Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import org.w3c.dom.*;

import java.util.*;

public class Main {
    /**
     * Returns an iterator over the children of the given element with
     * the given tag name.
     * @param element    The parent element
     * @param tagName    The name of the desired child
     * @return           An interator of children or null if element is null.
     */
    public static Iterator<Element> getChildrenByTagName(Element element, String tagName) {
        if (element == null)
            return null;
        // getElementsByTagName gives the corresponding elements in the whole 
        // descendance. We want only children
        NodeList children = element.getChildNodes();
        ArrayList<Element> goodChildren = new ArrayList<>();
        for (int i = 0; i < children.getLength(); i++) {
            Node currentChild = children.item(i);
            if (currentChild.getNodeType() == Node.ELEMENT_NODE
                    && ((Element) currentChild).getTagName().equals(tagName)) {
                goodChildren.add((Element) currentChild);
            }
        }
        return goodChildren.iterator();
    }
}