Copying a Subtree of Nodes in a DOM Document : DOM Tree « XML « Java Tutorial


import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

public class Main {
  public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();


    Document doc = factory.newDocumentBuilder().parse(new File("filename"));
    NodeList list = doc.getElementsByTagName("entry");
    Element element = (Element) list.item(0);

    Element dup = (Element) element.cloneNode(true);

    element.getParentNode().insertBefore(dup, element.getNextSibling());

33.4.DOM Tree
33.4.1.Creating a new DOM tree
33.4.2.Create new DOM tree with fully qualified element names
33.4.3.Custom complex filters for selecting nodes
33.4.4.Traverse the DOM tree as a list
33.4.5.Traverse the DOM tree using TreeWalker
33.4.6.Accessing different types of DOM tree nodes
33.4.7.Reading a DOM tree from XML document
33.4.8.Using ranges in DOM tree
33.4.9.Copying a Subtree of Nodes in a DOM Document
33.4.10.Copying a Subtree of Nodes from One DOM Document to Another
33.4.11.Get this Document's root node
33.4.12.Generates a DOM from scratch. Writes the DOM to a String using an LSSerializer.
33.4.13.Print Tree node
33.4.14.Traverse a DOM tree in order to print a document that is parsed