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Example 1 with XUpdateProcessor

use of org.exist.xupdate.XUpdateProcessor in project exist by eXist-db.

the class RESTServer method doPost.

/**
 * Handles POST requests. If the path leads to a binary resource with
 * mime-type "application/xquery", that resource will be read and executed
 * by the XQuery engine. Otherwise, the request content is loaded and parsed
 * as XML. It may either contain an XUpdate or a query request.
 *
 * @param broker the database broker
 * @param transaction the database transaction
 * @param request the request
 * @param response the response
 * @param path the path of the request
 *
 * @throws BadRequestException if a bad request is made
 * @throws PermissionDeniedException if the request has insufficient permissions
 * @throws NotFoundException if the request resource cannot be found
 * @throws IOException if an I/O error occurs
 */
public void doPost(final DBBroker broker, final Txn transaction, final HttpServletRequest request, final HttpServletResponse response, final String path) throws BadRequestException, PermissionDeniedException, IOException, NotFoundException {
    // if required, set character encoding
    if (request.getCharacterEncoding() == null) {
        request.setCharacterEncoding(formEncoding);
    }
    final Properties outputProperties = new Properties(defaultOutputKeysProperties);
    final XmldbURI pathUri = XmldbURI.createInternal(path);
    LockedDocument lockedDocument = null;
    DocumentImpl resource = null;
    final String encoding = outputProperties.getProperty(OutputKeys.ENCODING);
    String mimeType = outputProperties.getProperty(OutputKeys.MEDIA_TYPE);
    try {
        // check if path leads to an XQuery resource.
        // if yes, the resource is loaded and the XQuery executed.
        final String xquery_mime_type = MimeType.XQUERY_TYPE.getName();
        final String xproc_mime_type = MimeType.XPROC_TYPE.getName();
        lockedDocument = broker.getXMLResource(pathUri, LockMode.READ_LOCK);
        resource = lockedDocument == null ? null : lockedDocument.getDocument();
        XmldbURI servletPath = pathUri;
        // xquery resource
        while (null == resource) {
            // traverse up the path looking for xquery objects
            servletPath = servletPath.removeLastSegment();
            if (servletPath == XmldbURI.EMPTY_URI) {
                break;
            }
            lockedDocument = broker.getXMLResource(servletPath, LockMode.READ_LOCK);
            resource = lockedDocument == null ? null : lockedDocument.getDocument();
            if (null != resource && (resource.getResourceType() == DocumentImpl.BINARY_FILE && xquery_mime_type.equals(resource.getMimeType()) || resource.getResourceType() == DocumentImpl.XML_FILE && xproc_mime_type.equals(resource.getMimeType()))) {
                // found a binary file with mime-type xquery or XML file with mime-type xproc
                break;
            } else if (null != resource) {
                // not an xquery or xproc resource. This means we have a path
                // that cannot contain an xquery or xproc object even if we keep
                // moving up the path, so bail out now
                lockedDocument.close();
                lockedDocument = null;
                resource = null;
                break;
            }
        }
        // either xquery binary file or xproc xml file
        if (resource != null) {
            if (resource.getResourceType() == DocumentImpl.BINARY_FILE && xquery_mime_type.equals(resource.getMimeType()) || resource.getResourceType() == DocumentImpl.XML_FILE && xproc_mime_type.equals(resource.getMimeType())) {
                // found an XQuery resource, fixup request values
                final String pathInfo = pathUri.trimFromBeginning(servletPath).toString();
                try {
                    if (xquery_mime_type.equals(resource.getMimeType())) {
                        // Execute the XQuery
                        executeXQuery(broker, transaction, resource, request, response, outputProperties, servletPath.toString(), pathInfo);
                    } else {
                        // Execute the XProc
                        executeXProc(broker, transaction, resource, request, response, outputProperties, servletPath.toString(), pathInfo);
                    }
                } catch (final XPathException e) {
                    if (MimeType.XML_TYPE.getName().equals(mimeType)) {
                        writeXPathException(response, HttpServletResponse.SC_BAD_REQUEST, encoding, null, path, e);
                    } else {
                        writeXPathExceptionHtml(response, HttpServletResponse.SC_BAD_REQUEST, encoding, null, path, e);
                    }
                }
                return;
            }
        }
    } finally {
        if (lockedDocument != null) {
            lockedDocument.close();
        }
    }
    // check the content type to see if its XML or a parameter string
    String requestType = request.getContentType();
    if (requestType != null) {
        final int semicolon = requestType.indexOf(';');
        if (semicolon > 0) {
            requestType = requestType.substring(0, semicolon).trim();
        }
    }
    // content type != application/x-www-form-urlencoded
    if (requestType == null || !requestType.equals(MimeType.URL_ENCODED_TYPE.getName())) {
        // third, normal POST: read the request content and check if
        // it is an XUpdate or a query request.
        int howmany = 10;
        int start = 1;
        boolean typed = false;
        ElementImpl variables = null;
        boolean enclose = true;
        boolean cache = false;
        String query = null;
        try {
            final String content = getRequestContent(request);
            final NamespaceExtractor nsExtractor = new NamespaceExtractor();
            final ElementImpl root = parseXML(broker.getBrokerPool(), content, nsExtractor);
            final String rootNS = root.getNamespaceURI();
            if (rootNS != null && rootNS.equals(Namespaces.EXIST_NS)) {
                if (Query.xmlKey().equals(root.getLocalName())) {
                    // process <query>xpathQuery</query>
                    String option = root.getAttribute(Start.xmlKey());
                    if (option != null) {
                        try {
                            start = Integer.parseInt(option);
                        } catch (final NumberFormatException e) {
                        // 
                        }
                    }
                    option = root.getAttribute(Max.xmlKey());
                    if (option != null) {
                        try {
                            howmany = Integer.parseInt(option);
                        } catch (final NumberFormatException e) {
                        // 
                        }
                    }
                    option = root.getAttribute(Enclose.xmlKey());
                    if (option != null) {
                        if ("no".equals(option)) {
                            enclose = false;
                        }
                    } else {
                        option = root.getAttribute(Wrap.xmlKey());
                        if (option != null) {
                            if ("no".equals(option)) {
                                enclose = false;
                            }
                        }
                    }
                    option = root.getAttribute(Method.xmlKey());
                    if ((option != null) && (!option.isEmpty())) {
                        outputProperties.setProperty(SERIALIZATION_METHOD_PROPERTY, option);
                    }
                    option = root.getAttribute(Typed.xmlKey());
                    if (option != null) {
                        if ("yes".equals(option)) {
                            typed = true;
                        }
                    }
                    option = root.getAttribute(Mime.xmlKey());
                    if ((option != null) && (!option.isEmpty())) {
                        mimeType = option;
                    }
                    if ((option = root.getAttribute(Cache.xmlKey())) != null) {
                        cache = "yes".equals(option);
                    }
                    if ((option = root.getAttribute(Session.xmlKey())) != null && option.length() > 0) {
                        outputProperties.setProperty(Serializer.PROPERTY_SESSION_ID, option);
                    }
                    final NodeList children = root.getChildNodes();
                    for (int i = 0; i < children.getLength(); i++) {
                        final Node child = children.item(i);
                        if (child.getNodeType() == Node.ELEMENT_NODE && child.getNamespaceURI().equals(Namespaces.EXIST_NS)) {
                            if (Text.xmlKey().equals(child.getLocalName())) {
                                final StringBuilder buf = new StringBuilder();
                                Node next = child.getFirstChild();
                                while (next != null) {
                                    if (next.getNodeType() == Node.TEXT_NODE || next.getNodeType() == Node.CDATA_SECTION_NODE) {
                                        buf.append(next.getNodeValue());
                                    }
                                    next = next.getNextSibling();
                                }
                                query = buf.toString();
                            } else if (Variables.xmlKey().equals(child.getLocalName())) {
                                variables = (ElementImpl) child;
                            } else if (Properties.xmlKey().equals(child.getLocalName())) {
                                Node node = child.getFirstChild();
                                while (node != null) {
                                    if (node.getNodeType() == Node.ELEMENT_NODE && node.getNamespaceURI().equals(Namespaces.EXIST_NS) && Property.xmlKey().equals(node.getLocalName())) {
                                        final Element property = (Element) node;
                                        final String key = property.getAttribute("name");
                                        final String value = property.getAttribute("value");
                                        LOG.debug("{} = {}", key, value);
                                        if (key != null && value != null) {
                                            outputProperties.setProperty(key, value);
                                        }
                                    }
                                    node = node.getNextSibling();
                                }
                            }
                        }
                    }
                }
                // execute query
                if (query != null) {
                    try {
                        search(broker, transaction, query, path, nsExtractor.getNamespaces(), variables, howmany, start, typed, outputProperties, enclose, cache, request, response);
                    } catch (final XPathException e) {
                        if (MimeType.XML_TYPE.getName().equals(mimeType)) {
                            writeXPathException(response, HttpServletResponse.SC_BAD_REQUEST, encoding, null, path, e);
                        } else {
                            writeXPathExceptionHtml(response, HttpServletResponse.SC_BAD_REQUEST, encoding, null, path, e);
                        }
                    }
                } else {
                    throw new BadRequestException("No query specified");
                }
            } else if (rootNS != null && rootNS.equals(XUpdateProcessor.XUPDATE_NS)) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got xupdate request: {}", content);
                }
                if (xupdateSubmission == EXistServlet.FeatureEnabled.FALSE) {
                    response.setStatus(HttpServletResponse.SC_FORBIDDEN);
                    return;
                } else if (xupdateSubmission == EXistServlet.FeatureEnabled.AUTHENTICATED_USERS_ONLY) {
                    final Subject currentSubject = broker.getCurrentSubject();
                    if (!currentSubject.isAuthenticated() || currentSubject.getId() == RealmImpl.GUEST_GROUP_ID) {
                        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
                        return;
                    }
                }
                final MutableDocumentSet docs = new DefaultDocumentSet();
                final boolean isCollection;
                try (final Collection collection = broker.openCollection(pathUri, LockMode.READ_LOCK)) {
                    if (collection != null) {
                        isCollection = true;
                        collection.allDocs(broker, docs, true);
                    } else {
                        isCollection = false;
                    }
                }
                if (!isCollection) {
                    final DocumentImpl xupdateDoc = broker.getResource(pathUri, Permission.READ);
                    if (xupdateDoc != null) {
                        docs.add(xupdateDoc);
                    } else {
                        broker.getAllXMLResources(docs);
                    }
                }
                final XUpdateProcessor processor = new XUpdateProcessor(broker, docs);
                long mods = 0;
                try (final Reader reader = new StringReader(content)) {
                    final Modification[] modifications = processor.parse(new InputSource(reader));
                    for (Modification modification : modifications) {
                        mods += modification.process(transaction);
                        broker.flush();
                    }
                }
                // FD : Returns an XML doc
                writeXUpdateResult(response, encoding, mods);
            // END FD
            } else {
                throw new BadRequestException("Unknown XML root element: " + root.getNodeName());
            }
        } catch (final SAXException e) {
            Exception cause = e;
            if (e.getException() != null) {
                cause = e.getException();
            }
            LOG.debug("SAX exception while parsing request: {}", cause.getMessage(), cause);
            throw new BadRequestException("SAX exception while parsing request: " + cause.getMessage());
        } catch (final ParserConfigurationException e) {
            throw new BadRequestException("Parser exception while parsing request: " + e.getMessage());
        } catch (final XPathException e) {
            throw new BadRequestException("Query exception while parsing request: " + e.getMessage());
        } catch (final IOException e) {
            throw new BadRequestException("IO exception while parsing request: " + e.getMessage());
        } catch (final EXistException e) {
            throw new BadRequestException(e.getMessage());
        } catch (final LockException e) {
            throw new PermissionDeniedException(e.getMessage());
        }
    // content type = application/x-www-form-urlencoded
    } else {
        doGet(broker, transaction, request, response, path);
    }
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) JSONNode(org.exist.util.serializer.json.JSONNode) Node(org.w3c.dom.Node) Element(org.w3c.dom.Element) XMLReader(org.xml.sax.XMLReader) Properties(java.util.Properties) SAXException(org.xml.sax.SAXException) ElementImpl(org.exist.dom.memtree.ElementImpl) ParserConfigurationException(javax.xml.parsers.ParserConfigurationException) XmldbURI(org.exist.xmldb.XmldbURI) NodeList(org.w3c.dom.NodeList) EXistException(org.exist.EXistException) Subject(org.exist.security.Subject) PermissionDeniedException(org.exist.security.PermissionDeniedException) XMLStreamException(javax.xml.stream.XMLStreamException) SAXException(org.xml.sax.SAXException) TriggerException(org.exist.collections.triggers.TriggerException) EXistException(org.exist.EXistException) TransformerConfigurationException(javax.xml.transform.TransformerConfigurationException) SAXParseException(org.xml.sax.SAXParseException) ParserConfigurationException(javax.xml.parsers.ParserConfigurationException) Collection(org.exist.collections.Collection) PermissionDeniedException(org.exist.security.PermissionDeniedException)

Example 2 with XUpdateProcessor

use of org.exist.xupdate.XUpdateProcessor in project exist by eXist-db.

the class TestTrigger method addRecord.

private void addRecord(DBBroker broker, Txn transaction, String xupdate) throws TriggerException {
    MutableDocumentSet docs = new DefaultDocumentSet();
    docs.add(doc);
    final boolean triggersEnabled = broker.isTriggersEnabled();
    try {
        // IMPORTANT: temporarily disable triggers on the collection.
        // We would end up in infinite recursion if we don't do that
        broker.setTriggersEnabled(false);
        // create the XUpdate processor
        XUpdateProcessor processor = new XUpdateProcessor(broker, docs);
        // process the XUpdate
        Modification[] modifications = processor.parse(new InputSource(new StringReader(xupdate)));
        for (int i = 0; i < modifications.length; i++) {
            modifications[i].process(transaction);
        }
        broker.flush();
    } catch (Exception e) {
        throw new TriggerException(e.getMessage(), e);
    } finally {
        // IMPORTANT: reenable trigger processing for the collection.
        broker.setTriggersEnabled(triggersEnabled);
    }
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) MutableDocumentSet(org.exist.dom.persistent.MutableDocumentSet) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) StringInputSource(org.exist.util.StringInputSource) DefaultDocumentSet(org.exist.dom.persistent.DefaultDocumentSet) StringReader(java.io.StringReader)

Example 3 with XUpdateProcessor

use of org.exist.xupdate.XUpdateProcessor in project exist by eXist-db.

the class LuceneIndexTest method xupdateReplace.

@Test
public void xupdateReplace() throws EXistException, CollectionConfigurationException, PermissionDeniedException, SAXException, LockException, IOException, XPathException, ParserConfigurationException, QName.IllegalQNameException {
    final DocumentSet docs = configureAndStore(COLLECTION_CONFIG2, XML2, "xupdate.xml");
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = transact.beginTransaction()) {
        final Occurrences[] occur = checkIndex(docs, broker, new QName[] { new QName("description") }, "chair", 1);
        assertEquals("chair", occur[0].getTerm());
        checkIndex(docs, broker, new QName[] { new QName("item") }, null, 5);
        final XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        Sequence seq = xquery.execute(broker, "//item[ft:query(description, 'chair')]", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
        assertNotNull(proc);
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        String xupdate = XUPDATE_START + "<xu:replace select=\"//item[@id = '1']\">" + "<item id='4'><description>Wheelchair</description> <condition>poor</condition></item>" + "</xu:replace>" + XUPDATE_END;
        Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
        checkIndex(docs, broker, new QName[] { new QName("description") }, null, 3);
        checkIndex(docs, broker, new QName[] { new QName("condition") }, null, 3);
        checkIndex(docs, broker, new QName[] { new QName("item") }, null, 6);
        checkIndex(docs, broker, new QName[] { new QName("description") }, "chair", 0);
        checkIndex(docs, broker, new QName[] { new QName("item") }, "chair", 0);
        Occurrences[] o = checkIndex(docs, broker, new QName[] { new QName("description") }, "wheelchair", 1);
        assertEquals("wheelchair", o[0].getTerm());
        o = checkIndex(docs, broker, new QName[] { new QName("condition") }, "poor", 1);
        assertEquals("poor", o[0].getTerm());
        o = checkIndex(docs, broker, new QName[] { new QName("item") }, "wheelchair", 1);
        assertEquals("wheelchair", o[0].getTerm());
        o = checkIndex(docs, broker, new QName[] { new QName("item") }, "poor", 1);
        assertEquals("poor", o[0].getTerm());
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        xupdate = XUPDATE_START + "<xu:replace select=\"//item[@id = '4']/description\">" + "<description>Armchair</description>" + "</xu:replace>" + XUPDATE_END;
        modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
        checkIndex(docs, broker, new QName[] { new QName("description") }, null, 3);
        checkIndex(docs, broker, new QName[] { new QName("item") }, null, 6);
        checkIndex(docs, broker, new QName[] { new QName("description") }, "wheelchair", 0);
        checkIndex(docs, broker, new QName[] { new QName("item") }, "wheelchair", 0);
        o = checkIndex(docs, broker, new QName[] { new QName("description") }, "armchair", 1);
        assertEquals("armchair", o[0].getTerm());
        o = checkIndex(docs, broker, new QName[] { new QName("item") }, "armchair", 1);
        assertEquals("armchair", o[0].getTerm());
        transact.commit(transaction);
    }
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) QName(org.exist.dom.QName) XQuery(org.exist.xquery.XQuery) CompiledXQuery(org.exist.xquery.CompiledXQuery) Txn(org.exist.storage.txn.Txn) Sequence(org.exist.xquery.value.Sequence) DBBroker(org.exist.storage.DBBroker) TransactionManager(org.exist.storage.txn.TransactionManager) StringReader(java.io.StringReader) DefaultDocumentSet(org.exist.dom.persistent.DefaultDocumentSet) DocumentSet(org.exist.dom.persistent.DocumentSet) MutableDocumentSet(org.exist.dom.persistent.MutableDocumentSet) BrokerPool(org.exist.storage.BrokerPool)

Example 4 with XUpdateProcessor

use of org.exist.xupdate.XUpdateProcessor in project exist by eXist-db.

the class LuceneIndexTest method attributeMatch.

@Test
public void attributeMatch() throws EXistException, CollectionConfigurationException, PermissionDeniedException, SAXException, TriggerException, LockException, IOException, XPathException, ParserConfigurationException {
    final DocumentSet docs = configureAndStore(COLLECTION_CONFIG7, XML8, "test.xml");
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = transact.beginTransaction()) {
        final XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        Sequence seq = xquery.execute(broker, "for $a in ft:query((//b|//c), 'AAA') order by ft:score($a) descending return xs:string($a)", null);
        assertNotNull(seq);
        assertEquals(5, seq.getItemCount());
        assertEquals("AAA on b2", seq.itemAt(0).getStringValue());
        assertEquals("AAA on c1", seq.itemAt(1).getStringValue());
        assertEquals("AAA on b3", seq.itemAt(2).getStringValue());
        assertEquals("AAA on b1", seq.itemAt(3).getStringValue());
        assertEquals("AAA on c2", seq.itemAt(4).getStringValue());
        // path: /a/b
        seq = xquery.execute(broker, "for $a in ft:query(/a/b, 'AAA') order by ft:score($a) descending return xs:string($a)", null);
        assertNotNull(seq);
        assertEquals(2, seq.getItemCount());
        assertEquals("AAA on b2", seq.itemAt(0).getStringValue());
        assertEquals("AAA on b1", seq.itemAt(1).getStringValue());
        seq = xquery.execute(broker, "for $a in ft:query(//@att, 'att') order by ft:score($a) descending return xs:string($a)", null);
        assertNotNull(seq);
        assertEquals(4, seq.getItemCount());
        assertEquals("att on b2", seq.itemAt(0).getStringValue());
        assertEquals("att on b3", seq.itemAt(1).getStringValue());
        assertEquals("att on b1", seq.itemAt(2).getStringValue());
        assertEquals("att on c1", seq.itemAt(3).getStringValue());
        // modify with xupdate and check if boosts are updated accordingly
        final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
        assertNotNull(proc);
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        // remove 'att' attribute from first c element: it gets no boost
        // also append an 'att' attribute on second c element which will
        // make the two switch order in the result sequence.
        String xupdate = XUPDATE_START + "   <xu:remove select=\"//c[1]/@att\"/>" + "   <xu:append select=\"//c[2]\"><xu:attribute name=\"att\">att on c2</xu:attribute></xu:append>" + XUPDATE_END;
        final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        modifications[1].process(transaction);
        proc.reset();
        transact.commit(transaction);
        seq = xquery.execute(broker, "for $a in ft:query((//b|//c), 'AAA') order by ft:score($a) descending return xs:string($a)", null);
        assertNotNull(seq);
        assertEquals(5, seq.getItemCount());
        assertEquals("AAA on b2", seq.itemAt(0).getStringValue());
        assertEquals("AAA on c2", seq.itemAt(1).getStringValue());
        assertEquals("AAA on b3", seq.itemAt(2).getStringValue());
        assertEquals("AAA on b1", seq.itemAt(3).getStringValue());
        assertEquals("AAA on c1", seq.itemAt(4).getStringValue());
    }
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) XQuery(org.exist.xquery.XQuery) CompiledXQuery(org.exist.xquery.CompiledXQuery) Txn(org.exist.storage.txn.Txn) Sequence(org.exist.xquery.value.Sequence) DBBroker(org.exist.storage.DBBroker) TransactionManager(org.exist.storage.txn.TransactionManager) StringReader(java.io.StringReader) DefaultDocumentSet(org.exist.dom.persistent.DefaultDocumentSet) DocumentSet(org.exist.dom.persistent.DocumentSet) MutableDocumentSet(org.exist.dom.persistent.MutableDocumentSet) BrokerPool(org.exist.storage.BrokerPool)

Example 5 with XUpdateProcessor

use of org.exist.xupdate.XUpdateProcessor in project exist by eXist-db.

the class ReplaceTest method doUpdate.

@Override
protected void doUpdate(final DBBroker broker, final TransactionManager transact, final MutableDocumentSet docs) throws ParserConfigurationException, IOException, SAXException, LockException, XPathException, PermissionDeniedException, EXistException {
    final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
    assertNotNull(proc);
    try (final Txn transaction = transact.beginTransaction()) {
        String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:append select=\"/products\">" + "       <product id=\"1\">" + "           <description>Product 1</description>" + "           <price>24.30</price>" + "           <stock>10</stock>" + "       </product>" + "   </xu:append>" + "</xu:modifications>";
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
        // append some new element to records
        for (int i = 1; i <= 200; i++) {
            xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:insert-before select=\"/products/product[1]\">" + "       <product>" + "           <xu:attribute name=\"id\"><xu:value-of select=\"count(/products/product) + 1\"/></xu:attribute>" + "           <description>Product " + i + "</description>" + "           <price>" + (i * 2.5) + "</price>" + "           <stock>" + (i * 10) + "</stock>" + "       </product>" + "   </xu:insert-before>" + "</xu:modifications>";
            proc.setBroker(broker);
            proc.setDocumentSet(docs);
            modifications = proc.parse(new InputSource(new StringReader(xupdate)));
            assertNotNull(modifications);
            modifications[0].process(transaction);
            proc.reset();
        }
        transact.commit(transaction);
    }
    // the following transaction will not be committed and thus undone during recovery
    final Txn transaction = transact.beginTransaction();
    // replace elements
    for (int i = 1; i <= 100; i++) {
        final String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:replace select=\"/products/product[" + i + "]\">" + "     <product id=\"" + i + "\">" + "         <description>Replaced product</description>" + "         <price>" + (i * 0.75) + "</price>" + "     </product>" + " </xu:replace>" + "</xu:modifications>";
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        modifications[0].process(transaction);
        proc.reset();
    }
// DO NOT COMMIT TRANSACTION
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) StringReader(java.io.StringReader) Txn(org.exist.storage.txn.Txn)

Aggregations

Modification (org.exist.xupdate.Modification)23 XUpdateProcessor (org.exist.xupdate.XUpdateProcessor)23 InputSource (org.xml.sax.InputSource)23 StringReader (java.io.StringReader)20 Txn (org.exist.storage.txn.Txn)18 TransactionManager (org.exist.storage.txn.TransactionManager)12 XQuery (org.exist.xquery.XQuery)11 Sequence (org.exist.xquery.value.Sequence)11 BrokerPool (org.exist.storage.BrokerPool)10 DBBroker (org.exist.storage.DBBroker)10 DefaultDocumentSet (org.exist.dom.persistent.DefaultDocumentSet)8 MutableDocumentSet (org.exist.dom.persistent.MutableDocumentSet)8 DocumentSet (org.exist.dom.persistent.DocumentSet)5 CompiledXQuery (org.exist.xquery.CompiledXQuery)5 ParserConfigurationException (javax.xml.parsers.ParserConfigurationException)4 QName (org.exist.dom.QName)4 EXistException (org.exist.EXistException)3 Collection (org.exist.collections.Collection)3 DocumentImpl (org.exist.dom.persistent.DocumentImpl)2 LockedDocument (org.exist.dom.persistent.LockedDocument)2