Examples with CatalogSelector org.opencastproject.mediapackage.selector.CatalogSelector used on opensource projects

Example 1 with CatalogSelector

use of org.opencastproject.mediapackage.selector.CatalogSelector in project opencast by opencast.

the class SeriesWorkflowOperationHandler method start.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.workflow.api.WorkflowOperationHandler#start(org.opencastproject.workflow.api.WorkflowInstance,
 *      JobContext)
 */
@Override
public WorkflowOperationResult start(final WorkflowInstance workflowInstance, JobContext context) throws WorkflowOperationException {
    logger.debug("Running series workflow operation");
    MediaPackage mediaPackage = workflowInstance.getMediaPackage();
    Opt<String> optSeries = getOptConfig(workflowInstance.getCurrentOperation(), SERIES_PROPERTY);
    Opt<String> optAttachFlavors = getOptConfig(workflowInstance.getCurrentOperation(), ATTACH_PROPERTY);
    Boolean applyAcl = getOptConfig(workflowInstance.getCurrentOperation(), APPLY_ACL_PROPERTY).map(toBoolean).getOr(false);
    Opt<String> optCopyMetadata = getOptConfig(workflowInstance.getCurrentOperation(), COPY_METADATA_PROPERTY);
    String defaultNamespace = getOptConfig(workflowInstance.getCurrentOperation(), DEFAULT_NS_PROPERTY).getOr(DublinCore.TERMS_NS_URI);
    logger.debug("Using default namespace: '{}'", defaultNamespace);
    if (optSeries.isSome() && !optSeries.get().equals(mediaPackage.getSeries())) {
        logger.info("Changing series id from '{}' to '{}'", StringUtils.trimToEmpty(mediaPackage.getSeries()), optSeries.get());
        mediaPackage.setSeries(optSeries.get());
    }
    String seriesId = mediaPackage.getSeries();
    if (seriesId == null) {
        logger.info("No series set, skip operation");
        return createResult(mediaPackage, Action.SKIP);
    }
    DublinCoreCatalog series;
    try {
        series = seriesService.getSeries(seriesId);
    } catch (NotFoundException e) {
        logger.info("No series with the identifier '{}' found, skip operation", seriesId);
        return createResult(mediaPackage, Action.SKIP);
    } catch (UnauthorizedException e) {
        logger.warn("Not authorized to get series with identifier '{}' found, skip operation", seriesId);
        return createResult(mediaPackage, Action.SKIP);
    } catch (SeriesException e) {
        logger.error("Unable to get series with identifier '{}', skip operation: {}", seriesId, ExceptionUtils.getStackTrace(e));
        throw new WorkflowOperationException(e);
    }
    mediaPackage.setSeriesTitle(series.getFirst(DublinCore.PROPERTY_TITLE));
    // Process extra metadata
    HashSet<EName> extraMetadata = new HashSet<>();
    if (optCopyMetadata.isSome()) {
        for (String strEName : optCopyMetadata.get().split(",+\\s*")) try {
            if (!strEName.isEmpty()) {
                extraMetadata.add(EName.fromString(strEName, defaultNamespace));
            }
        } catch (IllegalArgumentException iae) {
            logger.warn("Ignoring incorrect dublincore metadata property: '{}'", strEName);
        }
    }
    // Update the episode catalog
    for (Catalog episodeCatalog : mediaPackage.getCatalogs(MediaPackageElements.EPISODE)) {
        DublinCoreCatalog episodeDublinCore = DublinCoreUtil.loadDublinCore(workspace, episodeCatalog);
        // Make sure the MP catalog has bindings defined
        episodeDublinCore.addBindings(XmlNamespaceContext.mk(XmlNamespaceBinding.mk(DublinCore.TERMS_NS_PREFIX, DublinCore.TERMS_NS_URI)));
        episodeDublinCore.addBindings(XmlNamespaceContext.mk(XmlNamespaceBinding.mk(DublinCore.ELEMENTS_1_1_NS_PREFIX, DublinCore.ELEMENTS_1_1_NS_URI)));
        episodeDublinCore.addBindings(XmlNamespaceContext.mk(XmlNamespaceBinding.mk(DublinCores.OC_PROPERTY_NS_PREFIX, DublinCores.OC_PROPERTY_NS_URI)));
        episodeDublinCore.set(DublinCore.PROPERTY_IS_PART_OF, seriesId);
        for (EName property : extraMetadata) {
            if (!episodeDublinCore.hasValue(property) && series.hasValue(property)) {
                episodeDublinCore.set(property, series.get(property));
            }
        }
        try (InputStream in = IOUtils.toInputStream(episodeDublinCore.toXmlString(), "UTF-8")) {
            String filename = FilenameUtils.getName(episodeCatalog.getURI().toString());
            URI uri = workspace.put(mediaPackage.getIdentifier().toString(), episodeCatalog.getIdentifier(), filename, in);
            episodeCatalog.setURI(uri);
            // setting the URI to a new source so the checksum will most like be invalid
            episodeCatalog.setChecksum(null);
        } catch (Exception e) {
            logger.error("Unable to update episode catalog isPartOf field: {}", ExceptionUtils.getStackTrace(e));
            throw new WorkflowOperationException(e);
        }
    }
    // Attach series catalogs
    if (optAttachFlavors.isSome()) {
        // Remove existing series catalogs
        AbstractMediaPackageElementSelector<Catalog> catalogSelector = new CatalogSelector();
        String[] seriesFlavors = StringUtils.split(optAttachFlavors.get(), ",");
        for (String flavor : seriesFlavors) {
            if ("*".equals(flavor)) {
                catalogSelector.addFlavor("*/*");
            } else {
                catalogSelector.addFlavor(flavor);
            }
        }
        for (Catalog c : catalogSelector.select(mediaPackage, false)) {
            if (MediaPackageElements.SERIES.equals(c.getFlavor()) || "series".equals(c.getFlavor().getSubtype())) {
                mediaPackage.remove(c);
            }
        }
        List<SeriesCatalogUIAdapter> adapters = getSeriesCatalogUIAdapters();
        for (String flavorString : seriesFlavors) {
            MediaPackageElementFlavor flavor;
            if ("*".equals(flavorString)) {
                flavor = MediaPackageElementFlavor.parseFlavor("*/*");
            } else {
                flavor = MediaPackageElementFlavor.parseFlavor(flavorString);
            }
            for (SeriesCatalogUIAdapter a : adapters) {
                MediaPackageElementFlavor adapterFlavor = MediaPackageElementFlavor.parseFlavor(a.getFlavor());
                if (flavor.matches(adapterFlavor)) {
                    if (MediaPackageElements.SERIES.eq(a.getFlavor())) {
                        addDublinCoreCatalog(series, MediaPackageElements.SERIES, mediaPackage);
                    } else {
                        try {
                            Opt<byte[]> seriesElementData = seriesService.getSeriesElementData(seriesId, adapterFlavor.getType());
                            if (seriesElementData.isSome()) {
                                DublinCoreCatalog catalog = DublinCores.read(new ByteArrayInputStream(seriesElementData.get()));
                                addDublinCoreCatalog(catalog, adapterFlavor, mediaPackage);
                            } else {
                                logger.warn("No extended series catalog found for flavor '{}' and series '{}', skip adding catalog", adapterFlavor.getType(), seriesId);
                            }
                        } catch (SeriesException e) {
                            logger.error("Unable to load extended series metadata for flavor {}", adapterFlavor.getType());
                            throw new WorkflowOperationException(e);
                        }
                    }
                }
            }
        }
    }
    if (applyAcl) {
        try {
            AccessControlList acl = seriesService.getSeriesAccessControl(seriesId);
            if (acl != null)
                authorizationService.setAcl(mediaPackage, AclScope.Series, acl);
        } catch (Exception e) {
            logger.error("Unable to update series ACL: {}", ExceptionUtils.getStackTrace(e));
            throw new WorkflowOperationException(e);
        }
    }
    return createResult(mediaPackage, Action.CONTINUE);
}

Example 2 with CatalogSelector

use of org.opencastproject.mediapackage.selector.CatalogSelector in project opencast by opencast.

the class PartialImportWorkflowOperationHandler method getSmilDocumentFromMediaPackage.

private SMILDocument getSmilDocumentFromMediaPackage(MediaPackage mp, String smilFlavor) throws WorkflowOperationException {
    final AbstractMediaPackageElementSelector<Catalog> smilSelector = new CatalogSelector();
    try {
        smilSelector.addFlavor(MediaPackageElementFlavor.parseFlavor(smilFlavor));
    } catch (IllegalArgumentException e) {
        throw new WorkflowOperationException("Smil flavor '" + smilFlavor + "' is malformed");
    }
    final Collection<Catalog> smilCatalog = smilSelector.select(mp, false);
    if (smilCatalog.size() == 1) {
        return getSmilDocument(smilCatalog.iterator().next());
    } else {
        logger.error("More or less than one smil catalog found: {}", smilCatalog);
        throw new WorkflowOperationException("More or less than one smil catalog found!");
    }
}