Examples with Serializer org.exist.storage.serializers.Serializer used on opensource projects

Example 21 with Serializer

use of org.exist.storage.serializers.Serializer in project exist by eXist-db.

the class EmbeddedInputStream method openStream.

private static Either<IOException, InputStream> openStream(final BrokerPool pool, final XmldbURL url) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Begin document download");
    }
    try {
        final XmldbURI path = XmldbURI.create(url.getPath());
        try (final DBBroker broker = pool.getBroker()) {
            try (final LockedDocument lockedResource = broker.getXMLResource(path, Lock.LockMode.READ_LOCK)) {
                if (lockedResource == null) {
                    // Test for collection
                    try (final Collection collection = broker.openCollection(path, Lock.LockMode.READ_LOCK)) {
                        if (collection == null) {
                            // No collection, no document
                            return Left(new IOException("Resource " + url.getPath() + " not found."));
                        } else {
                            // Collection
                            return Left(new IOException("Resource " + url.getPath() + " is a collection."));
                        }
                    }
                } else {
                    final DocumentImpl resource = lockedResource.getDocument();
                    if (resource.getResourceType() == DocumentImpl.XML_FILE) {
                        final Serializer serializer = broker.borrowSerializer();
                        try {
                            // Preserve doctype
                            serializer.setProperty(EXistOutputKeys.OUTPUT_DOCTYPE, "yes");
                            // serialize the XML to a temporary file
                            final TemporaryFileManager tempFileManager = TemporaryFileManager.getInstance();
                            final Path tempFile = tempFileManager.getTemporaryFile();
                            try (final Writer writer = Files.newBufferedWriter(tempFile, UTF_8, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)) {
                                serializer.serialize(resource, writer);
                            }
                            // NOTE: the temp file will be returned to the manager when the InputStream is closed
                            return Right(new CloseNotifyingInputStream(Files.newInputStream(tempFile, StandardOpenOption.READ), () -> tempFileManager.returnTemporaryFile(tempFile)));
                        } finally {
                            broker.returnSerializer(serializer);
                        }
                    } else if (resource.getResourceType() == BinaryDocument.BINARY_FILE) {
                        return Right(broker.getBinaryResource((BinaryDocument) resource));
                    } else {
                        return Left(new IOException("Unknown resource type " + url.getPath() + ": " + resource.getResourceType()));
                    }
                }
            } finally {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("End document download");
                }
            }
        }
    } catch (final EXistException | PermissionDeniedException | SAXException e) {
        LOG.error(e);
        return Left(new IOException(e.getMessage(), e));
    } catch (final IOException e) {
        return Left(e);
    }
}

Example 22 with Serializer

use of org.exist.storage.serializers.Serializer in project exist by eXist-db.

the class DocTypeTest method docType_usingString.

@Test
public void docType_usingString() throws EXistException, PermissionDeniedException, SAXException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final LockedDocument lockedDoc = broker.getXMLResource(root.getURI().append(XmldbURI.create("test.xml")), LockMode.READ_LOCK)) {
        final DocumentImpl doc = lockedDoc.getDocument();
        DocumentType docType = doc.getDoctype();
        assertNotNull(docType);
        assertEquals("-//OASIS//DTD DITA Topic//EN", docType.getPublicId());
        final Serializer serializer = broker.borrowSerializer();
        try {
            serializer.setProperties(OUTPUT_PROPERTIES);
            String serialized = serializer.serialize(doc);
            assertTrue("Checking for Public Id in output", serialized.contains("-//OASIS//DTD DITA Topic//EN"));
        } finally {
            broker.returnSerializer(serializer);
        }
    }
}

Example 23 with Serializer

use of org.exist.storage.serializers.Serializer in project exist by eXist-db.

the class RecoveryTest method verify.

private void verify(final BrokerPool pool) throws EXistException, PermissionDeniedException, SAXException, XPathException, IOException, BTreeException, LockException {
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        final Serializer serializer = broker.borrowSerializer();
        try {
            try (final LockedDocument lockedDoc = broker.getXMLResource(XmldbURI.ROOT_COLLECTION_URI.append("test/test2/hamlet.xml"), LockMode.READ_LOCK)) {
                assertNotNull("Document '" + XmldbURI.ROOT_COLLECTION + "/test/test2/hamlet.xml' should not be null", lockedDoc);
                final String data = serializer.serialize(lockedDoc.getDocument());
                assertNotNull(data);
            }
            try (final LockedDocument lockedDoc = broker.getXMLResource(XmldbURI.ROOT_COLLECTION_URI.append("test/test2/test_string.xml"), LockMode.READ_LOCK)) {
                assertNotNull("Document '" + XmldbURI.ROOT_COLLECTION + "/test/test2/test_string.xml' should not be null", lockedDoc);
                final String data = serializer.serialize(lockedDoc.getDocument());
                assertNotNull(data);
            }
            final String lastSampleName = SAMPLES.getShakespeareXmlSampleNames()[SAMPLES.getShakespeareXmlSampleNames().length - 1];
            try (final LockedDocument lockedDoc = broker.getXMLResource(TestConstants.TEST_COLLECTION_URI2.append(lastSampleName), LockMode.READ_LOCK)) {
                assertNull("Document '" + XmldbURI.ROOT_COLLECTION + "/test/test2/'" + lastSampleName + " should not exist anymore", lockedDoc);
            }
            final XQuery xquery = pool.getXQueryService();
            assertNotNull(xquery);
            final Sequence seq = xquery.execute(broker, "//SPEECH[contains(LINE, 'king')]", null);
            assertNotNull(seq);
            for (final SequenceIterator i = seq.iterate(); i.hasNext(); ) {
                final Item next = i.nextItem();
                final String value = serializer.serialize((NodeValue) next);
            }
        } finally {
            broker.returnSerializer(serializer);
        }
        try (final LockedDocument lockedBinDoc = broker.getXMLResource(TestConstants.TEST_COLLECTION_URI2.append(TestConstants.TEST_BINARY_URI), LockMode.READ_LOCK)) {
            assertNotNull("Binary document is null", lockedBinDoc);
            final BinaryDocument binDoc = (BinaryDocument) lockedBinDoc.getDocument();
            try (final InputStream is = broker.getBinaryResource(binDoc)) {
                final byte[] bdata = new byte[(int) binDoc.getContentLength()];
                is.read(bdata);
                final String data = new String(bdata);
                assertNotNull(data);
            }
        }
        final DOMFile domDb = ((NativeBroker) broker).getDOMFile();
        assertNotNull(domDb);
        try (final Writer writer = new StringWriter()) {
            domDb.dump(writer);
        }
        final TransactionManager transact = pool.getTransactionManager();
        try (final Txn transaction = transact.beginTransaction()) {
            try (final Collection root = broker.openCollection(TestConstants.TEST_COLLECTION_URI, LockMode.WRITE_LOCK)) {
                assertNotNull(root);
                transaction.acquireCollectionLock(() -> broker.getBrokerPool().getLockManager().acquireCollectionWriteLock(root.getURI()));
                broker.removeCollection(transaction, root);
            }
            transact.commit(transaction);
        }
    }
}

Example 24 with Serializer

use of org.exist.storage.serializers.Serializer in project exist by eXist-db.

the class LargeValuesTest method restart.

/**
 * Just recover.
 */
private void restart() throws EXistException, DatabaseConfigurationException, PermissionDeniedException, IOException, SAXException, LockException {
    BrokerPool.FORCE_CORRUPTION = false;
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Collection root = broker.openCollection(TestConstants.TEST_COLLECTION_URI, LockMode.READ_LOCK)) {
        assertNotNull(root);
        try (final LockedDocument lockedDoc = root.getDocumentWithLock(broker, XmldbURI.create("test.xml"), LockMode.READ_LOCK)) {
            assertNotNull(lockedDoc);
            final Path tempFile = Files.createTempFile("eXist", ".xml");
            final Serializer serializer = broker.borrowSerializer();
            try (final Writer writer = Files.newBufferedWriter(tempFile, UTF_8)) {
                serializer.serialize(lockedDoc.getDocument(), writer);
            } finally {
                broker.returnSerializer(serializer);
            }
            // NOTE: early release of Collection lock inline with Asymmetrical Locking scheme
            root.close();
            FileUtils.deleteQuietly(tempFile);
        // XQuery xquery = broker.getXQueryService();
        // DocumentSet docs = broker.getAllXMLResources(new DefaultDocumentSet());
        // Sequence result = xquery.execute(broker, "//key/@id/string()", docs.docsToNodeSet(), AccessContext.TEST);
        // assertEquals(KEY_COUNT, result.getItemCount());
        // for (SequenceIterator i = result.iterate(); i.hasNext();) {
        // Item item = i.nextItem();
        // String s = item.getStringValue();
        // assertTrue(s.length() > 0);
        // if (s.length() == 0)
        // break;
        // }
        }
    }
}

Example 25 with Serializer

use of org.exist.storage.serializers.Serializer in project exist by eXist-db.

the class XQueryUpdateTest method appendCDATA.

@Test
public void appendCDATA() throws EXistException, PermissionDeniedException, XPathException, SAXException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        XQuery xquery = pool.getXQueryService();
        String query = "	update insert\n" + "		<product>\n" + "			<description><![CDATA[me & you <>]]></description>\n" + "		</product>\n" + "	into /products";
        XQueryContext context = new XQueryContext(pool);
        CompiledXQuery compiled = xquery.compile(context, query);
        for (int i = 0; i < ITEMS_TO_APPEND; i++) {
            xquery.execute(broker, compiled, null);
        }
        Sequence seq = xquery.execute(broker, "/products", null);
        assertEquals(seq.getItemCount(), 1);
        final Serializer serializer = broker.borrowSerializer();
        try {
            serializer.serialize((NodeValue) seq.itemAt(0));
        } finally {
            broker.returnSerializer(serializer);
        }
        seq = xquery.execute(broker, "//product", null);
        assertEquals(ITEMS_TO_APPEND, seq.getItemCount());
    }
}