Examples with XPathExpression org.jdom2.xpath.XPathExpression used on opensource projects

Example 41 with XPathExpression

use of org.jdom2.xpath.XPathExpression in project mycore by MyCoRe-Org.

the class MCRMoveToRelatedItemIfExists method getRelatedItemIfExists.

Element getRelatedItemIfExists(Element parent) {
    XPathExpression<Element> xPath = XPathFactory.instance().compile(xPathOfRelatedItem, Filters.element(), null, MCRConstants.getStandardNamespaces());
    Element fixedParent = xPath.evaluateFirst(parent);
    return fixedParent != null ? fixedParent : parent;
}

Example 42 with XPathExpression

use of org.jdom2.xpath.XPathExpression in project mycore by MyCoRe-Org.

the class MCRXMLFunctions method getTreeByPath.

/**
 * The method return a org.w3c.dom.NodeList as subpath of the doc input
 * NodeList selected by a path as String.
 *
 * @param doc
 *            the input org.w3c.dom.Nodelist
 * @param path
 *            the path of doc as String
 * @return a subpath of doc selected by path as org.w3c.dom.NodeList
 */
public static NodeList getTreeByPath(NodeList doc, String path) {
    NodeList n = null;
    DocumentBuilder documentBuilder = MCRDOMUtils.getDocumentBuilderUnchecked();
    try {
        // build path selection
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile(path);
        // select part
        Document document = documentBuilder.newDocument();
        if (doc.item(0).getNodeName().equals("#document")) {
            // LOGGER.debug("NodeList is a document.");
            Node child = doc.item(0).getFirstChild();
            if (child != null) {
                Node node = doc.item(0).getFirstChild();
                Node imp = document.importNode(node, true);
                document.appendChild(imp);
            } else {
                document.appendChild(doc.item(0));
            }
        }
        n = (NodeList) expr.evaluate(document, XPathConstants.NODESET);
    } catch (Exception e) {
        LOGGER.error("Error while getting tree by path {}", path, e);
    } finally {
        MCRDOMUtils.releaseDocumentBuilder(documentBuilder);
    }
    return n;
}

Example 43 with XPathExpression

use of org.jdom2.xpath.XPathExpression in project mycore by MyCoRe-Org.

the class MCRRestAPIObjectsHelper method createXMLForSubdirectories.

private static void createXMLForSubdirectories(MCRPath mcrPath, Element currentElement, int currentDepth, int maxDepth) {
    if (currentDepth < maxDepth) {
        XPathExpression<Element> xp = XPathFactory.instance().compile("./children/child[@type='directory']", Filters.element());
        for (Element e : xp.evaluate(currentElement)) {
            String name = e.getChildTextNormalize("name");
            try {
                MCRPath pChild = (MCRPath) mcrPath.resolve(name);
                Document doc = MCRPathXML.getDirectoryXML(pChild);
                Element eChildren = doc.getRootElement().getChild("children");
                if (eChildren != null) {
                    e.addContent(eChildren.detach());
                    createXMLForSubdirectories(pChild, e, currentDepth + 1, maxDepth);
                }
            } catch (IOException ex) {
            // ignore
            }
        }
    }
}

Example 44 with XPathExpression

use of org.jdom2.xpath.XPathExpression in project mycore by MyCoRe-Org.

the class MCRURNObjectXPathMetadataManager method getIdentifier.

@Override
public Optional<MCRPersistentIdentifier> getIdentifier(MCRBase obj, String additional) throws MCRPersistentIdentifierException {
    String xpath = getProperties().get("Xpath");
    Document xml = obj.createXML();
    XPathFactory xpfac = XPathFactory.instance();
    XPathExpression<Text> xp = xpfac.compile(xpath, Filters.text());
    List<Text> evaluate = xp.evaluate(xml);
    if (evaluate.size() > 1) {
        throw new MCRPersistentIdentifierException("Got " + evaluate.size() + " matches for " + obj.getId() + " with xpath " + xpath + "");
    }
    if (evaluate.size() == 0) {
        return Optional.empty();
    }
    Text identifierText = evaluate.listIterator().next();
    String identifierString = identifierText.getTextNormalize();
    Optional<MCRDNBURN> parsedIdentifierOptional = PARSER.parse(identifierString);
    return parsedIdentifierOptional.map(MCRPersistentIdentifier.class::cast);
}

Example 45 with XPathExpression

use of org.jdom2.xpath.XPathExpression in project mycore by MyCoRe-Org.

the class MCRURNResolver method resolve.

@Override
public Stream<String> resolve(MCRDNBURN identifier) throws MCRIdentifierUnresolvableException {
    Document pidefDocument = MCRDNBPIDefProvider.get(identifier);
    XPathExpression<Element> compile = XPathFactory.instance().compile(".//pidef:resolving_information/pidef:url_info/pidef:url", Filters.element(), null, MCRConstants.PIDEF_NAMESPACE);
    return compile.evaluate(pidefDocument).stream().map(Element::getTextTrim);
}