Examples with MCRFileCollectingFileVisitor org.mycore.pi.MCRFileCollectingFileVisitor used on opensource projects

Example 1 with MCRFileCollectingFileVisitor

use of org.mycore.pi.MCRFileCollectingFileVisitor in project mycore by MyCoRe-Org.

the class MCRURNGranularOAIRegistrationService method registerURNsDerivate.

private MCRDNBURN registerURNsDerivate(MCRBase obj, String additional, MCRObjectDerivate derivate) throws MCRPersistentIdentifierException {
    LOGGER.info("Add URNs to all files of {}", obj.getId());
    Session session = MCRHIBConnection.instance().getSession();
    Path path = MCRPath.getPath(obj.getId().toString(), "/");
    MCRFileCollectingFileVisitor<Path> collectingFileVisitor = new MCRFileCollectingFileVisitor<>();
    try {
        Files.walkFileTree(path, collectingFileVisitor);
    } catch (IOException e) {
        throw new MCRPersistentIdentifierException("Could not walk derivate file tree!", e);
    }
    List<String> ignoreFileNamesList = getIgnoreFileList();
    List<Predicate<String>> predicateList = ignoreFileNamesList.stream().map(Pattern::compile).map(Pattern::asPredicate).collect(Collectors.toList());
    List<MCRPath> pathList = collectingFileVisitor.getPaths().stream().filter(file -> predicateList.stream().noneMatch(p -> p.test(file.toString().split(":")[1]))).map(p -> (MCRPath) p).sorted().collect(Collectors.toList());
    MCRDNBURN newURN = getNewIdentifier(obj.getId(), additional);
    String setID = obj.getId().getNumberAsString();
    for (int pathListIndex = 0; pathListIndex < pathList.size(); pathListIndex++) {
        MCRDNBURN subURN = newURN.toGranular(setID, pathListIndex + 1, pathList.size());
        derivate.getOrCreateFileMetadata(pathList.get(pathListIndex), subURN.asString()).setUrn(subURN.asString());
        MCRPI databaseEntry = new MCRPI(subURN.asString(), getType(), obj.getId().toString(), pathList.get(pathListIndex).getOwnerRelativePath(), this.getRegistrationServiceID(), null);
        session.save(databaseEntry);
    }
    derivate.setURN(newURN.asString());
    MCRPI databaseEntry = new MCRPI(newURN.asString(), getType(), obj.getId().toString(), "", this.getRegistrationServiceID(), new Date());
    session.save(databaseEntry);
    return newURN;
}