Examples with FileGrp org.mycore.mets.model.files.FileGrp used on opensource projects

Example 1 with FileGrp

use of org.mycore.mets.model.files.FileGrp 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 2 with FileGrp

use of org.mycore.mets.model.files.FileGrp in project mycore by MyCoRe-Org.

the class MCRMetsSave method isComplete.

/**
 * @return true if all files owned by the derivate appearing in the master file group or false otherwise
 */
public static boolean isComplete(Mets mets, MCRObjectID derivateId) {
    try {
        FileGrp fileGroup = mets.getFileSec().getFileGroup(FileGrp.USE_MASTER);
        MCRPath rootPath = MCRPath.getPath(derivateId.toString(), "/");
        return isComplete(fileGroup, rootPath);
    } catch (Exception ex) {
        LOGGER.error("Error while validating mets", ex);
        return false;
    }
}

Example 3 with FileGrp

use of org.mycore.mets.model.files.FileGrp 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 4 with FileGrp

use of org.mycore.mets.model.files.FileGrp in project mycore by MyCoRe-Org.

the class MCRMetsSave method updateURNsInMetsDocument.

/**
 * Inserts the given URNs into the {@link Mets} Object.
 * @param mets the {@link Mets} object were the URNs should be inserted.
 * @param fileUrnMap a {@link Map} wich contains the file as key and the urn as  as value
 */
public static void updateURNsInMetsDocument(Mets mets, Map<String, String> fileUrnMap) throws UnsupportedEncodingException {
    // put all files of the mets in a list
    List<FileGrp> fileGroups = mets.getFileSec().getFileGroups();
    List<File> files = new ArrayList<>();
    for (FileGrp fileGrp : fileGroups) {
        files.addAll(fileGrp.getFileList());
    }
    // combine the filename and the id in a map
    Map<String, String> idFileMap = new HashMap<>();
    for (File file : files) {
        idFileMap.put(file.getId(), file.getFLocat().getHref());
    }
    List<PhysicalSubDiv> childs = ((PhysicalStructMap) mets.getStructMap(PhysicalStructMap.TYPE)).getDivContainer().getChildren();
    for (PhysicalSubDiv divChild : childs) {
        String idMets = divChild.getChildren().get(0).getFileId();
        // check if there is a URN for the file
        String file = "/" + URLDecoder.decode(idFileMap.get(idMets), "UTF-8");
        if (fileUrnMap.containsKey(file)) {
            divChild.setContentids(fileUrnMap.get(file));
        }
    }
}

Example 5 with FileGrp

use of org.mycore.mets.model.files.FileGrp in project mycore by MyCoRe-Org.

the class MCRDFGLinkServlet method getOrderNumber.

private static int getOrderNumber(Document metsDoc, String fileHref) {
    int orderNumber = -1;
    String fileID = null;
    try {
        Mets mets = new Mets(metsDoc);
        List<FileGrp> fileGroups = mets.getFileSec().getFileGroups();
        for (FileGrp fileGrp : fileGroups) {
            List<File> fileList = fileGrp.getFileList();
            for (File file : fileList) {
                FLocat fLocat = file.getFLocat();
                if (fLocat.getHref().equals(MCRXMLFunctions.encodeURIPath(fileHref)))
                    fileID = file.getId();
            }
        }
        if (fileID != null) {
            PhysicalStructMap structMap = (PhysicalStructMap) mets.getStructMap(PhysicalStructMap.TYPE);
            PhysicalDiv rootDiv = structMap.getDivContainer();
            List<PhysicalSubDiv> children = rootDiv.getChildren();
            for (int index = 0; index < children.size(); index++) {
                PhysicalSubDiv physicalSubDiv = children.get(index);
                List<Fptr> fptrList = physicalSubDiv.getChildren();
                for (Fptr fptr : fptrList) {
                    if (fptr.getFileId().equals(fileID))
                        orderNumber = index + 1;
                }
            }
        }
    } catch (Exception e) {
        throw new MCRPersistenceException("could not parse mets.xml", e);
    }
    return orderNumber;
}