System.out.print(node.getNodeName() + " ");
System.out.println();

String printElements(Document dom)
print Elements

if (dom == null)
 return null;
StringBuffer sb = new StringBuffer();
walkNodes(dom, sb, "");
return sb.toString();

void printPI(Document doc, PrintStream pstrm)
print PI

NodeList nodes = doc.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
 Node node = nodes.item(i);
 if (node instanceof ProcessingInstruction) {
 ProcessingInstruction pi = (ProcessingInstruction) node;
 pstrm.println("<?" + pi.getTarget() + " " + pi.getData() + "?>");