Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.LinkedList;
import java.util.List;

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Find all descendant elements with a given name, for a parent element.
     * @param e
     * @param name
     * @return
     */
    public static List<Element> findDescendantsByName(Element e, String name) {
        List<Element> result = new LinkedList<Element>();
        findDescendantsByName(e, name, result);
        return result;
    }

    private static void findDescendantsByName(Element e, String name, List<Element> list) {
        if (e.getLocalName().equals(name))
            list.add(e);
        for (Element e1 : getChildElements(e))
            findDescendantsByName(e1, name, list);
    }

    /**
     * Get all direct child elements of a parent element.
     * @param e
     * @return
     */
    public static List<Element> getChildElements(Element e) {
        return getChildElements(e, null);
    }

    /**
     * Get all direct child elements with a given name, for a parent element.
     * @param e
     * @return
     */
    public static List<Element> getChildElements(Element e, String name) {
        if (e == null)
            return null;
        List<Element> result = new LinkedList<Element>();
        NodeList list = e.getChildNodes();
        for (int i = 0; i < list.getLength(); i++) {
            Node n = list.item(i);
            if (n instanceof Element) {
                if (name == null || name.equals(((Element) n).getLocalName())
                        || ((Element) n).getLocalName().endsWith(":" + name)) {
                    result.add((Element) n);
                }
            }
        }
        return result;
    }
}