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

Example 1 with LogicalDiv

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

the class MCRMetsMods2IIIFConverter method convert.

public MCRIIIFManifest convert() {
    MCRIIIFManifest manifest = new MCRIIIFManifest();
    // root chapter ^= manifest metadata
    LogicalStructMap logicalStructMap = (LogicalStructMap) mets.getStructMap("LOGICAL");
    LogicalDiv divContainer = logicalStructMap.getDivContainer();
    List<MCRIIIFMetadata> metadata = extractMedataFromLogicalDiv(mets, divContainer);
    manifest.metadata = metadata;
    manifest.setId(this.identifier);
    PhysicalStructMap physicalStructMap = (PhysicalStructMap) mets.getStructMap("PHYSICAL");
    PhysicalDiv physicalDivContainer = physicalStructMap.getDivContainer();
    String id = physicalDivContainer.getId();
    MCRIIIFSequence sequence = new MCRIIIFSequence(id);
    List<PhysicalSubDiv> children = physicalDivContainer.getChildren();
    MCRIIIFImageImpl imageImpl = MCRIIIFImageImpl.getInstance(getImageImplName());
    MCRIIIFImageProfile profile = imageImpl.getProfile();
    profile.setId(MCRIIIFImageUtil.getProfileLink(imageImpl));
    sequence.canvases = children.stream().map(physicalSubDiv -> {
        String order = physicalSubDiv.asElement().getAttributeValue("ORDER");
        String orderLabel = physicalSubDiv.getOrderLabel();
        String contentids = physicalSubDiv.getContentids();
        String label = Stream.of(order, orderLabel, contentids).filter(o -> o != null && !o.isEmpty()).collect(Collectors.joining(" - "));
        String identifier = this.physicalIdentifierMap.get(physicalSubDiv);
        try {
            MCRIIIFImageInformation information = imageImpl.getInformation(identifier);
            MCRIIIFCanvas canvas = new MCRIIIFCanvas(identifier, label, information.width, information.height);
            MCRIIIFAnnotation annotation = new MCRIIIFAnnotation(identifier, canvas);
            canvas.images.add(annotation);
            MCRIIIFResource resource = new MCRIIIFResource(information.getId(), MCRDCMIType.Image);
            resource.setWidth(information.width);
            resource.setHeight(information.height);
            MCRIIIFService service = new MCRIIIFService(information.getId(), profile.getContext());
            service.profile = MCRIIIFImageProfile.IIIF_PROFILE_2_0;
            resource.setService(service);
            annotation.setResource(resource);
            return canvas;
        } catch (MCRIIIFImageNotFoundException | MCRIIIFImageProvidingException e) {
            throw new MCRException("Error while providing ImageInfo for " + identifier, e);
        } catch (MCRAccessException e) {
            LOGGER.warn("User has no access to {}", identifier);
            return null;
        }
    }).filter(Objects::nonNull).collect(Collectors.toList());
    manifest.sequences.add(sequence);
    List<MCRIIIFRange> complete = new ArrayList<>();
    processDivContainer(complete, divContainer);
    manifest.structures.addAll(complete);
    manifest.setLabel(metadata.stream().filter(m -> m.getLabel().equals("title")).findFirst().get().getStringValue().get());
    return manifest;
}

Example 2 with LogicalDiv

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

the class MCRMETSHierarchyGenerator method newLogicalStructMap.

protected LogicalStructMap newLogicalStructMap() {
    LogicalStructMap lstr = new LogicalStructMap();
    MCRObjectID objId = this.rootObj.getId();
    // create main div
    String amdId = this.amdSection.getId();
    String dmdId = this.dmdSection.getId();
    LogicalDiv logicalDiv = new LogicalDiv(objId.toString(), getType(this.rootObj), getLabel(this.rootObj), amdId, dmdId);
    lstr.setDivContainer(logicalDiv);
    // run through all children
    newLogicalStructMap(this.rootObj, logicalDiv);
    // remove not linked logical divs
    logicalDiv.getChildren().removeIf(child -> !validateLogicalStruct(child));
    return lstr;
}

Example 3 with LogicalDiv

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

the class MCRMETSHierarchyGenerator method mergeOldLogicalStructMap.

/**
 * Runs through the logical part of the old mets and copies the ALTO part (mets:fptr/mets:seq/mets:area)
 * to the newly created logical struct map. This is done by comparing the mets:div @ID's of the old and the new
 * logical struct map. If two @ID's are equal, we can assume that it is the same mets:div and we just copy all
 * the old mets:fptr's.
 *
 * @param logicalStructMap the logical struct map to enhance
 */
protected void mergeOldLogicalStructMap(LogicalStructMap logicalStructMap) {
    if (!this.getOldMets().isPresent()) {
        return;
    }
    Mets oldMets = this.getOldMets().get();
    LogicalStructMap oldLsm = oldMets.getLogicalStructMap();
    FileGrp oldAltoGroup = oldMets.getFileSec().getFileGroup("ALTO");
    FileGrp newAltoGroup = this.fileSection.getFileGroup("ALTO");
    List<LogicalDiv> descendants = oldLsm.getDivContainer().getDescendants();
    descendants.stream().filter(div -> !div.getFptrList().isEmpty()).forEach(oldDiv -> {
        String id = oldDiv.getId();
        LogicalDiv newDiv = logicalStructMap.getDivContainer().getLogicalSubDiv(id);
        if (newDiv != null) {
            for (Fptr fptr : oldDiv.getFptrList()) {
                copyFptr(oldAltoGroup, newAltoGroup, fptr).ifPresent(newFptr -> newDiv.getFptrList().add(newFptr));
            }
        }
        updateStructLinkMapUsingALTO(newDiv);
    });
}

Example 4 with LogicalDiv

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

the class MCRMetsSave method updateOnFileDelete.

/**
 * @param mets
 * @param file
 * @return
 */
private static Document updateOnFileDelete(Document mets, MCRPath file) {
    Mets modifiedMets;
    try {
        modifiedMets = new Mets(mets);
        String href = file.getOwnerRelativePath().substring(1);
        PhysicalStructMap physStructMap = (PhysicalStructMap) modifiedMets.getStructMap(PhysicalStructMap.TYPE);
        PhysicalDiv divContainer = physStructMap.getDivContainer();
        // search the right group and remove the file from the group
        List<FileGrp> fileGroups = modifiedMets.getFileSec().getFileGroups();
        for (FileGrp fileGrp : fileGroups) {
            if (fileGrp.contains(href)) {
                org.mycore.mets.model.files.File fileToRemove = fileGrp.getFileByHref(href);
                fileGrp.removeFile(fileToRemove);
                ArrayList<PhysicalSubDiv> physicalSubDivsToRemove = new ArrayList<>();
                // remove file from mets:mets/mets:structMap[@TYPE='PHYSICAL']
                for (PhysicalSubDiv physicalSubDiv : divContainer.getChildren()) {
                    ArrayList<Fptr> fptrsToRemove = new ArrayList<>();
                    for (Fptr fptr : physicalSubDiv.getChildren()) {
                        if (fptr.getFileId().equals(fileToRemove.getId())) {
                            if (fileGrp.getUse().equals(FileGrp.USE_MASTER)) {
                                physicalSubDivsToRemove.add(physicalSubDiv);
                            } else {
                                fptrsToRemove.add(fptr);
                            }
                        }
                    }
                    for (Fptr fptrToRemove : fptrsToRemove) {
                        LOGGER.warn(String.format(Locale.ROOT, "remove fptr \"%s\" from mets.xml of \"%s\"", fptrToRemove.getFileId(), file.getOwner()));
                        physicalSubDiv.remove(fptrToRemove);
                    }
                }
                for (PhysicalSubDiv physicalSubDivToRemove : physicalSubDivsToRemove) {
                    // remove links in mets:structLink section
                    List<SmLink> list = modifiedMets.getStructLink().getSmLinkByTo(physicalSubDivToRemove.getId());
                    LogicalStructMap logicalStructMap = (LogicalStructMap) modifiedMets.getStructMap(LogicalStructMap.TYPE);
                    for (SmLink linkToRemove : list) {
                        LOGGER.warn(String.format(Locale.ROOT, "remove smLink from \"%s\" to \"%s\"", linkToRemove.getFrom(), linkToRemove.getTo()));
                        modifiedMets.getStructLink().removeSmLink(linkToRemove);
                        // modify logical struct Map
                        String logID = linkToRemove.getFrom();
                        // the deleted file was not directly assigned to a structure
                        if (logicalStructMap.getDivContainer().getId().equals(logID)) {
                            continue;
                        }
                        LogicalDiv logicalDiv = logicalStructMap.getDivContainer().getLogicalSubDiv(logID);
                        if (logicalDiv == null) {
                            LOGGER.error("Could not find {} with id {}", LogicalDiv.class.getSimpleName(), logID);
                            LOGGER.error("Mets document remains unchanged");
                            return mets;
                        }
                        // there are still files for this logical sub div, nothing to do
                        if (modifiedMets.getStructLink().getSmLinkByFrom(logicalDiv.getId()).size() > 0) {
                            continue;
                        }
                        // the logical div has other divs included, nothing to do
                        if (logicalDiv.getChildren().size() > 0) {
                            continue;
                        }
                        /*
                             * the log div might be in a hierarchy of divs, which may now be empty
                             * (only containing empty directories), if so the parent of the log div
                             * must be deleted
                             * */
                        handleParents(logicalDiv, modifiedMets);
                        logicalStructMap.getDivContainer().remove(logicalDiv);
                    }
                    divContainer.remove(physicalSubDivToRemove);
                }
            }
        }
    } catch (Exception ex) {
        LOGGER.error("Error occured while removing file {} from the existing mets file", file, ex);
        return null;
    }
    return modifiedMets.asDocument();
}

Example 5 with LogicalDiv

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

the class MCRMetsSave method handleParents.

/**
 * @param logDiv
 * @param mets
 */
private static void handleParents(LogicalDiv logDiv, Mets mets) {
    LogicalDiv parent = logDiv.getParent();
    // there are files for the parent of the log div, thus nothing to do
    if (mets.getStructLink().getSmLinkByFrom(parent.getId()).size() > 0) {
        return;
    }
    // no files associated to the parent of the log div
    LogicalDiv logicalDiv = ((LogicalStructMap) mets.getStructMap(LogicalStructMap.TYPE)).getDivContainer();
    if (parent.getParent() == logicalDiv) {
        // the parent the log div container itself, thus we quit here and remove the log div
        logicalDiv.remove(parent);
    } else {
        handleParents(parent, mets);
    }
}