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

Example 6 with Serializer

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

the class LocalResourceSet method getMembersAsResource.

@Override
public Resource getMembersAsResource() throws XMLDBException {
    return this.<Resource>withDb((broker, transaction) -> {
        final Serializer serializer = broker.borrowSerializer();
        final SAXSerializer handler = (SAXSerializer) SerializerPool.getInstance().borrowObject(SAXSerializer.class);
        final StringWriter writer = new StringWriter();
        handler.setOutput(writer, outputProperties);
        try {
            // configure the serializer
            collection.setProperty(Serializer.GENERATE_DOC_EVENTS, "false");
            serializer.setProperties(outputProperties);
            serializer.setUser(user);
            serializer.setSAXHandlers(handler, handler);
            // serialize results
            handler.startDocument();
            handler.startPrefixMapping("exist", Namespaces.EXIST_NS);
            final AttributesImpl attribs = new AttributesImpl();
            attribs.addAttribute("", "hitCount", "hitCount", "CDATA", Integer.toString(resources.size()));
            handler.startElement(Namespaces.EXIST_NS, "result", "exist:result", attribs);
            Item current;
            char[] value;
            for (Object resource : resources) {
                current = (Item) resource;
                if (Type.subTypeOf(current.getType(), Type.NODE)) {
                    ((NodeValue) current).toSAX(broker, handler, outputProperties);
                } else {
                    value = current.toString().toCharArray();
                    handler.characters(value, 0, value.length);
                }
            }
            handler.endElement(Namespaces.EXIST_NS, "result", "exist:result");
            handler.endPrefixMapping("exist");
            handler.endDocument();
            final Resource res = new LocalXMLResource(user, brokerPool, collection, XmldbURI.EMPTY_URI);
            res.setContent(writer.toString());
            return res;
        } catch (final SAXException e) {
            throw new XMLDBException(ErrorCodes.UNKNOWN_ERROR, "serialization error", e);
        } finally {
            SerializerPool.getInstance().returnObject(handler);
            broker.returnSerializer(serializer);
        }
    });
}

Example 7 with Serializer

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

the class TestDataGenerator method generate.

public Path[] generate(final DBBroker broker, final Collection collection, final String xqueryContent) throws SAXException {
    try {
        final DocumentSet docs = collection.allDocs(broker, new DefaultDocumentSet(), true);
        final XQuery service = broker.getBrokerPool().getXQueryService();
        final XQueryContext context = new XQueryContext(broker.getBrokerPool());
        context.declareVariable("filename", "");
        context.declareVariable("count", "0");
        context.setStaticallyKnownDocuments(docs);
        final String query = IMPORT + xqueryContent;
        final CompiledXQuery compiled = service.compile(context, query);
        for (int i = 0; i < count; i++) {
            generatedFiles[i] = Files.createTempFile(prefix, ".xml");
            context.declareVariable("filename", generatedFiles[i].getFileName().toString());
            context.declareVariable("count", new Integer(i));
            final Sequence results = service.execute(broker, compiled, Sequence.EMPTY_SEQUENCE);
            final Serializer serializer = broker.borrowSerializer();
            try (final Writer out = Files.newBufferedWriter(generatedFiles[i], StandardCharsets.UTF_8)) {
                final SAXSerializer sax = new SAXSerializer(out, outputProps);
                serializer.setSAXHandlers(sax, sax);
                for (final SequenceIterator iter = results.iterate(); iter.hasNext(); ) {
                    final Item item = iter.nextItem();
                    if (!Type.subTypeOf(item.getType(), Type.NODE)) {
                        continue;
                    }
                    serializer.toSAX((NodeValue) item);
                }
            } finally {
                broker.returnSerializer(serializer);
            }
        }
    } catch (final XPathException | PermissionDeniedException | LockException | IOException e) {
        LOG.error(e.getMessage(), e);
        throw new SAXException(e.getMessage(), e);
    }
    return generatedFiles;
}

Example 8 with Serializer

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

the class StylesheetResolverAndCompiler method compileTemplates.

private <E extends Exception> Templates compileTemplates(DBBroker broker, DocumentImpl stylesheet, XSLTErrorsListener<E> errorListener) throws E, TransformerConfigurationException, SAXException {
    // factory.setURIResolver(new EXistURIResolver(broker, stylesheet.getCollection().getURI().toString()));
    final TemplatesHandler handler = factory(broker.getBrokerPool(), errorListener).newTemplatesHandler();
    handler.setSystemId(stylesheet.getBaseURI());
    handler.startDocument();
    final Serializer serializer = broker.borrowSerializer();
    try {
        serializer.setSAXHandlers(handler, null);
        serializer.toSAX(stylesheet);
    } finally {
        broker.returnSerializer(serializer);
    }
    handler.endDocument();
    final Templates t = handler.getTemplates();
    // check for errors
    errorListener.checkForErrors();
    return t;
}

Example 9 with Serializer

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

the class CollectionRemovalTest method retrieveDoc.

private void retrieveDoc(final XmldbURI uri) throws EXistException, PermissionDeniedException, SAXException, LockException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Collection test = broker.openCollection(uri, LockMode.READ_LOCK)) {
        assertNotNull(test);
        try (final LockedDocument lockedDoc = test.getDocumentWithLock(broker, XmldbURI.createInternal("document.xml"), LockMode.READ_LOCK)) {
            assertNotNull(lockedDoc);
            final Serializer serializer = broker.borrowSerializer();
            try {
                String xml = serializer.serialize(lockedDoc.getDocument());
            } finally {
                broker.returnSerializer(serializer);
            }
            // NOTE: early release of Collection lock inline with Asymmetrical Locking scheme
            test.close();
        }
    }
}

Example 10 with Serializer

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

the class ExistDocument method serialize.

private void serialize(final DBBroker broker, final DocumentImpl document, final OutputStream os) throws SAXException, IOException {
    final Serializer serializer = broker.borrowSerializer();
    // Set custom serialization options when available
    if (!configuration.isEmpty()) {
        serializer.setProperties(configuration);
    }
    SAXSerializer saxSerializer = null;
    try {
        saxSerializer = (SAXSerializer) SerializerPool.getInstance().borrowObject(SAXSerializer.class);
        // Serialize document
        try (final Writer writer = new OutputStreamWriter(os, UTF_8)) {
            saxSerializer.setOutput(writer, configuration.isEmpty() ? null : configuration);
            serializer.setSAXHandlers(saxSerializer, saxSerializer);
            serializer.toSAX(document);
            writer.flush();
        }
    } finally {
        if (saxSerializer != null) {
            SerializerPool.getInstance().returnObject(saxSerializer);
        }
        broker.returnSerializer(serializer);
    }
}