Examples with AtomStatement org.swordapp.server.AtomStatement used on opensource projects

Example 1 with AtomStatement

use of org.swordapp.server.AtomStatement in project dataverse by IQSS.

the class StatementManagerImpl method getStatement.

@Override
public Statement getStatement(String editUri, Map<String, String> map, AuthCredentials authCredentials, SwordConfiguration swordConfiguration) throws SwordServerException, SwordError, SwordAuthException {
    AuthenticatedUser user = swordAuth.auth(authCredentials);
    DataverseRequest dvReq = new DataverseRequest(user, httpRequest);
    urlManager.processUrl(editUri);
    String globalId = urlManager.getTargetIdentifier();
    if (urlManager.getTargetType().equals("study") && globalId != null) {
        logger.fine("request for sword statement by user " + user.getDisplayInfo().getTitle());
        Dataset dataset = datasetService.findByGlobalId(globalId);
        if (dataset == null) {
            throw new SwordError(UriRegistry.ERROR_BAD_REQUEST, "couldn't find dataset with global ID of " + globalId);
        }
        Dataverse dvThatOwnsDataset = dataset.getOwner();
        if (!permissionService.isUserAllowedOn(user, new GetDraftDatasetVersionCommand(dvReq, dataset), dataset)) {
            throw new SwordError(UriRegistry.ERROR_BAD_REQUEST, "user " + user.getDisplayInfo().getTitle() + " is not authorized to view dataset with global ID " + globalId);
        }
        String feedUri = urlManager.getHostnamePlusBaseUrlPath(editUri) + "/edit/study/" + dataset.getGlobalId();
        String author = dataset.getLatestVersion().getAuthorsStr();
        String title = dataset.getLatestVersion().getTitle();
        // in the statement, the element is called "updated"
        Date lastUpdatedFinal = new Date();
        Date lastUpdateTime = dataset.getLatestVersion().getLastUpdateTime();
        if (lastUpdateTime != null) {
            lastUpdatedFinal = lastUpdateTime;
        } else {
            logger.info("lastUpdateTime was null, trying createtime");
            Date createtime = dataset.getLatestVersion().getCreateTime();
            if (createtime != null) {
                lastUpdatedFinal = createtime;
            } else {
                logger.info("creatime was null, using \"now\"");
                lastUpdatedFinal = new Date();
            }
        }
        AtomDate atomDate = new AtomDate(lastUpdatedFinal);
        String datedUpdated = atomDate.toString();
        Statement statement = new AtomStatement(feedUri, author, title, datedUpdated);
        Map<String, String> states = new HashMap<>();
        states.put("latestVersionState", dataset.getLatestVersion().getVersionState().toString());
        Boolean isMinorUpdate = dataset.getLatestVersion().isMinorUpdate();
        states.put("isMinorUpdate", isMinorUpdate.toString());
        if (dataset.isLocked()) {
            states.put("locked", "true");
            states.put("lockedDetail", dataset.getLocks().stream().map(l -> l.getInfo()).collect(joining(",")));
            Optional<DatasetLock> earliestLock = dataset.getLocks().stream().min((l1, l2) -> (int) Math.signum(l1.getStartTime().getTime() - l2.getStartTime().getTime()));
            states.put("lockedStartTime", earliestLock.get().getStartTime().toString());
        } else {
            states.put("locked", "false");
        }
        statement.setStates(states);
        List<FileMetadata> fileMetadatas = dataset.getLatestVersion().getFileMetadatas();
        for (FileMetadata fileMetadata : fileMetadatas) {
            DataFile dataFile = fileMetadata.getDataFile();
            // We are exposing the filename for informational purposes. The file id is what you
            // actually operate on to delete a file, etc.
            // 
            // Replace spaces to avoid IRISyntaxException
            String fileNameFinal = fileMetadata.getLabel().replace(' ', '_');
            String fileUrlString = urlManager.getHostnamePlusBaseUrlPath(editUri) + "/edit-media/file/" + dataFile.getId() + "/" + fileNameFinal;
            IRI fileUrl;
            try {
                fileUrl = new IRI(fileUrlString);
            } catch (IRISyntaxException ex) {
                throw new SwordError(UriRegistry.ERROR_BAD_REQUEST, "Invalid URL for file ( " + fileUrlString + " ) resulted in " + ex.getMessage());
            }
            ResourcePart resourcePart = new ResourcePart(fileUrl.toString());
            // default to something that doesn't throw a org.apache.abdera.util.MimeTypeParseException
            String finalFileFormat = "application/octet-stream";
            String contentType = dataFile.getContentType();
            if (contentType != null) {
                finalFileFormat = contentType;
            }
            resourcePart.setMediaType(finalFileFormat);
            /**
             * @todo: Why are properties set on a ResourcePart not exposed
             * when you GET a Statement? Asked about this at
             * http://www.mail-archive.com/sword-app-tech@lists.sourceforge.net/msg00394.html
             */
            // Map<String, String> properties = new HashMap<String, String>();
            // properties.put("filename", studyFile.getFileName());
            // properties.put("category", studyFile.getLatestCategory());
            // properties.put("originalFileType", studyFile.getOriginalFileType());
            // properties.put("id", studyFile.getId().toString());
            // properties.put("UNF", studyFile.getUnf());
            // resourcePart.setProperties(properties);
            statement.addResource(resourcePart);
        /**
         * @todo it's been noted at
         * https://github.com/IQSS/dataverse/issues/892#issuecomment-54159284
         * that at the file level the "updated" date is always "now",
         * which seems to be set here:
         * https://github.com/swordapp/JavaServer2.0/blob/sword2-server-1.0/src/main/java/org/swordapp/server/AtomStatement.java#L70
         */
        }
        return statement;
    } else {
        throw new SwordError(UriRegistry.ERROR_BAD_REQUEST, "Could not determine target type or identifier from URL: " + editUri);
    }
}