Examples with PublicationException org.opencastproject.publication.api.PublicationException used on opensource projects

Example 1 with PublicationException

use of org.opencastproject.publication.api.PublicationException in project opencast by opencast.

the class OaiPmhPublicationServiceImpl method retract.

protected Publication retract(Job job, MediaPackage mediaPackage, String repository) throws PublicationException, NotFoundException {
    String mpId = mediaPackage.getIdentifier().compact();
    // track elements for retraction
    MediaPackage oaiPmhMp = null;
    SearchResult searchResult = oaiPmhDatabase.search(QueryBuilder.queryRepo(repository).mediaPackageId(mpId).isDeleted(false).build());
    for (SearchResultItem searchResultItem : searchResult.getItems()) {
        if (oaiPmhMp == null) {
            oaiPmhMp = searchResultItem.getMediaPackage();
        } else {
            for (MediaPackageElement mpe : searchResultItem.getMediaPackage().getElements()) {
                oaiPmhMp.add(mpe);
            }
        }
    }
    // retract oai-pmh
    try {
        oaiPmhDatabase.delete(mpId, repository);
    } catch (OaiPmhDatabaseException e) {
        throw new PublicationException(format("Unable to retract media package %s from OAI-PMH repository %s", mpId, repository), e);
    }
    if (oaiPmhMp != null && oaiPmhMp.getElements().length > 0) {
        // retract files from distribution channels
        Set<String> mpeIds = new HashSet<>();
        for (MediaPackageElement mpe : oaiPmhMp.elements()) {
            if (MediaPackageElement.Type.Publication == mpe.getElementType())
                continue;
            mpeIds.add(mpe.getIdentifier());
        }
        if (!mpeIds.isEmpty()) {
            List<Job> retractionJobs = new ArrayList<>();
            // retract download
            try {
                Job retractDownloadJob = downloadDistributionService.retract(getPublicationChannelName(repository), oaiPmhMp, mpeIds);
                if (retractDownloadJob != null) {
                    retractionJobs.add(retractDownloadJob);
                }
            } catch (DistributionException e) {
                throw new PublicationException(format("Unable to create retraction job from distribution channel download for the media package %s ", mpId), e);
            }
            // retract streaming
            try {
                Job retractDownloadJob = streamingDistributionService.retract(getPublicationChannelName(repository), oaiPmhMp, mpeIds);
                if (retractDownloadJob != null) {
                    retractionJobs.add(retractDownloadJob);
                }
            } catch (DistributionException e) {
                throw new PublicationException(format("Unable to create retraction job from distribution channel streaming for the media package %s ", mpId), e);
            }
            if (retractionJobs.size() > 0) {
                // wait for distribution jobs
                if (!waitForJobs(job, serviceRegistry, retractionJobs).isSuccess())
                    throw new PublicationException(format("Unable to retract elements of media package %s from distribution channels.", mpId));
            }
        }
    }
    String publicationChannel = getPublicationChannelName(repository);
    for (Publication p : mediaPackage.getPublications()) {
        if (StringUtils.equals(publicationChannel, p.getChannel()))
            return p;
    }
    return null;
}

Example 2 with PublicationException

use of org.opencastproject.publication.api.PublicationException in project opencast by opencast.

the class OaiPmhPublicationServiceImpl method updateMetadata.

protected Publication updateMetadata(Job job, MediaPackage mediaPackage, String repository, Set<String> flavors, Set<String> tags, boolean checkAvailability) throws PublicationException {
    final Set<MediaPackageElementFlavor> parsedFlavors = new HashSet<>();
    for (String flavor : flavors) {
        parsedFlavors.add(MediaPackageElementFlavor.parseFlavor(flavor));
    }
    final MediaPackage filteredMp;
    final SearchResult result = oaiPmhDatabase.search(QueryBuilder.queryRepo(repository).mediaPackageId(mediaPackage).isDeleted(false).build());
    if (result.size() == 1) {
        // apply tags and flavors to the current media package
        try {
            logger.debug("filter elements with flavors {} and tags {} on media package {}", StringUtils.join(flavors, ", "), StringUtils.join(tags, ", "), MediaPackageParser.getAsXml(mediaPackage));
            filteredMp = filterMediaPackage(mediaPackage, parsedFlavors, tags);
        } catch (MediaPackageException e) {
            throw new PublicationException("Error filtering media package", e);
        }
    } else if (result.size() == 0) {
        logger.info(format("Skipping update of media package %s since it is not currently published to %s", mediaPackage, repository));
        return null;
    } else {
        final String msg = format("More than one media package with id %s found", mediaPackage.getIdentifier().compact());
        logger.warn(msg);
        throw new PublicationException(msg);
    }
    // re-distribute elements to download
    Set<String> elementIdsToDistribute = new HashSet<>();
    for (MediaPackageElement mpe : filteredMp.getElements()) {
        // do not distribute publications
        if (MediaPackageElement.Type.Publication == mpe.getElementType())
            continue;
        elementIdsToDistribute.add(mpe.getIdentifier());
    }
    if (elementIdsToDistribute.isEmpty()) {
        logger.debug("The media package {} does not contain any elements to update. " + "Skip OAI-PMH metadata update operation for repository {}", mediaPackage.getIdentifier().compact(), repository);
        return null;
    }
    logger.debug("distribute elements {}", StringUtils.join(elementIdsToDistribute, ", "));
    final List<MediaPackageElement> distributedElements = new ArrayList<>();
    try {
        Job distJob = downloadDistributionService.distribute(getPublicationChannelName(repository), filteredMp, elementIdsToDistribute, checkAvailability);
        if (job == null)
            throw new PublicationException("The distribution service can not handle this type of media package elements.");
        if (!waitForJobs(job, serviceRegistry, distJob).isSuccess()) {
            throw new PublicationException(format("Unable to distribute updated elements from media package %s to the download distribution service", mediaPackage.getIdentifier().compact()));
        }
        if (distJob.getPayload() != null) {
            for (MediaPackageElement mpe : MediaPackageElementParser.getArrayFromXml(distJob.getPayload())) {
                distributedElements.add(mpe);
            }
        }
    } catch (DistributionException | MediaPackageException e) {
        throw new PublicationException(format("Unable to distribute updated elements from media package %s to the download distribution service", mediaPackage.getIdentifier().compact()), e);
    }
    // update elements (URLs)
    for (MediaPackageElement e : filteredMp.getElements()) {
        if (MediaPackageElement.Type.Publication.equals(e.getElementType()))
            continue;
        filteredMp.remove(e);
    }
    for (MediaPackageElement e : distributedElements) {
        filteredMp.add(e);
    }
    MediaPackage publishedMp = merge(filteredMp, removeMatchingNonExistantElements(filteredMp, (MediaPackage) result.getItems().get(0).getMediaPackage().clone(), parsedFlavors, tags));
    // Does the media package have a title and track?
    if (!MediaPackageSupport.isPublishable(publishedMp)) {
        throw new PublicationException("Media package does not meet criteria for publication");
    }
    // Publish the media package to OAI-PMH
    try {
        logger.debug(format("Updating metadata of media package %s in %s", publishedMp.getIdentifier().compact(), repository));
        oaiPmhDatabase.store(publishedMp, repository);
    } catch (OaiPmhDatabaseException e) {
        throw new PublicationException(format("Media package %s could not be updated", publishedMp.getIdentifier().compact()));
    }
    // retract orphaned elements from download distribution
    // orphaned elements are all those elements to which the updated media package no longer refers (in terms of element uri)
    Map<URI, MediaPackageElement> elementUriMap = new Hashtable<>();
    for (SearchResultItem oaiPmhSearchResultItem : result.getItems()) {
        for (MediaPackageElement mpe : oaiPmhSearchResultItem.getMediaPackage().getElements()) {
            if (MediaPackageElement.Type.Publication == mpe.getElementType() || null == mpe.getURI())
                continue;
            elementUriMap.put(mpe.getURI(), mpe);
        }
    }
    for (MediaPackageElement publishedMpe : publishedMp.getElements()) {
        if (MediaPackageElement.Type.Publication == publishedMpe.getElementType())
            continue;
        if (elementUriMap.containsKey(publishedMpe.getURI()))
            elementUriMap.remove(publishedMpe.getURI());
    }
    Set<String> orphanedElementIds = new HashSet<>();
    for (MediaPackageElement orphanedMpe : elementUriMap.values()) {
        orphanedElementIds.add(orphanedMpe.getIdentifier());
    }
    if (!orphanedElementIds.isEmpty()) {
        for (SearchResultItem oaiPmhSearchResultItem : result.getItems()) {
            try {
                Job retractJob = downloadDistributionService.retract(getPublicationChannelName(repository), oaiPmhSearchResultItem.getMediaPackage(), orphanedElementIds);
                if (retractJob != null) {
                    if (!waitForJobs(job, serviceRegistry, retractJob).isSuccess())
                        logger.warn("The download distribution retract job for the orphaned elements from media package {} does not end successfully", oaiPmhSearchResultItem.getMediaPackage().getIdentifier().compact());
                }
            } catch (DistributionException e) {
                logger.warn("Unable to retract orphaned elements from download distribution service for the media package {} channel {}", oaiPmhSearchResultItem.getMediaPackage().getIdentifier().compact(), getPublicationChannelName(repository), e);
            }
        }
    }
    // return the publication
    String publicationChannel = getPublicationChannelName(repository);
    for (Publication p : mediaPackage.getPublications()) {
        if (StringUtils.equals(publicationChannel, p.getChannel()))
            return p;
    }
    return null;
}

Example 3 with PublicationException

use of org.opencastproject.publication.api.PublicationException in project opencast by opencast.

the class OaiPmhPublicationServiceRemoteImpl method updateMetadata.

@Override
public Job updateMetadata(MediaPackage mediaPackage, String repository, Set<String> flavors, Set<String> tags, boolean checkAvailability) throws PublicationException {
    final String mediapackageXml = MediaPackageParser.getAsXml(mediaPackage);
    final List<BasicNameValuePair> params = new ArrayList<>();
    params.add(new BasicNameValuePair("mediapackage", mediapackageXml));
    params.add(new BasicNameValuePair("channel", repository));
    params.add(new BasicNameValuePair("flavors", StringUtils.join(flavors, ";;")));
    params.add(new BasicNameValuePair("tags", StringUtils.join(tags, ";;")));
    params.add(new BasicNameValuePair("checkAvailability", Boolean.toString(checkAvailability)));
    final HttpPost post = new HttpPost("/updateMetadata");
    HttpResponse response = null;
    try {
        post.setEntity(new UrlEncodedFormEntity(params, UTF_8));
        response = getResponse(post);
        if (response != null) {
            logger.info("Update media package {} metadata in OAI-PMH channel {} using a remote publication service", mediaPackage.getIdentifier().compact(), repository);
            return JobParser.parseJob(response.getEntity().getContent());
        }
    } catch (Exception e) {
        throw new PublicationException(format("Unable to update media package %s metadata in OAI-PMH repository %s using a remote publication service.", mediaPackage.getIdentifier().compact(), repository), e);
    } finally {
        closeConnection(response);
    }
    throw new PublicationException(format("Unable to update media package %s metadata in OAI-PMH repository %s using a remote publication service.", mediaPackage.getIdentifier().compact(), repository));
}

Example 4 with PublicationException

use of org.opencastproject.publication.api.PublicationException in project opencast by opencast.

the class OaiPmhPublicationServiceRemoteImpl method retract.

@Override
public Job retract(MediaPackage mediaPackage, String repository) throws PublicationException {
    String mediapackageXml = MediaPackageParser.getAsXml(mediaPackage);
    List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();
    params.add(new BasicNameValuePair("mediapackage", mediapackageXml));
    params.add(new BasicNameValuePair("channel", repository));
    HttpPost post = new HttpPost("/retract");
    HttpResponse response = null;
    post.setEntity(new UrlEncodedFormEntity(params, UTF_8));
    try {
        response = getResponse(post);
        Job receipt = null;
        if (response != null) {
            logger.info("Retracting {} from OAI-PMH channel {} using a remote publication service", mediaPackage.getIdentifier().compact(), repository);
            try {
                receipt = JobParser.parseJob(response.getEntity().getContent());
                return receipt;
            } catch (Exception e) {
                throw new PublicationException(format("Unable to retract media package %s from OAI-PMH channel %s using a remote publication service", mediaPackage.getIdentifier().compact(), repository), e);
            }
        }
    } finally {
        closeConnection(response);
    }
    throw new PublicationException(format("Unable to retract media package %s from OAI-PMH channel %s using a remote publication service", mediaPackage.getIdentifier().compact(), repository));
}

Example 5 with PublicationException

use of org.opencastproject.publication.api.PublicationException in project opencast by opencast.

the class OaiPmhPublicationServiceRemoteImpl method publish.

@Override
public Job publish(MediaPackage mediaPackage, String repository, Set<String> downloadIds, Set<String> streamingIds, boolean checkAvailability) throws PublicationException, MediaPackageException {
    final String mediapackageXml = MediaPackageParser.getAsXml(mediaPackage);
    final List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();
    params.add(new BasicNameValuePair("mediapackage", mediapackageXml));
    params.add(new BasicNameValuePair("channel", repository));
    params.add(new BasicNameValuePair("downloadElementIds", StringUtils.join(downloadIds, ";;")));
    params.add(new BasicNameValuePair("streamingElementIds", StringUtils.join(streamingIds, ";;")));
    params.add(new BasicNameValuePair("checkAvailability", Boolean.toString(checkAvailability)));
    final HttpPost post = new HttpPost();
    HttpResponse response = null;
    try {
        post.setEntity(new UrlEncodedFormEntity(params, UTF_8));
        response = getResponse(post);
        if (response != null) {
            logger.info("Publishing media package {} to OAI-PMH channel {} using a remote publication service", mediaPackage, repository);
            try {
                return JobParser.parseJob(response.getEntity().getContent());
            } catch (Exception e) {
                throw new PublicationException("Unable to publish media package '" + mediaPackage + "' using a remote OAI-PMH publication service", e);
            }
        }
    } catch (Exception e) {
        throw new PublicationException("Unable to publish media package " + mediaPackage + " using a remote OAI-PMH publication service.", e);
    } finally {
        closeConnection(response);
    }
    throw new PublicationException("Unable to publish mediapackage " + mediaPackage + " using a remote OAI-PMH publication service.");
}