Changing the Name of a DOM Element : DOM Edit « XML « Java Tutorial

1. Java Tutorial
2. XML
3. DOM Edit

import java.io.File;

import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;

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

    factory.setExpandEntityReferences(false);

    Document doc = factory.newDocumentBuilder().parse(new File("filename"));

    Element element = doc.getDocumentElement();
    Element element2 = doc.createElement("newname");
    NamedNodeMap attrs = element.getAttributes();
    for (int i = 0; i < attrs.getLength(); i++) {
      Attr attr2 = (Attr) doc.importNode(attrs.item(i), true);
      element2.getAttributes().setNamedItem(attr2);
    }
    while (element.hasChildNodes()) {
      element2.appendChild(element.getFirstChild());
    }
    element.getParentNode().replaceChild(element2, element);
  }
}