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

Example 1 with XPath

use of org.jdom2.xpath.XPath in project ddf by codice.

the class OpenSearchSource method createResponseFromEntry.

/**
     * Creates a single response from input parameters. Performs XPath operations on the document to
     * retrieve data not passed in.
     *
     * @param entry a single Atom entry
     * @return single response
     * @throws ddf.catalog.source.UnsupportedQueryException
     */
private List<Result> createResponseFromEntry(SyndEntry entry) throws UnsupportedQueryException {
    String id = entry.getUri();
    if (id != null && !id.isEmpty()) {
        id = id.substring(id.lastIndexOf(':') + 1);
    }
    List<SyndContent> contents = entry.getContents();
    List<SyndCategory> categories = entry.getCategories();
    List<Metacard> metacards = new ArrayList<>();
    List<Element> foreignMarkup = entry.getForeignMarkup();
    String relevance = "";
    String source = "";
    for (Element element : foreignMarkup) {
        if (element.getName().equals("score")) {
            relevance = element.getContent(0).getValue();
        }
    }
    //we currently do not support downloading content via an RSS enclosure, this support can be added at a later date if we decide to include it
    for (SyndContent content : contents) {
        MetacardImpl metacard = getMetacardImpl(parseContent(content.getValue(), id));
        metacard.setSourceId(this.shortname);
        String title = metacard.getTitle();
        if (StringUtils.isEmpty(title)) {
            metacard.setTitle(entry.getTitle());
        }
        if (!source.isEmpty()) {
            metacard.setSourceId(source);
        }
        metacards.add(metacard);
    }
    for (int i = 0; i < categories.size() && i < metacards.size(); i++) {
        SyndCategory category = categories.get(i);
        Metacard metacard = metacards.get(i);
        if (StringUtils.isBlank(metacard.getContentTypeName())) {
            ((MetacardImpl) metacard).setContentTypeName(category.getName());
        }
    }
    List<Result> results = new ArrayList<>();
    for (Metacard metacard : metacards) {
        ResultImpl result = new ResultImpl(metacard);
        if (relevance == null || relevance.isEmpty()) {
            LOGGER.debug("couldn't find valid relevance. Setting relevance to 0");
            relevance = "0";
        }
        result.setRelevanceScore(new Double(relevance));
        results.add(result);
    }
    return results;
}

Example 2 with XPath

use of org.jdom2.xpath.XPath in project jspwiki by apache.

the class CleanTextRenderer method getString.

/**
 *  {@inheritDoc}
 */
public String getString() throws IOException {
    StringBuilder sb = new StringBuilder();
    try {
        XPath xp = XPath.newInstance(ALL_TEXT_NODES);
        List nodes = xp.selectNodes(m_document.getDocument());
        for (Iterator i = nodes.iterator(); i.hasNext(); ) {
            Object el = i.next();
            if (el instanceof Text) {
                sb.append(((Text) el).getValue());
            }
        }
    } catch (JDOMException e) {
        log.error("Could not parse XPATH expression");
        throw new IOException(e.getMessage());
    }
    return sb.toString();
}

Example 3 with XPath

use of org.jdom2.xpath.XPath in project jspwiki by apache.

the class WebContainerAuthorizer method isConstrained.

/**
 * <p>
 * Protected method that identifies whether a particular webapp URL is
 * constrained to a particular Role. The resource is considered constrained
 * if:
 * </p>
 * <ul>
 * <li>the web application deployment descriptor contains a
 * <code>security-constraint</code> with a child
 * <code>web-resource-collection/url-pattern</code> element matching the
 * URL, <em>and</em>:</li>
 * <li>this constraint also contains an
 * <code>auth-constraint/role-name</code> element equal to the supplied
 * Role's <code>getName()</code> method. If the supplied Role is Role.ALL,
 * it matches all roles</li>
 * </ul>
 * @param url the web resource
 * @param role the role
 * @return <code>true</code> if the resource is constrained to the role,
 *         <code>false</code> otherwise
 * @throws JDOMException if elements cannot be parsed correctly
 */
public boolean isConstrained(String url, Role role) throws JDOMException {
    Element root = m_webxml.getRootElement();
    XPath xpath;
    String selector;
    // Get all constraints that have our URL pattern
    // (Note the crazy j: prefix to denote the 2.4 j2ee schema)
    selector = "//j:web-app/j:security-constraint[j:web-resource-collection/j:url-pattern=\"" + url + "\"]";
    xpath = XPath.newInstance(selector);
    xpath.addNamespace("j", J2EE_SCHEMA_25_NAMESPACE);
    List<?> constraints = xpath.selectNodes(root);
    // Get all constraints that match our Role pattern
    selector = "//j:web-app/j:security-constraint[j:auth-constraint/j:role-name=\"" + role.getName() + "\"]";
    xpath = XPath.newInstance(selector);
    xpath.addNamespace("j", J2EE_SCHEMA_25_NAMESPACE);
    List<?> roles = xpath.selectNodes(root);
    // If we can't find either one, we must not be constrained
    if (constraints.size() == 0) {
        return false;
    }
    // Shortcut: if the role is ALL, we are constrained
    if (role.equals(Role.ALL)) {
        return true;
    }
    // If no roles, we must not be constrained
    if (roles.size() == 0) {
        return false;
    }
    // If a constraint is contained in both lists, we must be constrained
    for (Iterator<?> c = constraints.iterator(); c.hasNext(); ) {
        Element constraint = (Element) c.next();
        for (Iterator<?> r = roles.iterator(); r.hasNext(); ) {
            Element roleConstraint = (Element) r.next();
            if (constraint.equals(roleConstraint)) {
                return true;
            }
        }
    }
    return false;
}

Example 4 with XPath

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

the class MCRMigrationCommands method fixDerivateLinks.

@MCRCommand(syntax = "fix invalid derivate links {0} for {1}", help = "Fixes the paths of all derivate links " + "({0} -> xpath -> e.g. /mycoreobject/metadata/derivateLinks/derivateLink) for object {1}. (MCR-1267)", order = 15)
public static void fixDerivateLinks(String xpath, String id) throws IOException, JDOMException, SAXException {
    // get mcr object
    MCRObjectID objectID = MCRObjectID.getInstance(id);
    // find derivate links
    Document xml = MCRXMLMetadataManager.instance().retrieveXML(objectID);
    Element mcrObjectXML = xml.getRootElement();
    XPathExpression<Element> expression = XPathFactory.instance().compile(xpath, Filters.element());
    List<Element> derivateLinkElements = expression.evaluate(mcrObjectXML);
    // check them
    boolean changedObject = false;
    for (Element derivateLinkElement : derivateLinkElements) {
        String href = derivateLinkElement.getAttributeValue("href", MCRConstants.XLINK_NAMESPACE);
        MCRMetaDerivateLink link = new MCRMetaDerivateLink();
        link.setReference(href, null, null);
        String owner = link.getOwner();
        try {
            String path = link.getPath();
            MCRPath mcrPath = MCRPath.getPath(owner, path);
            if (!Files.exists(mcrPath)) {
                // -> e.g. a?c.tif -> path (a), query (c.tif) which is obvious wrong
                if (tryRawPath(objectID, derivateLinkElement, href, link, owner)) {
                    changedObject = true;
                } else {
                    LOGGER.warn("{} of {}cannot be found on file system. This is most likly a dead link.", href, objectID);
                }
            }
        } catch (URISyntaxException uriExc) {
            // not encoded properly
            if (tryRawPath(objectID, derivateLinkElement, href, link, owner)) {
                changedObject = true;
            } else {
                LOGGER.warn("{} of {} isn't URI encoded and cannot be found on file system. This is most likly a dead link.", href, objectID);
            }
        }
    }
    // store the mcr object if its changed
    if (changedObject) {
        // we use MCRXMLMetadataMananger because we don't want to validate the old mcr object
        MCRXMLMetadataManager.instance().update(objectID, xml, new Date());
        // manually fire update event
        MCRObject newObject = MCRMetadataManager.retrieveMCRObject(objectID);
        newObject.setImportMode(true);
        MCRMetadataManager.fireUpdateEvent(newObject);
    }
}

Example 5 with XPath

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

the class MCRMODSWrapper method removeElements.

public void removeElements(String xPath) {
    Iterator<Element> selected;
    try {
        selected = buildXPath(xPath).evaluate(getMODS()).iterator();
    } catch (JDOMException ex) {
        String msg = "Could not remove elements at " + xPath;
        throw new MCRException(msg, ex);
    }
    while (selected.hasNext()) {
        Element element = selected.next();
        element.detach();
    }
}