Examples with Catalog org.opencastproject.mediapackage.Catalog used on opensource projects

Example 51 with Catalog

use of org.opencastproject.mediapackage.Catalog in project opencast by opencast.

the class InspectWorkflowOperationHandler method updateDublinCore.

/**
 * Updates those dublin core fields that can be gathered from the technical metadata.
 *
 * @param mediaPackage
 *          the media package
 */
protected void updateDublinCore(MediaPackage mediaPackage) throws Exception {
    // Complete episode dublin core catalog (if available)
    Catalog[] dcCatalogs = mediaPackage.getCatalogs(MediaPackageElements.EPISODE, MediaPackageReferenceImpl.ANY_MEDIAPACKAGE);
    if (dcCatalogs.length > 0) {
        DublinCoreCatalog dublinCore = loadDublinCoreCatalog(dcCatalogs[0]);
        // Extent
        if (mediaPackage.getDuration() != null && !dublinCore.hasValue(DublinCore.PROPERTY_EXTENT)) {
            DublinCoreValue extent = EncodingSchemeUtils.encodeDuration(mediaPackage.getDuration());
            dublinCore.set(DublinCore.PROPERTY_EXTENT, extent);
            logger.debug("Setting dc:extent to '{}'", extent.getValue());
        }
        // Date created
        if (mediaPackage.getDate() != null && !dublinCore.hasValue(DublinCore.PROPERTY_CREATED)) {
            DublinCoreValue date = EncodingSchemeUtils.encodeDate(mediaPackage.getDate(), Precision.Minute);
            dublinCore.set(DublinCore.PROPERTY_CREATED, date);
            logger.debug("Setting dc:date to '{}'", date.getValue());
        }
        // Serialize changed dublin core
        InputStream in = dcService.serialize(dublinCore);
        String mpId = mediaPackage.getIdentifier().toString();
        String elementId = dcCatalogs[0].getIdentifier();
        workspace.put(mpId, elementId, FilenameUtils.getName(dcCatalogs[0].getURI().getPath()), in);
        dcCatalogs[0].setURI(workspace.getURI(mpId, elementId));
    }
}

Example 52 with Catalog

use of org.opencastproject.mediapackage.Catalog in project opencast by opencast.

the class AbstractEventEndpoint method getCatalog.

@GET
@Path("{eventId}/asset/catalog/{id}.json")
@Produces(MediaType.APPLICATION_JSON)
@RestQuery(name = "getCatalog", description = "Returns the details of a catalog from the given event and catalog id as JSON", returnDescription = "The details of a catalog from the given event and catalog id as JSON", pathParameters = { @RestParameter(name = "eventId", description = "The event id", isRequired = true, type = RestParameter.Type.STRING), @RestParameter(name = "id", description = "The catalog id", isRequired = true, type = RestParameter.Type.STRING) }, reponses = { @RestResponse(description = "Returns the details of a catalog from the given event and catalog id as JSON", responseCode = HttpServletResponse.SC_OK), @RestResponse(description = "No event or catalog with this identifier was found.", responseCode = HttpServletResponse.SC_NOT_FOUND) })
public Response getCatalog(@PathParam("eventId") String eventId, @PathParam("id") String id) throws NotFoundException, SearchIndexException, IndexServiceException {
    MediaPackage mp = getMediaPackageByEventId(eventId);
    Catalog catalog = mp.getCatalog(id);
    if (catalog == null)
        return notFound("Cannot find a catalog with id '%s'.", id);
    return okJson(catalogToJSON(catalog));
}

Example 53 with Catalog

use of org.opencastproject.mediapackage.Catalog in project opencast by opencast.

the class ConfigurableWorkflowOperationHandlerBase method retractPublicationElements.

/**
 * Remove the {@link Publication}'s {@link MediaPackageElement}s from a given channel.
 *
 * @param channelId
 *          The channel to remove the {@link MediaPackageElement}s from.
 * @param publication
 *          The {@link Publication} that is being removed.
 * @param mp
 *          The {@link MediaPackage} that the {@link Publication} is part of.
 * @return the number of {@link MediaPackageElement}s that have been retracted
 * @throws WorkflowOperationException
 *           Thrown if unable to retract the {@link MediaPackageElement}s.
 */
private int retractPublicationElements(String channelId, Publication publication, MediaPackage mp) throws WorkflowOperationException {
    assert ((channelId != null) && (publication != null) && (mp != null));
    MediaPackage mediapackageWithPublicationElements = (MediaPackage) mp.clone();
    // Add the publications to the mediapackage so that we can use the standard retract
    addPublicationElementsToMediaPackage(publication, mediapackageWithPublicationElements);
    Set<String> elementIds = new HashSet<>();
    for (Attachment attachment : publication.getAttachments()) {
        elementIds.add(attachment.getIdentifier());
    }
    for (Catalog catalog : publication.getCatalogs()) {
        elementIds.add(catalog.getIdentifier());
    }
    for (Track track : publication.getTracks()) {
        elementIds.add(track.getIdentifier());
    }
    if (elementIds.size() > 0) {
        logger.info("Retracting {} elements of media package {} from publication channel {}", elementIds.size(), mp, channelId);
        Job job = null;
        try {
            job = getDistributionService().retract(channelId, mediapackageWithPublicationElements, elementIds);
        } catch (DistributionException e) {
            logger.error("Error while retracting '{}' elements from channel '{}' of distribution '{}': {}", elementIds.size(), channelId, getDistributionService(), getStackTrace(e));
            throw new WorkflowOperationException("The retraction job did not complete successfully");
        }
        if (!waitForStatus(job).isSuccess()) {
            throw new WorkflowOperationException("The retraction job did not complete successfully");
        }
    } else {
        logger.debug("No publication elements were found for retraction");
    }
    return elementIds.size();
}

Example 54 with Catalog

use of org.opencastproject.mediapackage.Catalog in project opencast by opencast.

the class CatalogBuilderPlugin method elementFromURI.

/**
 * @see org.opencastproject.mediapackage.elementbuilder.MediaPackageElementBuilderPlugin#elementFromURI(URI)
 */
@Override
public MediaPackageElement elementFromURI(URI uri) throws UnsupportedElementException {
    logger.trace("Creating video track from " + uri);
    Catalog track = CatalogImpl.fromURI(uri);
    return track;
}

Example 55 with Catalog

use of org.opencastproject.mediapackage.Catalog in project opencast by opencast.

the class CatalogBuilderPlugin method elementFromManifest.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.mediapackage.elementbuilder.MediaPackageElementBuilderPlugin#elementFromManifest(org.w3c.dom.Node,
 *      org.opencastproject.mediapackage.MediaPackageSerializer)
 */
@Override
public MediaPackageElement elementFromManifest(Node elementNode, MediaPackageSerializer serializer) throws UnsupportedElementException {
    String id = null;
    String flavor = null;
    URI url = null;
    long size = -1;
    Checksum checksum = null;
    MimeType mimeType = null;
    String reference = null;
    try {
        // id
        id = (String) xpath.evaluate("@id", elementNode, XPathConstants.STRING);
        // url
        url = serializer.decodeURI(new URI(xpath.evaluate("url/text()", elementNode).trim()));
        // flavor
        flavor = (String) xpath.evaluate("@type", elementNode, XPathConstants.STRING);
        // reference
        reference = (String) xpath.evaluate("@ref", elementNode, XPathConstants.STRING);
        // size
        String documentSize = xpath.evaluate("size/text()", elementNode).trim();
        if (!"".equals(documentSize))
            size = Long.parseLong(documentSize);
        // checksum
        String checksumValue = (String) xpath.evaluate("checksum/text()", elementNode, XPathConstants.STRING);
        String checksumType = (String) xpath.evaluate("checksum/@type", elementNode, XPathConstants.STRING);
        if (StringUtils.isNotEmpty(checksumValue) && checksumType != null)
            checksum = Checksum.create(checksumType.trim(), checksumValue.trim());
        // mimetype
        String mimeTypeValue = (String) xpath.evaluate("mimetype/text()", elementNode, XPathConstants.STRING);
        if (StringUtils.isNotEmpty(mimeTypeValue))
            mimeType = MimeTypes.parseMimeType(mimeTypeValue);
        // create the catalog
        Catalog dc = CatalogImpl.fromURI(url);
        if (StringUtils.isNotEmpty(id))
            dc.setIdentifier(id);
        // Add url
        dc.setURI(url);
        // Add flavor
        if (flavor != null)
            dc.setFlavor(MediaPackageElementFlavor.parseFlavor(flavor));
        // Add reference
        if (StringUtils.isNotEmpty(reference))
            dc.referTo(MediaPackageReferenceImpl.fromString(reference));
        // Set size
        if (size > 0)
            dc.setSize(size);
        // Set checksum
        if (checksum != null)
            dc.setChecksum(checksum);
        // Set Mimetype
        if (mimeType != null)
            dc.setMimeType(mimeType);
        // Tags
        NodeList tagNodes = (NodeList) xpath.evaluate("tags/tag", elementNode, XPathConstants.NODESET);
        for (int i = 0; i < tagNodes.getLength(); i++) {
            dc.addTag(tagNodes.item(i).getTextContent());
        }
        return dc;
    } catch (XPathExpressionException e) {
        throw new UnsupportedElementException("Error while reading catalog information from manifest: " + e.getMessage());
    } catch (NoSuchAlgorithmException e) {
        throw new UnsupportedElementException("Unsupported digest algorithm: " + e.getMessage());
    } catch (URISyntaxException e) {
        throw new UnsupportedElementException("Error while reading dublin core catalog " + url + ": " + e.getMessage());
    }
}