Class DomElement

src/main/java/org/htmlunit/html/DomElement.java:77–1695

@author Ahmed Ashour @author Marc Guillemot @author Tom Anderson @author Ronald Brill @author Frank Danek @author Sven Strickroth

 * @author Sven Strickroth
 */
public class DomElement extends DomNamespaceNode implements Element {

    private static final Log LOG = LogFactory.getLog(DomElement.class);

    /** id. */
    public static final String ID_ATTRIBUTE = "id";

    /** name. */
    public static final String NAME_ATTRIBUTE = "name";

    /** src. */
    public static final String SRC_ATTRIBUTE = "src";

    /** value. */
    public static final String VALUE_ATTRIBUTE = "value";

    /** type. */
    public static final String TYPE_ATTRIBUTE = "type";

    /** Constant meaning that the specified attribute was not defined. */
    public static final String ATTRIBUTE_NOT_DEFINED = new String("");

    /** Constant meaning that the specified attribute was found but its value was empty. */
    public static final String ATTRIBUTE_VALUE_EMPTY = new String();

    /** The map holding the attributes, keyed by name. */
    private NamedAttrNodeMapImpl attributes_;

    /** The map holding the namespaces, keyed by URI. */
    private FastHashMap<String, String> namespaces_;

    /** Cache for the styles. */
    private String styleString_;
    private LinkedHashMap<String, StyleElement> styleMap_;

    private static final Comparator<StyleElement> STYLE_ELEMENT_COMPARATOR =
            (first, second) -> StyleElement.compareToByImportanceAndSpecificity(first, second);

    /**
     * Whether the Mouse is currently over this element or not.
     */
    private boolean mouseOver_;

    /**
     * Creates an instance of a DOM element that can have a namespace.
     *
     * @param namespaceURI the URI that identifies an XML namespace
     * @param qualifiedName the qualified name of the element type to instantiate
     * @param page the page that contains this element
     * @param attributes a map ready initialized with the attributes for this element, or
     *        {@code null}. The map will be stored as is, not copied.
     */
    public DomElement(final String namespaceURI, final String qualifiedName, final SgmlPage page,
            final Map<String, DomAttr> attributes) {
        super(namespaceURI, qualifiedName, page);

        if (attributes == null) {
            attributes_ = new NamedAttrNodeMapImpl(this, isAttributeCaseSensitive());