Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import org.w3c.dom.Element;

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

public class Main {
    /**
     * Recursively removes all text nodes containing whitespace only from a document element. Also
     * trims leading and trailing whitespace from text nodes.
     * 
     * @param e The root document element.
     */
    public static void removeWhitespaceNodes(Element e) {
        NodeList children = e.getChildNodes();
        for (int i = children.getLength() - 1; i >= 0; i--) {
            Node child = children.item(i);
            if (child instanceof Text && ((Text) child).getData().trim().length() == 0)
                e.removeChild(child);
            else if (child instanceof Text)
                child.setTextContent(((Text) child).getData().trim());
            else if (child instanceof Element)
                removeWhitespaceNodes((Element) child);
        }
    }
}