Examples with WoodstoxValidationImpl org.apache.cxf.staxutils.validation.WoodstoxValidationImpl used on opensource projects

Example 1 with WoodstoxValidationImpl

use of org.apache.cxf.staxutils.validation.WoodstoxValidationImpl in project cxf by apache.

the class XMLStreamDataReader method validate.

private Element validate(XMLStreamReader input) throws XMLStreamException, IOException {
    DOMSource ds = read(input);
    Element rootElement = null;
    if (ds.getNode() instanceof Document) {
        rootElement = ((Document) ds.getNode()).getDocumentElement();
    } else {
        rootElement = (Element) ds.getNode();
    }
    WoodstoxValidationImpl impl = new WoodstoxValidationImpl();
    XMLStreamWriter nullWriter = null;
    if (impl.canValidate()) {
        nullWriter = StaxUtils.createXMLStreamWriter(new NUllOutputStream());
        impl.setupValidation(nullWriter, message.getExchange().getEndpoint(), message.getExchange().getService().getServiceInfos().get(0));
    }
    // check if the impl can still validate after the setup, possible issue loading schemas or similar
    if (impl.canValidate()) {
        // Can use the MSV libs and woodstox to handle the schema validation during
        // parsing and processing.   Much faster and single traversal
        // filter xop node
        XMLStreamReader reader = StaxUtils.createXMLStreamReader(ds);
        XMLStreamReader filteredReader = StaxUtils.createFilteredReader(reader, new StaxStreamFilter(new QName[] { XOP }));
        StaxUtils.copy(filteredReader, nullWriter);
    } else {
        // MSV not available, use a slower method of cloning the data, replace the xop's, validate
        LOG.fine("NO_MSV_AVAILABLE");
        Element newElement = rootElement;
        if (DOMUtils.hasElementWithName(rootElement, "http://www.w3.org/2004/08/xop/include", "Include")) {
            newElement = (Element) rootElement.cloneNode(true);
            List<Element> elems = DOMUtils.findAllElementsByTagNameNS(newElement, "http://www.w3.org/2004/08/xop/include", "Include");
            for (Element include : elems) {
                Node parentNode = include.getParentNode();
                parentNode.removeChild(include);
                String cid = DOMUtils.getAttribute(include, "href");
                // set the fake base64Binary to validate instead of reading the attachment from message
                parentNode.setTextContent(javax.xml.bind.DatatypeConverter.printBase64Binary(cid.getBytes()));
            }
        }
        try {
            schema.newValidator().validate(new DOMSource(newElement));
        } catch (SAXException e) {
            throw new XMLStreamException(e.getMessage(), e);
        }
    }
    return rootElement;
}