Examples with NodeValue org.exist.xquery.value.NodeValue used on opensource projects

Example 16 with NodeValue

use of org.exist.xquery.value.NodeValue 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 17 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class GetRunningJobs method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (!context.getSubject().hasDbaRole()) {
        throw (new XPathException(this, "Permission denied, calling user '" + context.getSubject().getName() + "' must be a DBA to get the list of running jobs"));
    }
    context.pushDocumentContext();
    try {
        final MemTreeBuilder builder = context.getDocumentBuilder();
        builder.startDocument();
        builder.startElement(new QName("jobs", NAMESPACE_URI, PREFIX), null);
        final BrokerPool brokerPool = context.getBroker().getBrokerPool();
        final ProcessMonitor monitor = brokerPool.getProcessMonitor();
        final ProcessMonitor.JobInfo[] jobs = monitor.runningJobs();
        for (ProcessMonitor.JobInfo job : jobs) {
            final Thread process = job.getThread();
            final Date startDate = new Date(job.getStartTime());
            builder.startElement(new QName("job", NAMESPACE_URI, PREFIX), null);
            builder.addAttribute(new QName("id", null, null), process.getName());
            builder.addAttribute(new QName("action", null, null), job.getAction());
            builder.addAttribute(new QName("start", null, null), new DateTimeValue(startDate).getStringValue());
            builder.addAttribute(new QName("info", null, null), job.getAddInfo().toString());
            builder.endElement();
        }
        builder.endElement();
        builder.endDocument();
        return (NodeValue) builder.getDocument().getDocumentElement();
    } finally {
        context.popDocumentContext();
    }
}

Example 18 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class EXIUtils method getInputStream.

protected static InputStream getInputStream(Item item, XQueryContext context) throws XPathException, MalformedURLException, IOException {
    switch(item.getType()) {
        case Type.ANY_URI:
            LOG.debug("Streaming xs:anyURI");
            // anyURI provided
            String url = item.getStringValue();
            // Fix URL
            if (url.startsWith("/")) {
                url = "xmldb:exist://" + url;
            }
            return new URL(url).openStream();
        case Type.ELEMENT:
        case Type.DOCUMENT:
            LOG.debug("Streaming element or document node");
            /*
            if (item instanceof NodeProxy) {
                NodeProxy np = (NodeProxy) item;
                String url = "xmldb:exist://" + np.getDocument().getBaseURI();
                LOG.debug("Document detected, adding URL " + url);
                streamSource.setSystemId(url);
            }
            */
            // Node provided
            final ConsumerE<ConsumerE<Serializer, IOException>, IOException> withSerializerFn = fn -> {
                final Serializer serializer = context.getBroker().borrowSerializer();
                try {
                    fn.accept(serializer);
                } finally {
                    context.getBroker().returnSerializer(serializer);
                }
            };
            NodeValue node = (NodeValue) item;
            return new NodeInputStream(context.getBroker().getBrokerPool(), withSerializerFn, node);
        default:
            LOG.error("Wrong item type {}", Type.getTypeName(item.getType()));
            throw new XPathException("wrong item type " + Type.getTypeName(item.getType()));
    }
}

Example 19 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class Directory method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    if (!context.getSubject().hasDbaRole()) {
        XPathException xPathException = new XPathException(this, "Permission denied, calling user '" + context.getSubject().getName() + "' must be a DBA to call this function.");
        logger.error("Invalid user", xPathException);
        throw xPathException;
    }
    final String inputPath = args[0].getStringValue();
    final Path directoryPath = FileModuleHelper.getFile(inputPath);
    if (logger.isDebugEnabled()) {
        logger.debug("Listing matching files in directory: {}", directoryPath.toAbsolutePath().toString());
    }
    if (!Files.isDirectory(directoryPath)) {
        throw new XPathException(this, "'" + inputPath + "' does not point to a valid directory.");
    }
    // Get list of files, null if baseDir does not point to a directory
    context.pushDocumentContext();
    try (final Stream<Path> scannedFiles = Files.list(directoryPath)) {
        final MemTreeBuilder builder = context.getDocumentBuilder();
        builder.startDocument();
        builder.startElement(new QName("list", null, null), null);
        scannedFiles.forEach(entry -> {
            if (logger.isDebugEnabled()) {
                logger.debug("Found: {}", entry.toAbsolutePath().toString());
            }
            String entryType = "unknown";
            if (Files.isRegularFile(entry)) {
                entryType = "file";
            } else if (Files.isDirectory(entry)) {
                entryType = "directory";
            }
            builder.startElement(new QName(entryType, NAMESPACE_URI, PREFIX), null);
            builder.addAttribute(new QName("name", null, null), FileUtils.fileName(entry));
            try {
                if (Files.isRegularFile(entry)) {
                    final Long sizeLong = Files.size(entry);
                    String sizeString = Long.toString(sizeLong);
                    String humanSize = getHumanSize(sizeLong, sizeString);
                    builder.addAttribute(new QName("size", null, null), sizeString);
                    builder.addAttribute(new QName("human-size", null, null), humanSize);
                }
                builder.addAttribute(new QName("modified", null, null), new DateTimeValue(new Date(Files.getLastModifiedTime(entry).toMillis())).getStringValue());
                builder.addAttribute(new QName("hidden", null, null), new BooleanValue(Files.isHidden(entry)).getStringValue());
                builder.addAttribute(new QName("canRead", null, null), new BooleanValue(Files.isReadable(entry)).getStringValue());
                builder.addAttribute(new QName("canWrite", null, null), new BooleanValue(Files.isWritable(entry)).getStringValue());
            } catch (final IOException | XPathException ioe) {
                LOG.warn(ioe);
            }
            builder.endElement();
        });
        builder.endElement();
        return (NodeValue) builder.getDocument().getDocumentElement();
    } catch (final IOException ioe) {
        throw new XPathException(this, ioe);
    } finally {
        context.popDocumentContext();
    }
}

Example 20 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class FunAnalyzeString method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    context.pushDocumentContext();
    try {
        final MemTreeBuilder builder = context.getDocumentBuilder();
        builder.startDocument();
        builder.startElement(new QName("analyze-string-result", Function.BUILTIN_FUNCTION_NS), null);
        String input = "";
        if (!args[0].isEmpty()) {
            input = args[0].itemAt(0).getStringValue();
        }
        if (input != null && !input.isEmpty()) {
            final String pattern = args[1].itemAt(0).getStringValue();
            String flags = "";
            if (args.length == 3) {
                flags = args[2].itemAt(0).getStringValue();
            }
            analyzeString(builder, input, pattern, flags);
        }
        builder.endElement();
        builder.endDocument();
        return (NodeValue) builder.getDocument().getDocumentElement();
    } finally {
        context.popDocumentContext();
    }
}