Java tutorial
//package com.java2s; import java.io.OutputStreamWriter; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.w3c.dom.Text; public class Main { public static void nodeSubUpdate(Element root, String table, String queryType, String queryValue) { Node find = getTag(root, table); Document doc = find.getOwnerDocument(); NodeList nl = find.getChildNodes(); int numnodes = nl.getLength(); System.out.println("length : " + numnodes); Node replNode = null; for (int i = 0; i < numnodes; i++) { Node n = nl.item(i); String name = n.getNodeName(); if (name.equals(queryType)) { replNode = n; System.out.println("Finding Node : " + replNode.getNodeName()); break; } } Element type = doc.createElement(queryType); Text value = doc.createTextNode(queryValue); type.appendChild(value); find.replaceChild(type, replNode); print(doc); } public static Node getTag(Element root, String tagName) { NodeList list = root.getElementsByTagName(tagName); for (int loop = 0; loop < list.getLength(); loop++) { Node node = list.item(loop); System.out.println("nodeName : " + node.getNodeName() + ":::::" + node.getNodeType()); if (node.getNodeName().equals(tagName)) { return node; } } return null; } public static void print(Document doc) { try { TransformerFactory tFactory = TransformerFactory.newInstance(); Transformer transformer = tFactory.newTransformer(); transformer.setOutputProperty("encoding", "utf-8"); transformer.transform(new DOMSource(doc), new StreamResult(new OutputStreamWriter(System.out, "utf-8"))); } catch (Exception e) { e.printStackTrace(); } } }