Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.File;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
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.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {

    public static void main(String[] args) throws Exception {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setNamespaceAware(true);
        DocumentBuilder db = dbf.newDocumentBuilder();

        File file1 = new File("input1.xml");
        Document doc1 = db.parse(file1);
        Element rootElement1 = doc1.getDocumentElement();

        File file2 = new File("input2.xml");
        Document doc2 = db.parse(file2);
        Element rootElement2 = doc2.getDocumentElement();

        // Copy Child Nodes
        NodeList childNodes2 = rootElement2.getChildNodes();
        for (int x = 0; x < childNodes2.getLength(); x++) {
            Node importedNode = doc1.importNode(childNodes2.item(x), true);
            if (importedNode.getNodeType() == Node.ELEMENT_NODE) {
                Element importedElement = (Element) importedNode;
                // Copy Attributes
                NamedNodeMap namedNodeMap2 = rootElement2.getAttributes();
                for (int y = 0; y < namedNodeMap2.getLength(); y++) {
                    Attr importedAttr = (Attr) doc1.importNode(namedNodeMap2.item(y), true);
                    importedElement.setAttributeNodeNS(importedAttr);
                }
            }
            rootElement1.appendChild(importedNode);
        }

        // Output Document
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer t = tf.newTransformer();
        DOMSource source = new DOMSource(doc1);
        StreamResult result = new StreamResult(System.out);
        t.transform(source, result);
    }

}