Java HTML Jsoup Element isEmptyElement(Node node)

Description

is Empty Element

License

Apache License

Declaration

public static boolean isEmptyElement(Node node) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import org.jsoup.helper.StringUtil;
import org.jsoup.nodes.*;

public class Main {
    public static boolean isEmptyElement(Node node) {
        if (node == null) {
            return false;
        }//from ww  w .java2 s.  com
        if (node instanceof TextNode) {
            return StringUtil.isBlank(((TextNode) node).text());
        }
        if (!(node instanceof Element)) {
            return false;
        }
        boolean isEmptyTag = ((Element) node).tag().isEmpty();
        return !isEmptyTag && hasEmptyChidren(node);
    }

    public static boolean hasEmptyChidren(Node node) {
        if (node.childNodeSize() == 0)
            return true;
        for (Node n : node.childNodes()) {
            if (!(n instanceof TextNode)) {
                return false;
            }

            if (!StringUtil.isBlank(((TextNode) n).text())) {
                return false;
            }
        }
        return true;
    }
}

Related

1. getTextFromNodeIfAvailable(Element doc)
2. getTextFromNodeSelect(Element doc, String location, String locationValue)
3. getTitle(Element el, String[] titles)
4. getUserId(Element authorElement)
5. isChildOf(Element child, Elements possibleParents)
6. markAll(Elements tags)
7. markChildren(Element tag, final String color)
8. printNode(Element root)
9. processCheck(Element ele, Element parent, String dict)