Examples with DocumentTraversal org.w3c.dom.traversal.DocumentTraversal used on opensource projects

Example 1 with DocumentTraversal

use of org.w3c.dom.traversal.DocumentTraversal in project webtools.sourceediting by eclipse.

the class AbstractStyleSheetAdapter method styleChanged.

/**
 * @param srcModel com.ibm.sed.css.model.interfaces.ICSSModel
 * @param removed com.ibm.sed.css.model.interfaces.ICSSSelector[]
 * @param added com.ibm.sed.css.model.interfaces.ICSSSelector[]
 * @param media java.lang.String
 */
public void styleChanged(ICSSModel srcModel, ICSSSelector[] removed, ICSSSelector[] added, String media) {
    Element element = getElement();
    if (element == null)
        // might released
        return;
    Document doc = element.getOwnerDocument();
    if (doc == null)
        // error
        return;
    // to notify GEF tree
    if (doc instanceof INodeNotifier) {
        Collection adapters = ((INodeNotifier) doc).getAdapters();
        if (adapters == null)
            return;
        Iterator it = adapters.iterator();
        if (it == null)
            return;
        while (it.hasNext()) {
            INodeAdapter adapter = (INodeAdapter) it.next();
            if (adapter instanceof ICSSStyleListener) {
                ((ICSSStyleListener) adapter).styleChanged(srcModel, removed, added, media);
            }
        }
    }
    if (styleChangedNodes == null) {
        styleChangedNodes = new HashSet();
    }
    try {
        int removedSelNum = removed != null ? removed.length : 0;
        int addedSelNum = added != null ? added.length : 0;
        NodeIterator iter = ((DocumentTraversal) doc).createNodeIterator(doc, NodeFilter.SHOW_ELEMENT, null, true);
        Node node;
        while ((node = iter.nextNode()) != null) {
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                Element elm = (Element) node;
                boolean match = false;
                int i;
                for (i = 0; i < removedSelNum && !match; i++) {
                    match = removed[i].match(elm, null);
                }
                for (i = 0; i < addedSelNum && !match; i++) {
                    match = added[i].match(elm, null);
                }
                if (match) {
                    if (!styleChangedNodes.contains(elm))
                        styleChangedNodes.add(elm);
                // notifyStyleChanged(elm);
                }
            }
        }
    } catch (ClassCastException ex) {
    // Document doesn't implement DocumentTraversal...
    }
}

Example 2 with DocumentTraversal

use of org.w3c.dom.traversal.DocumentTraversal in project cloudstack by apache.

the class HypervisorHostHelper method removeOVFNetwork.

public static String removeOVFNetwork(final String ovfString) {
    if (ovfString == null || ovfString.isEmpty()) {
        return ovfString;
    }
    try {
        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        final Document doc = factory.newDocumentBuilder().parse(new ByteArrayInputStream(ovfString.getBytes()));
        final DocumentTraversal traversal = (DocumentTraversal) doc;
        final NodeIterator iterator = traversal.createNodeIterator(doc.getDocumentElement(), NodeFilter.SHOW_ELEMENT, null, true);
        for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode()) {
            final Element e = (Element) n;
            if ("NetworkSection".equals(e.getTagName())) {
                if (e.getParentNode() != null) {
                    e.getParentNode().removeChild(e);
                }
            } else if ("rasd:Connection".equals(e.getTagName())) {
                if (e.getParentNode() != null && e.getParentNode().getParentNode() != null) {
                    e.getParentNode().getParentNode().removeChild(e.getParentNode());
                }
            }
        }
        final DOMSource domSource = new DOMSource(doc);
        final StringWriter writer = new StringWriter();
        final StreamResult result = new StreamResult(writer);
        final TransformerFactory tf = TransformerFactory.newInstance();
        final Transformer transformer = tf.newTransformer();
        transformer.transform(domSource, result);
        return writer.toString();
    } catch (SAXException | IOException | ParserConfigurationException | TransformerException e) {
        s_logger.warn("Unexpected exception caught while removing network elements from OVF:", e);
    }
    return ovfString;
}