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

org.fcrepo.server.storage.types.DigitalObject
Java representation of a Fedora digital object.
A DigitalObject instance may be used by DOReader and DOWriter instances as temporary storage for an object's attributes and components.

Implementations of this interface are responsible for temporary storage of these items, by whatever mechanism they deem fit. The most obvious implementation would simply store everything in memory.

Implementations of this interface are not responsible for any sort of validation on these items, or serialization/deserialization to/from specific formats.
@author Chris Wilper

    public void testIndexAndFindByDCIdentifier() throws Exception {
        init(maxResultsDefault, maxSecondsPerSessionDefault, true);


        // add one object with DC to index
        String pid1 = "test:1";
        DigitalObject obj1 = getTestObject(pid1, pid1);
        String dcContent = "<dc:identifier>" + pid1 + "</dc:identifier>";
        addXDatastream(obj1, "DC", getDC(dcContent));


        setDates(obj1, new Date());
        m_repo.putObject(obj1);

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        doSimpleTest(SERVICE_DEFINITION_3_0);
    }


    @Test
    public void testTwoInlineDatastreams() {
        DigitalObject obj = createTestObject(FEDORA_OBJECT_3_0);


        final String dsID1 = "DS1";
        DatastreamXMLMetadata ds1 = createXDatastream(dsID1);


        final String dsID2 = "DS2";
        DatastreamXMLMetadata ds2 = createXDatastream(dsID2);


        obj.addDatastreamVersion(ds1, true);
        obj.addDatastreamVersion(ds2, true);


        DigitalObject result = doDeserializeOrFail(obj);
        int numDatastreams = 0;
        Iterator<String> iter = result.datastreamIdIterator();
        while (iter.hasNext()) {
            iter.next();
            numDatastreams++;
        }


        /* 3 datastreams: ds1, ds2, rels-ext */
        assertEquals(3, numDatastreams);
        assertTrue(result.datastreams(dsID1).iterator().hasNext());
        assertTrue(result.datastreams(dsID2).iterator().hasNext());
    }

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     * @throws Exception
     */
    @Test
    public void testInlineXMLCopyIntegrity() throws Exception {


        DigitalObject original = createTestObject(FEDORA_OBJECT_3_0);
        final String dsID1 = "DS1";


        /* Populate the object with a test datastream and serialize */
        DatastreamXMLMetadata ds1 = createXDatastream(dsID1);
        original.addDatastreamVersion(ds1, true);


        DigitalObject copy = translatedCopy(original);
        DigitalObject copyOfCopy = translatedCopy(copy);


        DatastreamXMLMetadata ds1copy =
                (DatastreamXMLMetadata) copy.datastreams(dsID1).iterator()
                        .next();
        DatastreamXMLMetadata ds1copyOfCopy =
                (DatastreamXMLMetadata) copyOfCopy.datastreams(dsID1)
                        .iterator().next();


        assertEquals("Length of XML datastream copies is not deterministic!",
                     ds1copy.xmlContent.length,
                     ds1copyOfCopy.xmlContent.length);

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        record.id = "AUDREC1";
        record.justification = "malice";
        record.processType = "Fedora API-M";
        record.responsibility = "fedoraAdmin";


        DigitalObject original = createTestObject(FEDORA_OBJECT_3_0);
        original.getAuditRecords().add(record);


        // serialize to file
        File temp = File.createTempFile("audit", ".xml");
        OutputStream out = new FileOutputStream(temp);
        m_serializer.serialize(original, out, "utf-8", DOTranslationUtility.SERIALIZE_EXPORT_PUBLIC);
        out.close();


        // deserialize
        DigitalObject candidate = new BasicDigitalObject();
        InputStream in = new FileInputStream(temp);
        m_deserializer.deserialize(in, candidate, "utf-8", DOTranslationUtility.DESERIALIZE_INSTANCE);
        List<AuditRecord> a1 = original.getAuditRecords();
        List<AuditRecord> a2 = candidate.getAuditRecords();
        assertEquals(a1.size(), a2.size());
        for (int i = 0; i < a1.size(); i++) {
            assertEquals(a1.get(i).action, a2.get(i).action);
            assertEquals(a1.get(i).componentID, a2.get(i).componentID);
            assertEquals(a1.get(i).date, a2.get(i).date);

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     * </p>
     */
    @Test
    public void testNullObjectProperties() {
        final String EXT_PROP = "http://example.org/test";
        DigitalObject input = createTestObject(FEDORA_OBJECT_3_0);
        input.setCreateDate(null);
        input.setLastModDate(null);
        input.setLabel(null);
        input.setOwnerId(null);
        input.setState(null);
        input.setExtProperty(EXT_PROP, null);


        DigitalObject obj = doDeserializeOrFail(input);


        assertNull("Create date should be null", obj.getCreateDate());
        assertNull("LastMod date should be null", obj.getLastModDate());
        assertEquals("Null label should be interpreted as empty string", "", obj.getLabel());
        assertEquals("Null ownerid should be interpreted as empty string", "", obj.getOwnerId());
        assertEquals("Null state should be interpreted as active", "A", obj.getState());
        assertNull("Ext property should be null", obj.getExtProperty(EXT_PROP));
    }

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     */
    @Test
    public void testEmptyObjectProperties() {
        final String EXT_PROP_SUPPORTED = "http://example.org/ext-supported";
        final String EXT_PROP = "http://example.org/test";
        DigitalObject input = createTestObject(FEDORA_OBJECT_3_0);
        input.setLabel("");
        input.setOwnerId("");
        //input.setState("");
        input.setExtProperty(EXT_PROP_SUPPORTED, "true");
        input.setExtProperty(EXT_PROP, "");
        DigitalObject obj = doDeserializeOrFail(input);


        assertEquals("Empty label should remain empty", "", obj.getLabel());
        assertEquals("Empty Ownerid should remain empty", "", obj.getOwnerId());
        assertEquals("Empty State should be interpreted as active", "A", obj.getState());


        /* Some formats (METS) don't support ext. properties */
        if ("true".equals(obj.getExtProperty(EXT_PROP_SUPPORTED))) {
            assertEquals("Empty Ext property should remain empty", "", obj.getExtProperty(EXT_PROP));
        }
    }

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    }


    @Test
    public void testFedoraLocalServerSubstitution() {


        DigitalObject o = createTestObject(SERVICE_DEPLOYMENT_3_0);
        DatastreamXMLMetadata ds1 = createXDatastream("WSDL");
        ds1.xmlContent = "<test>http://local.fedora.server/</test>".getBytes();


        o.addDatastreamVersion(ds1, false);


        DigitalObject processed = doDeserializeOrFail(o);


        DatastreamXMLMetadata ds1proc =
                (DatastreamXMLMetadata) processed.datastreams("WSDL")
                        .iterator().next();


        Iterator<String> ids = processed.datastreamIdIterator();


        String content = new String(ds1proc.xmlContent);
        assertFalse(content.contains("local.fedora.server"));
        assertTrue(content.contains("http"));
    }

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     * @throws StreamIOException
     */
    private DigitalObject translatedCopy(DigitalObject original)
            throws UnsupportedEncodingException, ObjectIntegrityException,
            StreamIOException {
        DigitalObject copy = new BasicDigitalObject();
        ByteArrayOutputStream out = new ByteArrayOutputStream();


        m_serializer.serialize(original,
                               out,
                               "UTF-8",

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    //---
    // Instance helpers
    //---


    protected void doSimpleTest(URIReference... models) {
        DigitalObject input = createTestObject(models);
        DigitalObject obj = doDeserializeOrFail(input);


        for (URIReference model : models) {
            assertTrue("Did not detect that object had model " + model, obj
                    .hasContentModel(model));
        }
        assertEquals(TEST_PID, obj.getPid());
    }

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        }
        assertEquals(TEST_PID, obj.getPid());
    }


    protected DigitalObject doDeserializeOrFail(DigitalObject obj) {
        DigitalObject result = null;
        try {
            result = doDeserialize(obj);
        } catch (ObjectIntegrityException e) {
            e.printStackTrace();
            fail("Deserializer threw ObjectIntegrityException");

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