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

Example 11 with Serializer

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

the class LocalXMLResource method getContentAsSAX.

@Override
public void getContentAsSAX(final ContentHandler handler) throws XMLDBException {
    // case 1: content is an external DOM node
    if (root != null && !(root instanceof NodeValue)) {
        try {
            final String option = collection.getProperty(Serializer.GENERATE_DOC_EVENTS, "false");
            final DOMStreamer streamer = (DOMStreamer) SerializerPool.getInstance().borrowObject(DOMStreamer.class);
            try {
                streamer.setContentHandler(handler);
                streamer.setLexicalHandler(lexicalHandler);
                streamer.serialize(root, option.equalsIgnoreCase("true"));
            } finally {
                SerializerPool.getInstance().returnObject(streamer);
            }
        } catch (final Exception e) {
            throw new XMLDBException(ErrorCodes.INVALID_RESOURCE, e.getMessage(), e);
        }
    } else {
        withDb((broker, transaction) -> {
            try {
                // case 2: content is an atomic value
                if (value != null) {
                    value.toSAX(broker, handler, getProperties());
                // case 3: content is an internal node or a document
                } else {
                    final Serializer serializer = broker.borrowSerializer();
                    try {
                        serializer.setUser(user);
                        serializer.setProperties(getProperties());
                        serializer.setSAXHandlers(handler, lexicalHandler);
                        if (root != null) {
                            serializer.toSAX((NodeValue) root);
                        } else if (proxy != null) {
                            serializer.toSAX(proxy);
                        } else {
                            read(broker, transaction).apply((document, broker1, transaction1) -> {
                                try {
                                    serializer.toSAX(document);
                                    return null;
                                } catch (final SAXException e) {
                                    throw new XMLDBException(ErrorCodes.VENDOR_ERROR, e.getMessage(), e);
                                }
                            });
                        }
                    } finally {
                        broker.returnSerializer(serializer);
                    }
                }
                return null;
            } catch (final SAXException e) {
                throw new XMLDBException(ErrorCodes.VENDOR_ERROR, e.getMessage(), e);
            }
        });
    }
}

Example 12 with Serializer

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

the class Modification method deepCopy.

protected Sequence deepCopy(Sequence inSeq) throws XPathException {
    context.pushDocumentContext();
    final MemTreeBuilder builder = context.getDocumentBuilder();
    final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder);
    final Serializer serializer = context.getBroker().borrowSerializer();
    serializer.setReceiver(receiver);
    try {
        final Sequence out = new ValueSequence();
        for (final SequenceIterator i = inSeq.iterate(); i.hasNext(); ) {
            Item item = i.nextItem();
            if (item.getType() == Type.DOCUMENT) {
                if (((NodeValue) item).getImplementationType() == NodeValue.PERSISTENT_NODE) {
                    final NodeHandle root = (NodeHandle) ((NodeProxy) item).getOwnerDocument().getDocumentElement();
                    item = new NodeProxy(root);
                } else {
                    item = (Item) ((Document) item).getDocumentElement();
                }
            }
            if (Type.subTypeOf(item.getType(), Type.NODE)) {
                if (((NodeValue) item).getImplementationType() == NodeValue.PERSISTENT_NODE) {
                    final int last = builder.getDocument().getLastNode();
                    final NodeProxy p = (NodeProxy) item;
                    serializer.toReceiver(p, false, false);
                    if (p.getNodeType() == Node.ATTRIBUTE_NODE) {
                        item = builder.getDocument().getLastAttr();
                    } else {
                        item = builder.getDocument().getNode(last + 1);
                    }
                } else {
                    ((org.exist.dom.memtree.NodeImpl) item).deepCopy();
                }
            }
            out.add(item);
        }
        return out;
    } catch (final SAXException | DOMException e) {
        throw new XPathException(this, e.getMessage(), e);
    } finally {
        context.getBroker().returnSerializer(serializer);
        context.popDocumentContext();
    }
}

Example 13 with Serializer

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

the class StoreResourceTest method replaceXmlDoc.

private void replaceXmlDoc(final Subject execAsUser, final DBBroker.PreserveType preserve, final XmldbURI docName, final String content) throws EXistException, PermissionDeniedException, LockException, IOException, SAXException {
    final XmldbURI uri = TEST_COLLECTION_URI.append(docName);
    final BrokerPool pool = existWebServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(execAsUser));
        final Txn transaction = pool.getTransactionManager().beginTransaction();
        final Collection col = broker.openCollection(uri.removeLastSegment(), Lock.LockMode.WRITE_LOCK)) {
        broker.storeDocument(transaction, uri.lastSegment(), new StringInputSource(content), MimeType.XML_TYPE, col);
        transaction.commit();
    }
    // check the replaced document is correct
    try (final DBBroker broker = pool.get(Optional.of(execAsUser));
        final LockedDocument lockedDoc = broker.getXMLResource(uri, Lock.LockMode.READ_LOCK)) {
        final Serializer serializer = broker.borrowSerializer();
        try {
            final String docXml = serializer.serialize(lockedDoc.getDocument());
            final Diff diff = DiffBuilder.compare(Input.fromString(content)).withTest(Input.fromString(docXml)).build();
            assertFalse(diff.toString(), diff.hasDifferences());
        } finally {
            broker.returnSerializer(serializer);
        }
    }
}

Example 14 with Serializer

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

the class DebuggeeJointImpl method evalution.

@Override
public String evalution(String script) throws Exception {
    Database db = compiledXQuery.getContext().getDatabase();
    // TODO: account required
    try (final DBBroker broker = db.getBroker()) {
        XQueryContext context = compiledXQuery.getContext().copyContext();
        context.setDebuggeeJoint(null);
        context.undeclareGlobalVariable(Debuggee.SESSION);
        context.undeclareGlobalVariable(Debuggee.IDEKEY);
        XQuery service = broker.getBrokerPool().getXQueryService();
        CompiledXQuery compiled = service.compile(broker, context, script);
        Sequence resultSequence = service.execute(broker, compiled, null);
        SAXSerializer sax = null;
        Serializer serializer = broker.getSerializer();
        serializer.reset();
        try {
            sax = (SAXSerializer) SerializerPool.getInstance().borrowObject(SAXSerializer.class);
            Properties outputProps = new Properties();
            StringWriter writer = new StringWriter();
            sax.setOutput(writer, outputProps);
            serializer.setSAXHandlers(sax, sax);
            for (SequenceIterator i = resultSequence.iterate(); i.hasNext(); ) {
                Item next = i.nextItem();
                if (Type.subTypeOf(next.getType(), Type.NODE))
                    serializer.toSAX((NodeValue) next);
                else
                    writer.write(next.getStringValue());
            }
            return writer.toString();
        } finally {
            if (sax != null) {
                SerializerPool.getInstance().returnObject(sax);
            }
        }
    }
}

Example 15 with Serializer

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

the class PropertyGet method getPropertyString.

protected static StringBuilder getPropertyString(Variable variable, XQueryContext context) {
    Sequence value = variable.getValue();
    Database db = context.getDatabase();
    try (final DBBroker broker = db.getBroker()) {
        Serializer serializer = broker.getSerializer();
        serializer.reset();
        try {
            StringBuilder property = new StringBuilder();
            if (value.hasOne()) {
                String strVal = getPropertyValue(value.itemAt(0), serializer);
                String type = Type.subTypeOf(value.getItemType(), Type.NODE) ? "node" : Type.getTypeName(value.getItemType());
                property.append("<property name=\"");
                property.append(variable.getQName().toString());
                property.append("\" fullname=\"");
                property.append(variable.getQName().toString());
                property.append("\" type=\"");
                property.append(type);
                property.append("\" size=\"");
                property.append(strVal.length());
                property.append("\" encoding=\"none\">");
                property.append(strVal);
                property.append("</property>");
            } else {
                property.append("<property name=\"");
                property.append(variable.getQName().toString());
                property.append("\" fullname=\"");
                property.append(variable.getQName().toString());
                property.append("\" type=\"array\" children=\"true\" numchildren=\"");
                property.append(value.getItemCount());
                property.append("\">");
                int idx = 0;
                for (SequenceIterator si = value.iterate(); si.hasNext(); idx++) {
                    Item item = si.nextItem();
                    String strVal = getPropertyValue(item, serializer);
                    String type = Type.subTypeOf(value.getItemType(), Type.NODE) ? "xs:string" : Type.getTypeName(value.getItemType());
                    property.append("<property name=\"");
                    property.append(idx);
                    property.append("\" type=\"");
                    property.append(type);
                    property.append("\" size=\"");
                    property.append(strVal.length());
                    property.append("\" encoding=\"none\">");
                    property.append(strVal);
                    property.append("</property>");
                }
                property.append("</property>");
            }
            return property;
        } catch (SAXException e) {
            e.printStackTrace();
        } catch (XPathException e) {
            e.printStackTrace();
        }
    } catch (EXistException e) {
        e.printStackTrace();
    }
    return null;
}