Examples with DublinCoreCatalog org.opencastproject.metadata.dublincore.DublinCoreCatalog used on opensource projects

Example 11 with DublinCoreCatalog

use of org.opencastproject.metadata.dublincore.DublinCoreCatalog in project opencast by opencast.

the class IndexServiceImpl method createEvent.

@Override
public String createEvent(EventHttpServletRequest eventHttpServletRequest) throws ParseException, IOException, MediaPackageException, IngestException, NotFoundException, SchedulerException, UnauthorizedException {
    // Preconditions
    if (eventHttpServletRequest.getAcl().isNone()) {
        throw new IllegalArgumentException("No access control list available to create new event.");
    }
    if (eventHttpServletRequest.getMediaPackage().isNone()) {
        throw new IllegalArgumentException("No mediapackage available to create new event.");
    }
    if (eventHttpServletRequest.getMetadataList().isNone()) {
        throw new IllegalArgumentException("No metadata list available to create new event.");
    }
    if (eventHttpServletRequest.getProcessing().isNone()) {
        throw new IllegalArgumentException("No processing metadata available to create new event.");
    }
    if (eventHttpServletRequest.getSource().isNone()) {
        throw new IllegalArgumentException("No source field metadata available to create new event.");
    }
    // Get Workflow
    String workflowTemplate = (String) eventHttpServletRequest.getProcessing().get().get("workflow");
    if (workflowTemplate == null)
        throw new IllegalArgumentException("No workflow template in metadata");
    // Get Type of Source
    SourceType type = getSourceType(eventHttpServletRequest.getSource().get());
    MetadataCollection eventMetadata = eventHttpServletRequest.getMetadataList().get().getMetadataByAdapter(eventCatalogUIAdapter).get();
    JSONObject sourceMetadata = (JSONObject) eventHttpServletRequest.getSource().get().get("metadata");
    if (sourceMetadata != null && (type.equals(SourceType.SCHEDULE_SINGLE) || type.equals(SourceType.SCHEDULE_MULTIPLE))) {
        try {
            MetadataField<?> current = eventMetadata.getOutputFields().get("location");
            eventMetadata.updateStringField(current, (String) sourceMetadata.get("device"));
        } catch (Exception e) {
            logger.warn("Unable to parse device {}", sourceMetadata.get("device"));
            throw new IllegalArgumentException("Unable to parse device");
        }
    }
    Date currentStartDate = null;
    MetadataField<?> starttime = eventMetadata.getOutputFields().get(DublinCore.PROPERTY_TEMPORAL.getLocalName());
    if (starttime != null && starttime.isUpdated() && starttime.getValue().isSome()) {
        DCMIPeriod period = EncodingSchemeUtils.decodeMandatoryPeriod((DublinCoreValue) starttime.getValue().get());
        currentStartDate = period.getStart();
    }
    MetadataField<?> created = eventMetadata.getOutputFields().get(DublinCore.PROPERTY_CREATED.getLocalName());
    if (created == null || !created.isUpdated() || created.getValue().isNone()) {
        eventMetadata.removeField(created);
        MetadataField<String> newCreated = MetadataUtils.copyMetadataField(created);
        if (currentStartDate != null) {
            newCreated.setValue(EncodingSchemeUtils.encodeDate(currentStartDate, Precision.Second).getValue());
        } else {
            newCreated.setValue(EncodingSchemeUtils.encodeDate(new Date(), Precision.Second).getValue());
        }
        eventMetadata.addField(newCreated);
    }
    // Get presenter usernames for use as technical presenters
    Set<String> presenterUsernames = new HashSet<>();
    Opt<Set<String>> technicalPresenters = updatePresenters(eventMetadata);
    if (technicalPresenters.isSome()) {
        presenterUsernames = technicalPresenters.get();
    }
    eventHttpServletRequest.getMetadataList().get().add(eventCatalogUIAdapter, eventMetadata);
    updateMediaPackageMetadata(eventHttpServletRequest.getMediaPackage().get(), eventHttpServletRequest.getMetadataList().get());
    DublinCoreCatalog dc = getDublinCoreCatalog(eventHttpServletRequest);
    String captureAgentId = null;
    TimeZone tz = null;
    org.joda.time.DateTime start = null;
    org.joda.time.DateTime end = null;
    long duration = 0L;
    Properties caProperties = new Properties();
    RRule rRule = null;
    if (sourceMetadata != null && (type.equals(SourceType.SCHEDULE_SINGLE) || type.equals(SourceType.SCHEDULE_MULTIPLE))) {
        Properties configuration;
        try {
            captureAgentId = (String) sourceMetadata.get("device");
            configuration = captureAgentStateService.getAgentConfiguration((String) sourceMetadata.get("device"));
        } catch (Exception e) {
            logger.warn("Unable to parse device {}: because: {}", sourceMetadata.get("device"), getStackTrace(e));
            throw new IllegalArgumentException("Unable to parse device");
        }
        String durationString = (String) sourceMetadata.get("duration");
        if (StringUtils.isBlank(durationString))
            throw new IllegalArgumentException("No duration in source metadata");
        // Create timezone based on CA's reported TZ.
        String agentTimeZone = configuration.getProperty("capture.device.timezone");
        if (StringUtils.isNotBlank(agentTimeZone)) {
            tz = TimeZone.getTimeZone(agentTimeZone);
            dc.set(DublinCores.OC_PROPERTY_AGENT_TIMEZONE, tz.getID());
        } else {
            // No timezone was present, assume the serve's local timezone.
            tz = TimeZone.getDefault();
            logger.debug("The field 'capture.device.timezone' has not been set in the agent configuration. The default server timezone will be used.");
        }
        org.joda.time.DateTime now = new org.joda.time.DateTime(DateTimeZone.UTC);
        start = now.withMillis(DateTimeSupport.fromUTC((String) sourceMetadata.get("start")));
        end = now.withMillis(DateTimeSupport.fromUTC((String) sourceMetadata.get("end")));
        duration = Long.parseLong(durationString);
        DublinCoreValue period = EncodingSchemeUtils.encodePeriod(new DCMIPeriod(start.toDate(), start.plus(duration).toDate()), Precision.Second);
        String inputs = (String) sourceMetadata.get("inputs");
        caProperties.putAll(configuration);
        dc.set(DublinCore.PROPERTY_TEMPORAL, period);
        caProperties.put(CaptureParameters.CAPTURE_DEVICE_NAMES, inputs);
    }
    if (type.equals(SourceType.SCHEDULE_MULTIPLE)) {
        rRule = new RRule((String) sourceMetadata.get("rrule"));
    }
    Map<String, String> configuration = new HashMap<>();
    if (eventHttpServletRequest.getProcessing().get().get("configuration") != null) {
        configuration = new HashMap<>((JSONObject) eventHttpServletRequest.getProcessing().get().get("configuration"));
    }
    for (Entry<String, String> entry : configuration.entrySet()) {
        caProperties.put(WORKFLOW_CONFIG_PREFIX.concat(entry.getKey()), entry.getValue());
    }
    caProperties.put(CaptureParameters.INGEST_WORKFLOW_DEFINITION, workflowTemplate);
    eventHttpServletRequest.setMediaPackage(authorizationService.setAcl(eventHttpServletRequest.getMediaPackage().get(), AclScope.Episode, eventHttpServletRequest.getAcl().get()).getA());
    MediaPackage mediaPackage;
    switch(type) {
        case UPLOAD:
        case UPLOAD_LATER:
            eventHttpServletRequest.setMediaPackage(updateDublincCoreCatalog(eventHttpServletRequest.getMediaPackage().get(), dc));
            configuration.put("workflowDefinitionId", workflowTemplate);
            WorkflowInstance ingest = ingestService.ingest(eventHttpServletRequest.getMediaPackage().get(), workflowTemplate, configuration);
            return eventHttpServletRequest.getMediaPackage().get().getIdentifier().compact();
        case SCHEDULE_SINGLE:
            mediaPackage = updateDublincCoreCatalog(eventHttpServletRequest.getMediaPackage().get(), dc);
            eventHttpServletRequest.setMediaPackage(mediaPackage);
            try {
                schedulerService.addEvent(start.toDate(), start.plus(duration).toDate(), captureAgentId, presenterUsernames, mediaPackage, configuration, (Map) caProperties, Opt.<Boolean>none(), Opt.<String>none(), SchedulerService.ORIGIN);
            } finally {
                for (MediaPackageElement mediaPackageElement : mediaPackage.getElements()) {
                    try {
                        workspace.delete(mediaPackage.getIdentifier().toString(), mediaPackageElement.getIdentifier());
                    } catch (NotFoundException | IOException e) {
                        logger.warn("Failed to delete media package element", e);
                    }
                }
            }
            return mediaPackage.getIdentifier().compact();
        case SCHEDULE_MULTIPLE:
            List<Period> periods = schedulerService.calculatePeriods(rRule, start.toDate(), end.toDate(), duration, tz);
            Map<String, Period> scheduled = new LinkedHashMap<>();
            scheduled = schedulerService.addMultipleEvents(rRule, start.toDate(), end.toDate(), duration, tz, captureAgentId, presenterUsernames, eventHttpServletRequest.getMediaPackage().get(), configuration, (Map) caProperties, Opt.none(), Opt.none(), SchedulerService.ORIGIN);
            return StringUtils.join(scheduled.keySet(), ",");
        default:
            logger.warn("Unknown source type {}", type);
            throw new IllegalArgumentException("Unknown source type");
    }
}

Example 12 with DublinCoreCatalog

use of org.opencastproject.metadata.dublincore.DublinCoreCatalog in project opencast by opencast.

the class IndexServiceImpl method getDublinCoreCatalog.

/**
 * Get the {@link DublinCoreCatalog} from an {@link EventHttpServletRequest}.
 *
 * @param eventHttpServletRequest
 *          The request to extract the {@link DublinCoreCatalog} from.
 * @return The {@link DublinCoreCatalog}
 */
private DublinCoreCatalog getDublinCoreCatalog(EventHttpServletRequest eventHttpServletRequest) {
    DublinCoreCatalog dc;
    Opt<DublinCoreCatalog> dcOpt = DublinCoreUtil.loadEpisodeDublinCore(workspace, eventHttpServletRequest.getMediaPackage().get());
    if (dcOpt.isSome()) {
        dc = dcOpt.get();
        // make sure to bind the OC_PROPERTY namespace
        dc.addBindings(XmlNamespaceContext.mk(XmlNamespaceBinding.mk(DublinCores.OC_PROPERTY_NS_PREFIX, DublinCores.OC_PROPERTY_NS_URI)));
    } else {
        dc = DublinCores.mkOpencastEpisode().getCatalog();
    }
    return dc;
}

Example 13 with DublinCoreCatalog

use of org.opencastproject.metadata.dublincore.DublinCoreCatalog in project opencast by opencast.

the class ConfigurableEventDCCatalogUIAdapter method getFieldValuesFromCatalog.

private void getFieldValuesFromCatalog(DublinCoreMetadataCollection dublinCoreMetadata, Set<String> emptyFields, Catalog catalog) {
    DublinCoreCatalog dc = DublinCoreUtil.loadDublinCore(getWorkspace(), catalog);
    getFieldValuesFromDublinCoreCatalog(dublinCoreMetadata, emptyFields, dc);
}

Example 14 with DublinCoreCatalog

use of org.opencastproject.metadata.dublincore.DublinCoreCatalog in project opencast by opencast.

the class ConfigurableEventDCCatalogUIAdapter method storeFields.

@Override
public Catalog storeFields(MediaPackage mediaPackage, MetadataCollection abstractMetadata) {
    Catalog[] catalogs = mediaPackage.getCatalogs(getFlavor());
    final Catalog catalog;
    final DublinCoreCatalog dc;
    final String filename;
    if (catalogs.length == 0) {
        catalog = (Catalog) MediaPackageElementBuilderFactory.newInstance().newElementBuilder().newElement(org.opencastproject.mediapackage.MediaPackageElement.Type.Catalog, getFlavor());
        catalog.setIdentifier(UUID.randomUUID().toString());
        mediaPackage.add(catalog);
        dc = DublinCores.mkSimple();
        dc.addBindings(config.getXmlNamespaceContext());
        dc.setRootTag(new EName(config.getCatalogXmlRootNamespace(), config.getCatalogXmlRootElementName()));
        filename = "dublincore.xml";
    } else {
        catalog = catalogs[0];
        dc = DublinCoreUtil.loadDublinCore(getWorkspace(), catalog);
        dc.addBindings(config.getXmlNamespaceContext());
        filename = FilenameUtils.getName(catalog.getURI().toString());
    }
    DublinCoreMetadataUtil.updateDublincoreCatalog(dc, abstractMetadata);
    URI uri;
    InputStream inputStream = null;
    try {
        inputStream = IOUtils.toInputStream(dc.toXmlString(), "UTF-8");
        uri = getWorkspace().put(mediaPackage.getIdentifier().toString(), catalog.getIdentifier(), filename, inputStream);
        catalog.setURI(uri);
        // setting the URI to a new source so the checksum will most like be invalid
        catalog.setChecksum(null);
    } catch (IOException e) {
        logger.error("Unable to store catalog {} metadata to workspace: {}", catalog, ExceptionUtils.getStackTrace(e));
    } finally {
        IoSupport.closeQuietly(inputStream);
    }
    return catalog;
}

Example 15 with DublinCoreCatalog

use of org.opencastproject.metadata.dublincore.DublinCoreCatalog in project opencast by opencast.

the class ConfigurableSeriesDCCatalogUIAdapter method getFields.

@Override
public Opt<MetadataCollection> getFields(String seriesId) {
    final Opt<DublinCoreCatalog> optDCCatalog = loadDublinCoreCatalog(RequireUtil.requireNotBlank(seriesId, "seriesId"));
    if (optDCCatalog.isSome()) {
        DublinCoreMetadataCollection dublinCoreMetadata = new DublinCoreMetadataCollection();
        Set<String> emptyFields = new TreeSet<>(dublinCoreProperties.keySet());
        getFieldValuesFromDublinCoreCatalog(dublinCoreMetadata, emptyFields, optDCCatalog.get());
        populateEmptyFields(dublinCoreMetadata, emptyFields);
        return Opt.some((MetadataCollection) dublinCoreMetadata);
    } else {
        return Opt.none();
    }
}