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

Example 11 with XPath

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

the class MCRLayoutUtilities method getPersonalNavigation.

public static org.w3c.dom.Document getPersonalNavigation() throws JDOMException, XPathExpressionException {
    Document navi = getNavi();
    DOMOutputter accessCleaner = new DOMOutputter(new AccessCleaningDOMOutputProcessor());
    org.w3c.dom.Document personalNavi = accessCleaner.output(navi);
    XPath xpath = javax.xml.xpath.XPathFactory.newInstance().newXPath();
    NodeList emptyGroups = (NodeList) xpath.evaluate("/navigation/menu/group[not(item)]", personalNavi, XPathConstants.NODESET);
    for (int i = 0; i < emptyGroups.getLength(); ++i) {
        org.w3c.dom.Element group = (org.w3c.dom.Element) emptyGroups.item(i);
        group.getParentNode().removeChild(group);
    }
    NodeList emptyMenu = (NodeList) xpath.evaluate("/navigation/menu[not(item or group)]", personalNavi, XPathConstants.NODESET);
    for (int i = 0; i < emptyMenu.getLength(); ++i) {
        org.w3c.dom.Element menu = (org.w3c.dom.Element) emptyMenu.item(i);
        menu.getParentNode().removeChild(menu);
    }
    NodeList emptyNodes = (NodeList) xpath.evaluate("//text()[normalize-space(.) = '']", personalNavi, XPathConstants.NODESET);
    for (int i = 0; i < emptyNodes.getLength(); ++i) {
        Node emptyTextNode = emptyNodes.item(i);
        emptyTextNode.getParentNode().removeChild(emptyTextNode);
    }
    personalNavi.normalizeDocument();
    if (LOGGER.isDebugEnabled()) {
        try {
            String encoding = "UTF-8";
            TransformerFactory tf = TransformerFactory.newInstance();
            Transformer transformer = tf.newTransformer();
            transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
            transformer.setOutputProperty(OutputKeys.METHOD, "xml");
            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
            transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
            transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
            ByteArrayOutputStream bout = new ByteArrayOutputStream();
            transformer.transform(new DOMSource(personalNavi), new StreamResult(bout));
            LOGGER.debug("personal navigation: {}", bout.toString(encoding));
        } catch (IllegalArgumentException | TransformerFactoryConfigurationError | TransformerException | UnsupportedEncodingException e) {
            LOGGER.warn("Error while getting debug information.", e);
        }
    }
    return personalNavi;
}

Example 12 with XPath

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

the class MCRDefaultAltoChangeApplier method applyChange.

@Override
public void applyChange(MCRAltoChangeSet changeSet) {
    String derivateID = changeSet.getDerivateID();
    changeSet.getWordChanges().stream().forEach(change -> {
        List<MCRAltoWordChange> list = fileChangeMap.computeIfAbsent(change.getFile(), (k) -> new ArrayList<>());
        list.add(change);
    });
    fileChangeMap.keySet().forEach(file -> {
        LOGGER.info("Open file {} to apply changes!", file);
        MCRPath altoFilePath = MCRPath.getPath(derivateID, file);
        if (!Files.exists(altoFilePath)) {
            LOGGER.warn("Could not find file {} which was referenced by alto change!", altoFilePath);
            throw new MCRException(new IOException("Alto-File " + altoFilePath + " does not exist"));
        }
        Document altoDocument = readALTO(altoFilePath);
        List<MCRAltoWordChange> wordChangesInThisFile = fileChangeMap.get(file);
        wordChangesInThisFile.stream().forEach(wordChange -> {
            String xpath = String.format(Locale.ROOT, "//alto:String[number(@HPOS)=number('%d') and number(@VPOS)=number('%d')]", wordChange.getHpos(), wordChange.getVpos());
            List<Element> wordToChange = XPathFactory.instance().compile(xpath, Filters.element(), null, MCRConstants.ALTO_NAMESPACE).evaluate(altoDocument);
            if (wordToChange.size() != 1) {
                LOGGER.warn("Found {} words to change.", wordToChange.size());
            }
            wordToChange.forEach(word -> {
                word.setAttribute("CONTENT", wordChange.getTo());
                word.setAttribute("WC", "1");
            });
        });
        storeALTO(altoFilePath, altoDocument);
    });
}

Example 13 with XPath

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

the class MCRXEditorTransformer method createEmptyDocumentFromXPath.

private void createEmptyDocumentFromXPath(String xPath) throws JaxenException, JDOMException {
    Element root = createRootElement(xPath);
    editorSession.setEditedXML(new Document(root));
    editorSession.setBreakpoint("Starting with empty XML document");
}

Example 14 with XPath

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

the class MCRBinding method bind.

private void bind(String xPath, boolean buildIfNotExists, String initialValue) throws JaxenException {
    this.xPath = xPath;
    Map<String, Object> variables = buildXPathVariables();
    XPathExpression<Object> xPathExpr = XPathFactory.instance().compile(xPath, Filters.fpassthrough(), variables, MCRConstants.getStandardNamespaces());
    boundNodes.addAll(xPathExpr.evaluate(parent.getBoundNodes()));
    for (Object boundNode : boundNodes) if (!(boundNode instanceof Element || boundNode instanceof Attribute || boundNode instanceof Document))
        throw new RuntimeException("XPath MUST only bind either element, attribute or document nodes: " + xPath);
    LOGGER.debug("Bind to {} selected {} node(s)", xPath, boundNodes.size());
    if (boundNodes.isEmpty() && buildIfNotExists) {
        MCRNodeBuilder builder = new MCRNodeBuilder(variables);
        Object built = builder.buildNode(xPath, initialValue, (Parent) (parent.getBoundNode()));
        LOGGER.debug("Bind to {} generated node {}", xPath, MCRXPathBuilder.buildXPath(built));
        boundNodes.add(built);
        trackNodeCreated(builder.getFirstNodeBuilt());
    }
}

Example 15 with XPath

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

the class MCRSubselectReturnTarget method bindsFirstOrMoreThanOneElement.

private boolean bindsFirstOrMoreThanOneElement(String xPath, MCREditorSession session) throws JaxenException, JDOMException {
    MCRBinding binding = new MCRBinding(xPath, false, session.getRootBinding());
    boolean result = (binding.getBoundNode() instanceof Element) && !xPath.endsWith("]");
    binding.detach();
    return result;
}