Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import org.w3c.dom.Attr;
import org.w3c.dom.DOMException;
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 Node appendChildNodes(Node destNode, Node parentNode) {
        if (destNode != null && parentNode != null) {
            destNode.setTextContent("");
            NodeList list = parentNode.getChildNodes();
            if (list != null) {
                for (int i = 0; i < list.getLength(); i++) {
                    Node node = list.item(i);
                    if (node != null) {
                        copyInto(node, destNode);
                    }
                }
            }
        }
        return destNode;
    }

    public static void copyInto(Node src, Node dest) throws DOMException {

        Document factory = dest.getOwnerDocument();

        //Node start = src;
        Node parent = null;
        Node place = src;

        // traverse source tree
        while (place != null) {

            // copy this node
            Node node = null;
            int type = place.getNodeType();
            switch (type) {
            case Node.CDATA_SECTION_NODE: {
                node = factory.createCDATASection(place.getNodeValue());
                break;
            }
            case Node.COMMENT_NODE: {
                node = factory.createComment(place.getNodeValue());
                break;
            }
            case Node.ELEMENT_NODE: {
                Element element = factory.createElement(place.getNodeName());
                node = element;
                NamedNodeMap attrs = place.getAttributes();
                int attrCount = attrs.getLength();
                for (int i = 0; i < attrCount; i++) {
                    Attr attr = (Attr) attrs.item(i);
                    String attrName = attr.getNodeName();
                    String attrValue = attr.getNodeValue();
                    element.setAttribute(attrName, attrValue);
                }
                break;
            }
            case Node.ENTITY_REFERENCE_NODE: {
                node = factory.createEntityReference(place.getNodeName());
                break;
            }
            case Node.PROCESSING_INSTRUCTION_NODE: {
                node = factory.createProcessingInstruction(place.getNodeName(), place.getNodeValue());
                break;
            }
            case Node.TEXT_NODE: {
                node = factory.createTextNode(place.getNodeValue());
                break;
            }
            default: {
                throw new IllegalArgumentException(
                        "can't copy node type, " + type + " (" + place.getNodeName() + ')');
            }
            }
            dest.appendChild(node);

            // iterate over children
            if (place.hasChildNodes()) {
                parent = place;
                place = place.getFirstChild();
                dest = node;
            } else if (parent == null) {
                place = null;
            } else {
                // advance
                place = place.getNextSibling();
                while (place == null && parent != null) {
                    place = parent.getNextSibling();
                    parent = parent.getParentNode();
                    dest = dest.getParentNode();
                }
            }

        }

    }
}