Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.StringReader;
import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilderFactory;
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.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;

public class Main {
    public static String getXMLData() {
        return "<a><person number='' dept=''><name>myName</name></person></a>";
    }

    public static void main(String[] argv) throws Exception {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        Document doc = factory.newDocumentBuilder().parse(new InputSource(new StringReader(getXMLData())));

        dupAttributes(doc);

        System.out.println(documentToString(doc));

    }

    public static void dupAttributes(Document doc) {
        Element root = doc.getDocumentElement();
        Element personOne = (Element) root.getFirstChild();

        Attr deptAttr = personOne.getAttributeNode("dept");
        personOne.removeAttributeNode(deptAttr);
        String deptString = deptAttr.getValue();
        personOne.setAttribute("dept", deptString + "updated");

        String mailString = personOne.getAttribute("mail");
        personOne.setAttribute("mail", mailString + "updated");

        String titleString = personOne.getAttribute("title");
        //personOne.removeAttribute("title");
        personOne.setAttribute("title", titleString + "updated");
    }

    public static String documentToString(Document document) {
        try {
            TransformerFactory tf = TransformerFactory.newInstance();
            Transformer trans = tf.newTransformer();
            StringWriter sw = new StringWriter();
            trans.transform(new DOMSource(document), new StreamResult(sw));
            return sw.toString();
        } catch (TransformerException tEx) {
            tEx.printStackTrace();
        }
        return null;
    }
}