write Xml DOM Node

  
import java.io.OutputStream;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Node;

/**
 * 
 * 
 * @author Costin Manolache
 */
public class Main {
  public static void writeXml(Node n, OutputStream os) throws TransformerException {
    TransformerFactory tf = TransformerFactory.newInstance();
    // identity
    Transformer t = tf.newTransformer();
    t.setOutputProperty(OutputKeys.INDENT, "yes");
    t.transform(new DOMSource(n), new StreamResult(os));
  }
}