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

Example 36 with XPathExpression

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

the class MCRTransferPackageUtil method getMCRObjects.

/**
 * Gets the list of mycore object identifiers from the given directory.
 *
 * @param targetDirectory directory where the *.tar was unpacked
 * @return list of object which lies within the directory
 */
public static List<String> getMCRObjects(Path targetDirectory) throws JDOMException, IOException {
    Path order = targetDirectory.resolve(MCRTransferPackage.IMPORT_CONFIG_FILENAME);
    Document xml = new SAXBuilder().build(order.toFile());
    Element config = xml.getRootElement();
    XPathExpression<Text> exp = MCRConstants.XPATH_FACTORY.compile("order/object/text()", Filters.text());
    return exp.evaluate(config).stream().map(Text::getText).collect(Collectors.toList());
}

Example 37 with XPathExpression

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

the class MCRMetsSave method getFileGroup.

private static Element getFileGroup(Document mets, String fileGrpUSE) {
    // alter the mets document
    XPathExpression<Element> xpath;
    String fileGroupXPathString = String.format(Locale.ROOT, "mets:mets/mets:fileSec/mets:fileGrp[@USE='%s']", fileGrpUSE);
    xpath = XPathFactory.instance().compile(fileGroupXPathString, Filters.element(), null, MCRConstants.METS_NAMESPACE);
    Element element = xpath.evaluateFirst(mets);
    if (element == null) {
        // section does not exist
        Element fileGroupElement = new FileGrp(fileGrpUSE).asElement();
        String fileSectionPath = "mets:mets/mets:fileSec";
        xpath = XPathFactory.instance().compile(fileSectionPath, Filters.element(), null, MCRConstants.METS_NAMESPACE);
        Element fileSectionElement = xpath.evaluateFirst(mets);
        if (fileSectionElement == null) {
            throw new MCRPersistenceException("There is no fileSection in mets.xml!");
        }
        fileSectionElement.addContent(fileGroupElement);
        element = fileGroupElement;
    }
    return element;
}

Example 38 with XPathExpression

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

the class MCRMetsSave method searchFileInGroup.

/**
 * Searches a file in a group, which matches a filename.
 *
 * @param mets the mets file to search
 * @param path the path to the alto file (e.g. "alto/alto_file.xml" when searching in DEFAULT_FILE_GROUP_USE or
 *             "image_file.jpg" when searchin in ALTO_FILE_GROUP_USE)
 * @param searchFileGroup
 * @return the id of the matching file or null if there is no matching file
 */
private static String searchFileInGroup(Document mets, String path, String searchFileGroup) {
    // first check all files in default file group
    XPathExpression<Element> xpath;
    String relatedFileExistPathString = String.format(Locale.ROOT, "mets:mets/mets:fileSec/mets:fileGrp[@USE='%s']/mets:file/mets:FLocat", searchFileGroup);
    xpath = XPathFactory.instance().compile(relatedFileExistPathString, Filters.element(), null, MCRConstants.METS_NAMESPACE, MCRConstants.XLINK_NAMESPACE);
    List<Element> fileLocList = xpath.evaluate(mets);
    String matchId = null;
    // iterate over all files
    path = getCleanPath(path);
    for (Element fileLoc : fileLocList) {
        Attribute hrefAttribute = fileLoc.getAttribute("href", MCRConstants.XLINK_NAMESPACE);
        String hrefAttributeValue = hrefAttribute.getValue();
        String hrefPath = getCleanPath(removeExtension(hrefAttributeValue));
        if (hrefPath.equals(removeExtension(path))) {
            matchId = ((Element) fileLoc.getParent()).getAttributeValue("ID");
            break;
        }
    }
    return matchId;
}

Example 39 with XPathExpression

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

the class MCRMetsSave method getDefaultSmLink.

/**
 * Build the default smLink. The PhysicalSubDiv is simply linked to the root chapter of the mets document.
 *
 * @param mets the mets document
 * @param div  the PhysicalSubDiv which should be linked
 * @return the default smLink
 */
private static SmLink getDefaultSmLink(Document mets, PhysicalSubDiv div) {
    XPathExpression<Attribute> attributeXpath;
    attributeXpath = XPathFactory.instance().compile("mets:mets/mets:structMap[@TYPE='LOGICAL']/mets:div/@ID", Filters.attribute(), null, MCRConstants.METS_NAMESPACE);
    Attribute idAttribute = attributeXpath.evaluateFirst(mets);
    String rootID = idAttribute.getValue();
    return new SmLink(rootID, div.getId());
}

Example 40 with XPathExpression

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

the class MCRMetsSave method updateOnFileAdd.

// TODO: should use mets-model api
/**
 * Alters the mets file
 *
 * @param mets
 *            the unmodified source
 * @param file
 *            the file to add
 * @return the modified mets or null if an exception occures
 */
private static Document updateOnFileAdd(Document mets, MCRPath file) {
    try {
        // check for file existance (if a derivate with mets.xml is uploaded
        String relPath = MCRXMLFunctions.encodeURIPath(file.getOwnerRelativePath().substring(1));
        // Check if file already exists -> if yes do nothing
        String fileExistPathString = "mets:mets/mets:fileSec/mets:fileGrp/mets:file/mets:FLocat[@xlink:href='" + relPath + "']";
        XPathExpression<Element> xpath = XPathFactory.instance().compile(fileExistPathString, Filters.element(), null, MCRConstants.METS_NAMESPACE, MCRConstants.XLINK_NAMESPACE);
        if (xpath.evaluate(mets).size() > 0) {
            String msgTemplate = "The File : '%s' already exists in mets.xml";
            LOGGER.warn(String.format(Locale.ROOT, msgTemplate, relPath));
            return null;
        } else {
            String msgTemplate = "The File : '%s' does not exists in mets.xml";
            LOGGER.warn(String.format(Locale.ROOT, msgTemplate, relPath));
        }
        // add to file section
        String contentType = MCRContentTypes.probeContentType(file);
        LOGGER.warn(MessageFormat.format("Content Type is : {0}", contentType));
        String fileGrpUSE = getFileGroupUse(file);
        String fileId = MessageFormat.format("{0}_{1}", fileGrpUSE.toLowerCase(Locale.ROOT), getFileBase(relPath));
        org.mycore.mets.model.files.File fileAsMetsFile = new org.mycore.mets.model.files.File(fileId, contentType);
        FLocat fLocat = new FLocat(LOCTYPE.URL, relPath);
        fileAsMetsFile.setFLocat(fLocat);
        Element fileSec = getFileGroup(mets, fileGrpUSE);
        fileSec.addContent(fileAsMetsFile.asElement());
        if (fileGrpUSE.equals(MCRMetsFileUse.DEFAULT.toString())) {
            updateOnImageFile(mets, fileId, relPath);
        } else {
            updateOnCustomFile(mets, fileId, relPath);
        }
    } catch (Exception ex) {
        LOGGER.error("Error occured while adding file {} to the existing mets file", file, ex);
        return null;
    }
    return mets;
}