Examples of Datastream

one.nio.serial.DataStream
opennlp.maxent.DataStream
A interface for objects which can deliver a stream of training data to be supplied to an EventStream. It is not necessary to use a DataStream in a Maxent application, but it can be used to support a wider variety of formats in which your training data can be held.
org.fcrepo.client.batch.types.Datastream
@author Sandy Payette
org.fcrepo.server.storage.types.Datastream
A Fedora datastream. @author Sandy Payette
org.fcrepo.server.types.gen.Datastream

Examples of org.fcrepo.server.storage.types.Datastream

    private void appendFileSecs(DigitalObject obj, PrintWriter writer)
            throws ObjectIntegrityException, StreamIOException {
        Iterator<String> iter = obj.datastreamIdIterator();
        boolean didFileSec = false;
        while (iter.hasNext()) {
            Datastream ds =
                    DOTranslationUtility.setDatastreamDefaults(obj
                            .datastreams(iter.next()).iterator().next());
            if (!ds.DSControlGrp.equals("X")) {
                if (!didFileSec) {
                    didFileSec = true;
                    writer.print("<");
                    writer.print(METS.prefix);
                    writer.print(":fileSec>\n");
                    writer.print("<");
                    writer.print(METS.prefix);
                    writer.print(":fileGrp ID=\"DATASTREAMS\">\n");
                }
                writer.print("<");
                writer.print(METS.prefix);
                writer.print(":fileGrp ID=\"");
                writer.print(ds.DatastreamID);
                writer.print("\" STATUS=\"");
                writer.print(ds.DSState);
                writer.print("\" VERSIONABLE=\"");
                writer.print(ds.DSVersionable);
                writer.print("\">\n");
                Iterator<Datastream> contentIter =
                        obj.datastreams(ds.DatastreamID).iterator();
                while (contentIter.hasNext()) {
                    Datastream dsc =
                            DOTranslationUtility
                                    .setDatastreamDefaults(contentIter.next());




                    writer.print("<");

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Examples of org.fcrepo.server.storage.types.Datastream

                continue;
            }


            Entry dsEntry = m_feed.addEntry();


            Datastream latestCreated = null;
            long latestCreateTime = -1;


            for (Datastream v : m_obj.datastreams(dsid)) {
                Datastream dsv = DOTranslationUtility.setDatastreamDefaults(v);


                // Keep track of the most recent datastream version
                if (dsv.DSCreateDT.getTime() > latestCreateTime) {
                    latestCreateTime = dsv.DSCreateDT.getTime();
                    latestCreated = dsv;
                }


                Entry dsvEntry = m_feed.addEntry();
                dsvEntry.setId(m_pid.toURI() + "/" + dsv.DatastreamID + "/"
                        + DateUtility.convertDateToString(dsv.DSCreateDT));
                dsvEntry.setTitle(dsv.DSVersionID);
                dsvEntry.setUpdated(dsv.DSCreateDT);


                ThreadHelper.addInReplyTo(dsvEntry, m_pid.toURI() + "/"
                        + dsv.DatastreamID);


                String altIds =
                        DOTranslationUtility.oneString(dsv.DatastreamAltIDs);
                if (altIds != null && !altIds.equals("")) {
                    dsvEntry.addCategory(MODEL.ALT_IDS.uri, altIds, null);
                }
                if (dsv.DSFormatURI != null && !dsv.DSFormatURI.equals("")) {
                    dsvEntry.addCategory(MODEL.FORMAT_URI.uri,
                                         dsv.DSFormatURI,
                                         null);
                }


                dsvEntry.addCategory(MODEL.LABEL.uri, dsv.DSLabel == null ? ""
                        : dsv.DSLabel, null);


                // include checksum if it has a value
                String csType = dsv.getChecksumType();
                if (csType != null && csType.length() > 0
                        && !csType.equals(Datastream.CHECKSUMTYPE_DISABLED)) {
                    dsvEntry.addCategory(MODEL.DIGEST_TYPE.uri, csType, null);
                    dsvEntry.addCategory(MODEL.DIGEST.uri,
                                         dsv.getChecksum(),
                                         null);
                }


                // include size if it's non-zero
                if (dsv.DSSize != 0) {

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Examples of org.fcrepo.server.storage.types.Datastream

            throws UnsupportedEncodingException, StreamIOException,
            ObjectIntegrityException {
        IRI ref = ThreadHelper.getInReplyTo(entry).getRef();
        Entry parent = m_feed.getEntry(ref.toString());


        Datastream ds;
        String controlGroup = getDSControlGroup(parent);
        if (controlGroup.equals("X")) {
            ds = addInlineDatastreamVersion(entry);
        } else if (controlGroup.equals("M")) {
            ds = addManagedDatastreamVersion(entry);

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Examples of org.fcrepo.server.storage.types.Datastream

        return ds;
    }


    private Datastream addExternalReferencedDatastreamVersion(Entry entry)
            throws ObjectIntegrityException {
        Datastream ds = new DatastreamReferencedContent();
        setDSCommonProperties(ds, entry);
        ds.DSLocation = entry.getContentSrc().toString();
        // Normalize the dsLocation for the deserialization context
        ds.DSLocation =
                (DOTranslationUtility.normalizeDSLocationURLs(m_obj.getPid(),

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Examples of org.fcrepo.server.storage.types.Datastream

        return ds;
    }


    private Datastream addManagedDatastreamVersion(Entry entry)
            throws StreamIOException, ObjectIntegrityException {
        Datastream ds = new DatastreamManagedContent();
        setDSCommonProperties(ds, entry);
        ds.DSLocationType = Datastream.DS_LOCATION_TYPE_INTERNAL;


        ds.DSMIME = getDSMimeType(entry);

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Examples of org.fcrepo.server.storage.types.Datastream

                if ("".equals(datastreamId)) {
                    logger.debug("no datastreamId");
                    return null;
                }
                logger.debug("datastreamId=" + datastreamId);
                Datastream datastream;
                try {
                    datastream = reader.GetDatastream(datastreamId, new Date()); //right import (above)?
                } catch (ServerException e) {
                    logger.debug("couldn't get datastream");
                    return null;

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Examples of org.fcrepo.server.storage.types.Datastream

                date = new Date();
            }
            dbRowValues[5] = "" + date.getTime();


            // do dc stuff if needed
            Datastream dcmd = null;
            try {
                dcmd = reader.GetDatastream("DC", null);
            } catch (ClassCastException cce) {
                throw new ObjectIntegrityException("Object "
                        + reader.GetObjectPID()
                        + " has a DC datastream, but it's not inline XML.");
            }
            if (dcmd == null) {
                dbRowValues[6] = "0";
            } else {
                dbRowValues[6] = "" + dcmd.DSCreateDT.getTime();
            }
            if (dcmd != null && m_indexDCFields) {
                InputStream in = dcmd.getContentStream();
                DCFields dc = new DCFields(in);


                dbRowValues[7] = getDbValue(dc.titles());
                dbRowValues[8] = getDbValue(dc.creators());
                dbRowValues[9] = getDbValue(dc.subjects());

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Examples of org.fcrepo.server.storage.types.Datastream

                                       ReadOnlyContext.EMPTY,
                                       pid);
        ObjectFields f;
        // If there's a DC record available, use SAX to parse the most
        // recent version of it into f.
        Datastream dcmd = null;
        try {
            dcmd = r.GetDatastream("DC", null);
        } catch (ClassCastException cce) {
            throw new ObjectIntegrityException("Object " + r.GetObjectPID()
                    + " has a DC datastream, but it's not inline XML.");
        }
        if (dcmd != null) {
            f = new ObjectFields(m_resultFields, dcmd.getContentStream());
            // add dcmDate if wanted
            for (String element : m_resultFields) {
                if (element.equals("dcmDate")) {
                    f.setDCMDate(dcmd.DSCreateDT);
                }

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Examples of org.fcrepo.server.storage.types.Datastream

     * {@link org.fcrepo.server.storage.translation.DOTranslationUtility#normalizeDSLocationURLs(java.lang.String, org.fcrepo.server.storage.types.Datastream, int)}.
     */
    @Test
    public void testNormalizeDSLocationURLs() {
        String baseURL = getBaseURL();
        Datastream ds, ds2;
        String pid = "demo:foo";


        ContextControlPair[] absoluteURLPairs =
                {new ContextControlPair(DESERIALIZE_INSTANCE, "E"),
                        new ContextControlPair(DESERIALIZE_INSTANCE, "R"),

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Examples of org.fcrepo.server.storage.types.Datastream

     * 2=DOTranslationUtility.SERIALIZE_EXPORT_ARCHIVE @return
     */
    public static Datastream normalizeDSLocationURLs(String PID,
                                                     Datastream origDS,
                                                     int transContext) {
        Datastream ds = origDS.copy();
        if (transContext == AS_IS) {
            return ds;
        }
        if (transContext == DOTranslationUtility.DESERIALIZE_INSTANCE) {
            if (ds.DSControlGrp.equals("E") || ds.DSControlGrp.equals("R")) {

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