Java Utililty Methods Swing HTML

List of utility methods to do Swing HTML

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Description

The list of methods to do Swing HTML are organized into topic(s).

Method

voidaddToContentModels(DTD dtd, Element existing, Element alt)
Add element to a DTD. 
for (Enumeration<Element> els = dtd.elementHash.elements(); els.hasMoreElements();) {
    ContentModel c = ((Element) els.nextElement()).content;
    if (c != null)
        add(c, existing, alt);
booleancontainsAttribute(Element element, Object name, Object value)
contains Attribute 
if (element == null) {
    return false;
Object attribute = element.getAttributes().getAttribute(name);
if (attribute == null) {
    return containsAttribute(element.getParentElement(), name, value);
return value.equals(attribute.toString());
...
ElementfindElementDown(final String name, final Element parent)
find the first occurrence of an Element in the element tree below a given Element 
Element foundElement = null;
final ElementIterator eli = new ElementIterator(parent);
Element thisElement = eli.first();
while (thisElement != null && foundElement == null) {
    if (thisElement.getName().equalsIgnoreCase(name)) {
        foundElement = thisElement;
    thisElement = eli.next();
...
ElementfindElementUp(final String name1, final String name2, final Element start)
find the first occurrence of an Element in the element tree above a given Element 
Element elem = start;
while (elem != null
        && !(elem.getName().equalsIgnoreCase(name1) || elem.getName().equalsIgnoreCase(name2))) {
    elem = elem.getParentElement();
return elem;
ElementfindLinkElementUp(Element elem)
find the next link attribute from a given element upwards through the element hierarchy 
Element e = null;
Object linkAttr = null;
Object href = null;
while ((elem != null) && (linkAttr == null)) {
    e = elem;
    linkAttr = elem.getAttributes().getAttribute(HTML.Tag.A);
    if (linkAttr != null) {
        href = ((AttributeSet) linkAttr).getAttribute(HTML.Attribute.HREF);
...
ObjectfindLinkUp(Element elem)
find the next link attribute from a given element upwards through the element hierarchy 
Object linkAttr = null; 
Object href = null;
while ((elem != null) && (linkAttr == null)) {
    linkAttr = elem.getAttributes().getAttribute(HTML.Tag.A);
    if (linkAttr != null) {
        href = ((AttributeSet) linkAttr).getAttribute(HTML.Attribute.HREF);
    elem = elem.getParentElement();
...
StringgetHTMLFromXML(String xml, URL xsl)
Converts an XML file to a formatted HTML output via an XSLT definition. 
try {
    Source xmlDoc = new StreamSource(new StringReader(xml));
    Source xslDoc = new StreamSource(xsl.openStream());
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    TransformerFactory tFactory = TransformerFactory.newInstance();
    Transformer transformer = tFactory.newTransformer(xslDoc);
    transformer.transform(xmlDoc, new StreamResult(baos));
    String html = baos.toString(StandardCharsets.UTF_8.name());
...
ListgetImgs(final String html)
get Imgs 
final List<String> imgs = new LinkedList<String>();
if (null == html || html.isEmpty()) {
    return imgs;
final Reader r = new StringReader(html);
ParserDelegator pd = new ParserDelegator();
pd.parse(r, new HTMLEditorKit.ParserCallback() {
    public void handleSimpleTag(Tag t, MutableAttributeSet a, int pos) {
...
intgetRowIndex(final Element cell)
get the row index for a given table cell 
final Element thisRow = cell.getParentElement();
final Element table = thisRow.getParentElement();
int index = 0;
final int count = table.getElementCount();
Element elem = table.getElement(index);
while (!elem.equals(thisRow) && index < count) {
    elem = table.getElement(++index);
return index;
booleanhasClass(AttributeSet attr, String className)
has Class 
String classValue = (String) attr.getAttribute(Attribute.CLASS);
if (classValue == null) {
    return false;
String[] classNames = classValue.split(" ");
for (String c : classNames) {
    if (c.equals(className)) {
        return true;
...