Examples with StructLink org.mycore.mets.model.struct.StructLink used on opensource projects

Example 1 with StructLink

use of org.mycore.mets.model.struct.StructLink in project mycore by MyCoRe-Org.

the class MCRMETSHierarchyGenerator method createStructLink.

/**
 * Creates the mets:structLink part of the mets.xml
 *
 * @return a newly generated StructLink.
 */
protected StructLink createStructLink() {
    StructLink structLink = new StructLink();
    String currentLogicalDivId = logicalStructMap.getDivContainer().getId();
    PhysicalDiv physicalDiv = this.physicalStructMap.getDivContainer();
    List<PhysicalSubDiv> subDivList = physicalDiv.getChildren();
    for (PhysicalSubDiv physLink : subDivList) {
        if (structLinkMap.containsKey(physLink.getId())) {
            ArrayList<String> logicalIdList = new ArrayList<>(structLinkMap.get(physLink.getId()));
            Collections.sort(logicalIdList);
            for (String logicalId : logicalIdList) {
                currentLogicalDivId = logicalId;
                structLink.addSmLink(new SmLink(currentLogicalDivId, physLink.getId()));
            }
        } else {
            structLink.addSmLink(new SmLink(currentLogicalDivId, physLink.getId()));
        }
    }
    return structLink;
}

Example 2 with StructLink

use of org.mycore.mets.model.struct.StructLink in project mycore by MyCoRe-Org.

the class MCRMetsSave method updateOnImageFile.

private static void updateOnImageFile(Document mets, String fileId, String path) {
    LOGGER.debug("FILE is a image!");
    // check if custom files are present and save the ids
    String[] customFileGroups = { MCRMetsFileUse.TRANSCRIPTION.toString(), MCRMetsFileUse.ALTO.toString(), MCRMetsFileUse.TRANSLATION.toString() };
    // add to structMap physical
    PhysicalSubDiv div = new PhysicalSubDiv(PhysicalSubDiv.ID_PREFIX + fileId, PhysicalSubDiv.TYPE_PAGE);
    div.add(new Fptr(fileId));
    Arrays.stream(customFileGroups).map(customFileGroup -> searchFileInGroup(mets, path, customFileGroup)).filter(Objects::nonNull).map(Fptr::new).forEach(div::add);
    // actually alter the mets document
    Element structMapPhys = getPhysicalStructmap(mets);
    structMapPhys.addContent(div.asElement());
    // add to structLink
    SmLink smLink = getDefaultSmLink(mets, div);
    Element structLink = getStructLink(mets);
    structLink.addContent(smLink.asElement());
}

Example 3 with StructLink

use of org.mycore.mets.model.struct.StructLink in project mycore by MyCoRe-Org.

the class MCRMETSDefaultGenerator method createMets.

private Mets createMets() throws IOException {
    Mets mets = new Mets();
    String owner = getOwner();
    // add dmdsec
    DmdSec dmdSec = new DmdSec("dmd_" + owner);
    // add amdsec
    AmdSec amdSec = new AmdSec("amd_" + owner);
    // file sec
    FileSec fileSec = new FileSec();
    for (MCRMetsFileUse fileUse : MCRMetsFileUse.values()) {
        FileGrp fileGrp = new FileGrp(fileUse.toString());
        fileSec.addFileGrp(fileGrp);
    }
    // physical structure
    PhysicalStructMap physicalStructMap = new PhysicalStructMap();
    PhysicalDiv physicalDiv = new PhysicalDiv("phys_" + owner, "physSequence");
    physicalStructMap.setDivContainer(physicalDiv);
    // logical structure
    MCRILogicalStructMapTypeProvider typeProvider = getTypeProvider();
    LogicalStructMap logicalStructMap = new LogicalStructMap();
    LogicalDiv logicalDiv = new LogicalDiv("log_" + owner, typeProvider.getType(MCRObjectID.getInstance(owner)), owner, amdSec.getId(), dmdSec.getId());
    logicalDiv.setDmdId(dmdSec.getId());
    logicalStructMap.setDivContainer(logicalDiv);
    // struct Link
    StructLink structLink = new StructLink();
    // create internal structure
    structureMets(getDerivatePath(), getIgnorePaths(), fileSec, physicalDiv, logicalDiv, structLink, 0);
    hrefIdMap.clear();
    // add to mets
    mets.addDmdSec(dmdSec);
    mets.addAmdSec(amdSec);
    mets.setFileSec(fileSec);
    mets.addStructMap(physicalStructMap);
    mets.addStructMap(logicalStructMap);
    mets.setStructLink(structLink);
    return mets;
}

Example 4 with StructLink

use of org.mycore.mets.model.struct.StructLink in project mycore by MyCoRe-Org.

the class MCRMetsSave method updateFiles.

/**
 * Call this method to update the mets.xml if files of the derivate have changed. Files will be added or removed
 * from the mets:fileSec and mets:StructMap[@type=PHYSICAL]. The mets:structLink part will be rebuild after.
 *
 * <p>This method takes care of the group assignment. For example: image files will be added to the MASTER
 * group and ALTO files to the ALTO group. It will also bundle files with the same name e.g. sample1.tiff and
 * alto/sample1.xml to the same physical struct map div.</p>
 *
 * <p><b>Important:</b> This method does not update the mets.xml in the derivate, its just updating the given mets
 * instance.</p>
 *
 * @param mets the mets to update
 * @param derivatePath path to the derivate -&gt; required for looking up new files
 * @throws IOException derivate couldn't be read
 */
public static void updateFiles(Mets mets, final MCRPath derivatePath) throws IOException {
    List<String> metsFiles = mets.getFileSec().getFileGroups().stream().flatMap(g -> g.getFileList().stream()).map(File::getFLocat).map(FLocat::getHref).collect(Collectors.toList());
    List<String> derivateFiles = Files.walk(derivatePath).filter(MCRStreamUtils.not(Files::isDirectory)).map(MCRPath::toMCRPath).map(MCRPath::getOwnerRelativePath).map(path -> path.substring(1)).filter(href -> !"mets.xml".equals(href)).collect(Collectors.toList());
    ArrayList<String> removedFiles = new ArrayList<>(metsFiles);
    removedFiles.removeAll(derivateFiles);
    ArrayList<String> addedFiles = new ArrayList<>(derivateFiles);
    Collections.sort(addedFiles);
    addedFiles.removeAll(metsFiles);
    StructLink structLink = mets.getStructLink();
    PhysicalStructMap physicalStructMap = mets.getPhysicalStructMap();
    List<String> unlinkedLogicalIds = new ArrayList<>();
    // remove files
    PhysicalDiv physicalDiv = physicalStructMap.getDivContainer();
    removedFiles.forEach(href -> {
        File file = null;
        // remove from fileSec
        for (FileGrp grp : mets.getFileSec().getFileGroups()) {
            file = grp.getFileByHref(href);
            if (file != null) {
                grp.removeFile(file);
                break;
            }
        }
        if (file == null) {
            return;
        }
        // remove from physical
        PhysicalSubDiv physicalSubDiv = physicalDiv.byFileId(file.getId());
        physicalSubDiv.remove(physicalSubDiv.getFptr(file.getId()));
        if (physicalSubDiv.getChildren().isEmpty()) {
            physicalDiv.remove(physicalSubDiv);
        }
        // remove from struct link
        structLink.getSmLinkByTo(physicalSubDiv.getId()).forEach(smLink -> {
            structLink.removeSmLink(smLink);
            if (structLink.getSmLinkByFrom(smLink.getFrom()).isEmpty()) {
                unlinkedLogicalIds.add(smLink.getFrom());
            }
        });
    });
    // fix unlinked logical divs
    if (!unlinkedLogicalIds.isEmpty()) {
        // get first physical div
        List<PhysicalSubDiv> physicalChildren = physicalStructMap.getDivContainer().getChildren();
        String firstPhysicalID = physicalChildren.isEmpty() ? physicalStructMap.getDivContainer().getId() : physicalChildren.get(0).getId();
        // a logical div is not linked anymore -> link with first physical div
        unlinkedLogicalIds.forEach(from -> structLink.addSmLink(new SmLink(from, firstPhysicalID)));
    }
    // get last logical div
    LogicalDiv divContainer = mets.getLogicalStructMap().getDivContainer();
    List<LogicalDiv> descendants = divContainer.getDescendants();
    LogicalDiv lastLogicalDiv = descendants.isEmpty() ? divContainer : descendants.get(descendants.size() - 1);
    // add files
    addedFiles.forEach(href -> {
        MCRPath filePath = (MCRPath) derivatePath.resolve(href);
        String fileBase = getFileBase(href);
        try {
            String fileGroupUse = MCRMetsSave.getFileGroupUse(filePath);
            // build file
            String mimeType = MCRContentTypes.probeContentType(filePath);
            String fileId = fileGroupUse.toLowerCase(Locale.ROOT) + "_" + fileBase;
            File file = new File(fileId, mimeType);
            file.setFLocat(new FLocat(LOCTYPE.URL, href));
            // fileSec
            FileGrp fileGroup = mets.getFileSec().getFileGroup(fileGroupUse);
            if (fileGroup == null) {
                fileGroup = new FileGrp(fileGroupUse);
                mets.getFileSec().addFileGrp(fileGroup);
            }
            fileGroup.addFile(file);
            // structMap physical
            String existingFileID = mets.getFileSec().getFileGroups().stream().filter(grp -> !grp.getUse().equals(fileGroupUse)).flatMap(grp -> grp.getFileList().stream()).filter(brotherFile -> fileBase.equals(getFileBase(brotherFile.getFLocat().getHref()))).map(File::getId).findAny().orElse(null);
            PhysicalSubDiv physicalSubDiv;
            if (existingFileID != null) {
                // there is a file (e.g. img or alto) which the same file base -> add the file to this mets:div
                physicalSubDiv = physicalDiv.byFileId(existingFileID);
                physicalSubDiv.add(new Fptr(file.getId()));
            } else {
                // there is no mets:div with this file
                physicalSubDiv = new PhysicalSubDiv(PhysicalSubDiv.ID_PREFIX + fileBase, PhysicalSubDiv.TYPE_PAGE);
                physicalSubDiv.add(new Fptr(file.getId()));
                physicalDiv.add(physicalSubDiv);
            }
            // add to struct link
            structLink.addSmLink(new SmLink(lastLogicalDiv.getId(), physicalSubDiv.getId()));
        } catch (Exception exc) {
            LOGGER.error("Unable to add file {} to mets.xml of {}", href, derivatePath.getOwner(), exc);
        }
    });
}

Example 5 with StructLink

use of org.mycore.mets.model.struct.StructLink in project mycore by MyCoRe-Org.

the class MCRSimpleModelXMLConverter method toXML.

/**
 * Converts MetsSimpleModel to XML
 * @param msm the MetsSimpleModel which should be converted
 * @return xml
 */
public static Document toXML(MCRMetsSimpleModel msm) {
    Mets mets = new Mets();
    Hashtable<MCRMetsPage, String> pageIdMap = new Hashtable<>();
    Map<String, String> idToNewIDMap = new Hashtable<>();
    buildPhysicalPages(msm, mets, pageIdMap, idToNewIDMap);
    Hashtable<MCRMetsSection, String> sectionIdMap = new Hashtable<>();
    buildLogicalPages(msm, mets, sectionIdMap, idToNewIDMap);
    StructLink structLink = mets.getStructLink();
    msm.getSectionPageLinkList().stream().map((metsLink) -> {
        MCRMetsSection section = metsLink.getFrom();
        MCRMetsPage page = metsLink.getTo();
        String fromId = sectionIdMap.get(section);
        String toId = pageIdMap.get(page);
        return new SmLink(fromId, toId);
    }).forEach(structLink::addSmLink);
    return mets.asDocument();
}