Java Code Examples for com.gargoylesoftware.htmlunit.html.DomNode#getPage()

/**
 * Inserts the given text into the element at the specified location.
 * @param where specifies where to insert the text, using one of the following values (case-insensitive):
 *      beforebegin, afterbegin, beforeend, afterend
 * @param text the text to insert
 *
 * @see <a href="http://msdn.microsoft.com/en-us/library/ie/ms536453.aspx">MSDN</a>
 */
@JsxFunction({CHROME, FF, FF68, FF60})
public void insertAdjacentText(final String where, final String text) {
    final Object[] values = getInsertAdjacentLocation(where);
    final DomNode node = (DomNode) values[0];
    final boolean append = ((Boolean) values[1]).booleanValue();

    final DomText domText = new DomText(node.getPage(), text);
    // add the new nodes
    if (append) {
        node.appendChild(domText);
    }
    else {
        node.insertBefore(domText);
    }
}
 

private ScriptResult executeEventHandler(final Event event, final Object[] propHandlerArgs) {
    final DomNode node = jsNode_.getDomNodeOrNull();
    // some event don't apply on all kind of nodes, for instance "blur"
    if (node != null && !node.handles(event)) {
        return null;
    }
    final Function handler = getEventHandler(event.getType());
    if (handler != null) {
        event.setCurrentTarget(jsNode_);
        final HtmlPage page = (HtmlPage) (node != null
                ? node.getPage()
                : jsNode_.getWindow().getWebWindow().getEnclosedPage());
        if (LOG.isDebugEnabled()) {
            LOG.debug("Executing " + event.getType() + " handler for " + node);
        }
        return page.executeJavaScriptFunction(handler, jsNode_,
                propHandlerArgs, page);
    }
    return null;
}
 

/**
 * Inserts the given text into the element at the specified location.
 * @param where specifies where to insert the text, using one of the following values (case-insensitive):
 *      beforebegin, afterbegin, beforeend, afterend
 * @param text the text to insert
 *
 * @see <a href="http://msdn.microsoft.com/en-us/library/ie/ms536453.aspx">MSDN</a>
 */
@JsxFunction({CHROME, FF52})
public void insertAdjacentText(final String where, final String text) {
    final Object[] values = getInsertAdjacentLocation(where);
    final DomNode node = (DomNode) values[0];
    final boolean append = ((Boolean) values[1]).booleanValue();

    final DomText domText = new DomText(node.getPage(), text);
    // add the new nodes
    if (append) {
        node.appendChild(domText);
    }
    else {
        node.insertBefore(domText);
    }
}
 

/**
 * Sets the {@code text} attribute.
 * @param text the {@code text} attribute
 */
@JsxSetter
public void setText(final String text) {
    final DomNode htmlElement = getDomNodeOrDie();
    DomNode firstChild = htmlElement.getFirstChild();
    if (firstChild == null) {
        firstChild = new DomText(htmlElement.getPage(), text);
        htmlElement.appendChild(firstChild);
    }
    else {
        firstChild.setNodeValue(text);
    }
}
 

/**
 * Initialize the parent scope of a newly created scriptable.
 * @param domNode the DOM node for the script object
 * @param scriptable the script object to initialize
 */
protected void initParentScope(final DomNode domNode, final SimpleScriptable scriptable) {
    final SgmlPage page = domNode.getPage();
    final WebWindow enclosingWindow = page.getEnclosingWindow();
    if (enclosingWindow != null && enclosingWindow.getEnclosedPage() == page) {
        scriptable.setParentScope(enclosingWindow.getScriptableObject());
    }
    else {
        scriptable.setParentScope(ScriptableObject.getTopLevelScope(page.getScriptableObject()));
    }
}
 

/**
 * Returns the value of the node.
 * @return the value of the node
 */
@JsxGetter(IE)
public Object getText() {
    final DomNode node = getDomNodeOrDie();
    if (node.getPage() instanceof XmlPage) {
        return ((DomText) node).getWholeText();
    }
    return Undefined.instance;
}
 

private void transform(final Node source, final DomNode parent) {
    final Object result = transform(source);
    if (result instanceof org.w3c.dom.Node) {
        final SgmlPage parentPage = parent.getPage();
        final NodeList children = ((org.w3c.dom.Node) result).getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            XmlUtil.appendChild(parentPage, parent, children.item(i), true);
        }
    }
    else {
        final DomText text = new DomText(parent.getPage(), (String) result);
        parent.appendChild(text);
    }
}
 

/**
 * Initialize the parent scope of a newly created scriptable.
 * @param domNode the DOM node for the script object
 * @param scriptable the script object to initialize
 */
protected void initParentScope(final DomNode domNode, final SimpleScriptable scriptable) {
    final SgmlPage page = domNode.getPage();
    final WebWindow enclosingWindow = page.getEnclosingWindow();
    if (enclosingWindow != null && enclosingWindow.getEnclosedPage() == page) {
        scriptable.setParentScope((Scriptable) enclosingWindow.getScriptableObject());
    }
    else {
        scriptable.setParentScope(ScriptableObject.getTopLevelScope((Scriptable) page.getScriptableObject()));
    }
}
 

private void transform(final XMLDOMNode source, final DomNode parent) {
    final Object result = transform(source);
    if (result instanceof org.w3c.dom.Node) {
        final SgmlPage parentPage = parent.getPage();
        final NodeList children = ((org.w3c.dom.Node) result).getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            XmlUtils.appendChild(parentPage, parent, children.item(i), false);
        }
    }
    else {
        final DomText text = new DomText(parent.getPage(), (String) result);
        parent.appendChild(text);
    }
}
 

private void transform(final XMLDOMNode source, final DomNode parent) {
    final Object result = transform(source);
    if (result instanceof org.w3c.dom.Node) {
        final SgmlPage parentPage = parent.getPage();
        final NodeList children = ((org.w3c.dom.Node) result).getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            XmlUtil.appendChild(parentPage, parent, children.item(i), false);
        }
    }
    else {
        final DomText text = new DomText(parent.getPage(), (String) result);
        parent.appendChild(text);
    }
}
 

/**
 * Sets the {@code text} attribute.
 * @param text the {@code text} attribute
 */
@JsxSetter
public void setText(final String text) {
    final DomNode htmlElement = getDomNodeOrDie();
    DomNode firstChild = htmlElement.getFirstChild();
    if (firstChild == null) {
        firstChild = new DomText(htmlElement.getPage(), text);
        htmlElement.appendChild(firstChild);
    }
    else {
        firstChild.setNodeValue(text);
    }
}
 

/**
 * Returns the value of the node.
 * @return the value of the node
 */
@JsxGetter(IE)
public Object getText() {
    final DomNode node = getDomNodeOrDie();
    if (node.getPage() instanceof XmlPage) {
        return ((DomText) node).getWholeText();
    }
    return Undefined.instance;
}
 

private void transform(final Node source, final DomNode parent) {
    final Object result = transform(source);
    if (result instanceof org.w3c.dom.Node) {
        final SgmlPage parentPage = parent.getPage();
        final NodeList children = ((org.w3c.dom.Node) result).getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            XmlUtils.appendChild(parentPage, parent, children.item(i), true);
        }
    }
    else {
        final DomText text = new DomText(parent.getPage(), (String) result);
        parent.appendChild(text);
    }
}
 

/**
 * Parses the HTML content from the given string into an object tree representation.
 *
 * @param parent where the new parsed nodes will be added to
 * @param context the context to build the fragment context stack
 * @param source the (X)HTML to be parsed
 * @throws SAXException if a SAX error occurs
 * @throws IOException if an IO error occurs
 */
@Override
public void parseFragment(final DomNode parent, final DomNode context, final String source)
    throws SAXException, IOException {
    final Page page = parent.getPage();
    if (!(page instanceof HtmlPage)) {
        return;
    }
    final HtmlPage htmlPage = (HtmlPage) page;
    final URL url = htmlPage.getUrl();

    final HtmlUnitNekoDOMBuilder domBuilder = new HtmlUnitNekoDOMBuilder(this, parent, url, source);
    domBuilder.setFeature("http://cyberneko.org/html/features/balance-tags/document-fragment", true);
    // build fragment context stack
    DomNode node = context;
    final List<QName> ancestors = new ArrayList<>();
    while (node != null && node.getNodeType() != Node.DOCUMENT_NODE) {
        ancestors.add(0, new QName(null, node.getNodeName(), null, null));
        node = node.getParentNode();
    }
    if (ancestors.isEmpty() || !"html".equals(ancestors.get(0).localpart)) {
        ancestors.add(0, new QName(null, "html", null, null));
    }
    if (ancestors.size() == 1 || !"body".equals(ancestors.get(1).localpart)) {
        ancestors.add(1, new QName(null, "body", null, null));
    }

    domBuilder.setFeature(HTMLScanner.ALLOW_SELFCLOSING_TAGS, true);
    domBuilder.setProperty(HTMLTagBalancer.FRAGMENT_CONTEXT_STACK, ancestors.toArray(new QName[ancestors.size()]));

    final XMLInputSource in = new XMLInputSource(null, url.toString(), null, new StringReader(source), null);

    htmlPage.registerParsingStart();
    htmlPage.registerSnippetParsingStart();
    try {
        domBuilder.parse(in);
    }
    finally {
        htmlPage.registerParsingEnd();
        htmlPage.registerSnippetParsingEnd();
    }
}
 

/**
 * Replaces this element (including all child elements) with the supplied value.
 * @param value the new value for replacing this element
 */
@JsxSetter({CHROME, FF})
public void setOuterHTML(final Object value) {
    final DomNode domNode = getDomNodeOrDie();
    final DomNode parent = domNode.getParentNode();
    if (null == parent) {
        if (getBrowserVersion().hasFeature(JS_OUTER_HTML_REMOVES_CHILDREN_FOR_DETACHED)) {
            domNode.removeAllChildren();
        }
        if (getBrowserVersion().hasFeature(JS_OUTER_HTML_THROWS_FOR_DETACHED)) {
            throw Context.reportRuntimeError("outerHTML is readonly for detached nodes");
        }
        return;
    }

    if (value == null && !getBrowserVersion().hasFeature(JS_OUTER_HTML_NULL_AS_STRING)) {
        domNode.remove();
        return;
    }
    final String valueStr = Context.toString(value);
    if (valueStr.isEmpty()) {
        domNode.remove();
        return;
    }

    final DomNode nextSibling = domNode.getNextSibling();
    domNode.remove();

    final DomNode target;
    final boolean append;
    if (nextSibling != null) {
        target = nextSibling;
        append = false;
    }
    else {
        target = parent;
        append = true;
    }

    final DomNode proxyDomNode = new ProxyDomNode(target.getPage(), target, append);
    parseHtmlSnippet(proxyDomNode, valueStr);
}
 

/**
 * To be called when the property detection fails in normal scenarios.
 *
 * @param name the name
 * @return the found object, or {@link Scriptable#NOT_FOUND}
 */
public Object getWithFallback(final String name) {
    Object result = NOT_FOUND;

    final DomNode domNode = getDomNodeOrNull();
    if (domNode != null) {

        // May be attempting to retrieve a frame by name.
        final HtmlPage page = (HtmlPage) domNode.getPage();
        result = getFrameWindowByName(page, name);

        if (result == NOT_FOUND) {
            result = getElementsByName(page, name);

            if (result == NOT_FOUND) {
                // May be attempting to retrieve element by ID (try map-backed operation again instead of XPath).
                try {
                    final HtmlElement htmlElement = page.getHtmlElementById(name);
                    if (getBrowserVersion().hasFeature(JS_WINDOW_FRAME_BY_ID_RETURNS_WINDOW)
                            && htmlElement instanceof HtmlFrame) {
                        final HtmlFrame frame = (HtmlFrame) htmlElement;
                        result = getScriptableFor(frame.getEnclosedWindow());
                    }
                    else {
                        result = getScriptableFor(htmlElement);
                    }
                }
                catch (final ElementNotFoundException e) {
                    result = NOT_FOUND;
                }
            }
        }

        if (result instanceof Window) {
            final WebWindow webWindow = ((Window) result).getWebWindow();
            result = getProxy(webWindow);
        }
    }

    return result;
}
 

/**
 * To be called when the property detection fails in normal scenarios.
 *
 * @param name the name
 * @return the found object, or {@link Scriptable#NOT_FOUND}
 */
public Object getWithFallback(final String name) {
    Object result = NOT_FOUND;

    final DomNode domNode = getDomNodeOrNull();
    if (domNode != null) {

        // May be attempting to retrieve a frame by name.
        final HtmlPage page = (HtmlPage) domNode.getPage();
        result = getFrameWindowByName(page, name);

        if (result == NOT_FOUND) {
            result = getElementsByName(page, name);

            if (result == NOT_FOUND) {
                // May be attempting to retrieve element by ID (try map-backed operation again instead of XPath).
                try {
                    final HtmlElement htmlElement = page.getHtmlElementById(name);
                    if (getBrowserVersion().hasFeature(JS_WINDOW_FRAME_BY_ID_RETURNS_WINDOW)
                            && htmlElement instanceof HtmlFrame) {
                        final HtmlFrame frame = (HtmlFrame) htmlElement;
                        result = getScriptableFor(frame.getEnclosedWindow());
                    }
                    else {
                        result = getScriptableFor(htmlElement);
                    }
                }
                catch (final ElementNotFoundException e) {
                    result = NOT_FOUND;
                }
            }
        }

        if (result instanceof Window) {
            final WebWindow webWindow = ((Window) result).getWebWindow();
            result = getProxy(webWindow);
        }
    }

    return result;
}
 

/**
 * Replaces this element (including all child elements) with the supplied value.
 * @param value the new value for replacing this element
 */
@JsxSetter({CHROME, FF, FF68, FF60})
public void setOuterHTML(final Object value) {
    final DomNode domNode = getDomNodeOrDie();
    final DomNode parent = domNode.getParentNode();
    if (null == parent) {
        if (getBrowserVersion().hasFeature(JS_OUTER_HTML_REMOVES_CHILDREN_FOR_DETACHED)) {
            domNode.removeAllChildren();
        }
        if (getBrowserVersion().hasFeature(JS_OUTER_HTML_THROWS_FOR_DETACHED)) {
            throw Context.reportRuntimeError("outerHTML is readonly for detached nodes");
        }
        return;
    }

    if (value == null && !getBrowserVersion().hasFeature(JS_OUTER_HTML_NULL_AS_STRING)) {
        domNode.remove();
        return;
    }
    final String valueStr = Context.toString(value);
    if (valueStr.isEmpty()) {
        domNode.remove();
        return;
    }

    final DomNode nextSibling = domNode.getNextSibling();
    domNode.remove();

    final DomNode target;
    final boolean append;
    if (nextSibling != null) {
        target = nextSibling;
        append = false;
    }
    else {
        target = parent;
        append = true;
    }

    final DomNode proxyDomNode = new ProxyDomNode(target.getPage(), target, append);
    parseHtmlSnippet(proxyDomNode, valueStr);
}
 

/**
 * Parses the given text as HTML or XML and inserts the resulting nodes into the tree in the position given by the
 * position argument.
 * @param position specifies where to insert the nodes, using one of the following values (case-insensitive):
 *        <code>beforebegin</code>, <code>afterbegin</code>, <code>beforeend</code>, <code>afterend</code>
 * @param text the text to parse
 *
 * @see <a href="http://www.w3.org/TR/DOM-Parsing/#methods-2">W3C Spec</a>
 * @see <a href="http://domparsing.spec.whatwg.org/#dom-element-insertadjacenthtml">WhatWG Spec</a>
 * @see <a href="https://developer.mozilla.org/en-US/docs/Web/API/Element.insertAdjacentHTML"
 *      >Mozilla Developer Network</a>
 * @see <a href="http://msdn.microsoft.com/en-us/library/ie/ms536452.aspx">MSDN</a>
 */
@JsxFunction({CHROME, FF})
public void insertAdjacentHTML(final String position, final String text) {
    final Object[] values = getInsertAdjacentLocation(position);
    final DomNode domNode = (DomNode) values[0];
    final boolean append = ((Boolean) values[1]).booleanValue();

    // add the new nodes
    final DomNode proxyDomNode = new ProxyDomNode(domNode.getPage(), domNode, append);
    parseHtmlSnippet(proxyDomNode, text);
}
 

/**
 * Parses the given text as HTML or XML and inserts the resulting nodes into the tree in the position given by the
 * position argument.
 * @param position specifies where to insert the nodes, using one of the following values (case-insensitive):
 *        <code>beforebegin</code>, <code>afterbegin</code>, <code>beforeend</code>, <code>afterend</code>
 * @param text the text to parse
 *
 * @see <a href="http://www.w3.org/TR/DOM-Parsing/#methods-2">W3C Spec</a>
 * @see <a href="http://domparsing.spec.whatwg.org/#dom-element-insertadjacenthtml">WhatWG Spec</a>
 * @see <a href="https://developer.mozilla.org/en-US/docs/Web/API/Element.insertAdjacentHTML"
 *      >Mozilla Developer Network</a>
 * @see <a href="http://msdn.microsoft.com/en-us/library/ie/ms536452.aspx">MSDN</a>
 */
@JsxFunction({CHROME, FF, FF68, FF60})
public void insertAdjacentHTML(final String position, final String text) {
    final Object[] values = getInsertAdjacentLocation(position);
    final DomNode domNode = (DomNode) values[0];
    final boolean append = ((Boolean) values[1]).booleanValue();

    // add the new nodes
    final DomNode proxyDomNode = new ProxyDomNode(domNode.getPage(), domNode, append);
    parseHtmlSnippet(proxyDomNode, text);
}