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

Example 71 with Item

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

the class InspectModuleTest method xqDoc_withAtSignInline.

@Ignore("https://github.com/eXist-db/exist/issues/1386")
@Test
public void xqDoc_withAtSignInline() throws PermissionDeniedException, XPathException, EXistException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final XQuery xqueryService = pool.getXQueryService();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = pool.getTransactionManager().beginTransaction()) {
        final String query = "import module namespace inspect = \"http://exist-db.org/xquery/inspection\";\n" + "inspect:inspect-module(xs:anyURI(\"xmldb:exist://" + TEST_COLLECTION.append(TEST_MODULE).toCollectionPathURI() + "\"))\n" + "/function[@name eq \"x:fun1\"]";
        final Sequence result = xqueryService.execute(broker, query, null);
        assertNotNull(result);
        assertEquals(1, result.getItemCount());
        final Item item1 = result.itemAt(0);
        assertTrue(item1 instanceof ElementImpl);
        final Element function = (Element) item1;
        final NodeList descriptions = function.getElementsByTagName("description");
        assertEquals(1, descriptions.getLength());
        assertEquals("Some description.", descriptions.item(0).getFirstChild().getTextContent());
        final NodeList arguments = function.getElementsByTagName("argument");
        assertEquals(0, arguments.getLength());
        final NodeList returns = function.getElementsByTagName("returns");
        assertEquals(1, returns.getLength());
        assertEquals("taxonomy[@type = \"reign\"]", returns.item(0).getFirstChild().getTextContent());
        transaction.commit();
    }
}

Example 72 with Item

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

the class InspectModuleTest method xqDoc_withParamsAndReturn.

@Test
public void xqDoc_withParamsAndReturn() throws PermissionDeniedException, XPathException, EXistException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final XQuery xqueryService = pool.getXQueryService();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = pool.getTransactionManager().beginTransaction()) {
        final String query = "import module namespace inspect = \"http://exist-db.org/xquery/inspection\";\n" + "inspect:inspect-module(xs:anyURI(\"xmldb:exist://" + TEST_COLLECTION.append(TEST_MODULE).toCollectionPathURI() + "\"))\n" + "/function[@name eq \"x:fun2\"]";
        final Sequence result = xqueryService.execute(broker, query, null);
        assertNotNull(result);
        assertEquals(1, result.getItemCount());
        final Item item1 = result.itemAt(0);
        assertTrue(item1 instanceof ElementImpl);
        final Element function = (Element) item1;
        final NodeList descriptions = function.getElementsByTagName("description");
        assertEquals(1, descriptions.getLength());
        assertEquals("Some other description.", descriptions.item(0).getFirstChild().getNodeValue());
        final NodeList arguments = function.getElementsByTagName("argument");
        assertEquals(2, arguments.getLength());
        assertEquals("first parameter", arguments.item(0).getFirstChild().getNodeValue());
        assertEquals("second parameter", arguments.item(1).getFirstChild().getNodeValue());
        final NodeList returns = function.getElementsByTagName("returns");
        assertEquals(1, returns.getLength());
        assertEquals("our result", returns.item(0).getFirstChild().getNodeValue());
        transaction.commit();
    }
}

Example 73 with Item

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

the class CollectionName method eval.

/* (non-Javadoc)
	 * @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
	 */
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (args[0].isEmpty()) {
        return Sequence.EMPTY_SEQUENCE;
    }
    final Item item = args[0].itemAt(0);
    if (item.getType() == Type.JAVA_OBJECT) {
        final Object o = ((JavaObjectValue) item).getObject();
        if (!(o instanceof Collection)) {
            throw new XPathException(this, "Passed Java object should be of type org.xmldb.api.base.Collection");
        }
        final Collection collection = (Collection) o;
        try {
            return new StringValue(collection.getName());
        } catch (final XMLDBException e) {
            throw new XPathException(this, "Failed to retrieve collection name", e);
        }
    } else if (Type.subTypeOf(item.getType(), Type.STRING)) {
        final String path = item.getStringValue();
        try {
            final XmldbURI uri = XmldbURI.xmldbUriFor(path).removeLastSegment();
            return new StringValue(uri.toString());
        } catch (final URISyntaxException e) {
            throw new XPathException(this, "Illegal URI for resource path: " + path);
        }
    } else if (Type.subTypeOf(item.getType(), Type.NODE)) {
        final NodeValue node = (NodeValue) item;
        if (node.getImplementationType() == NodeValue.PERSISTENT_NODE) {
            final NodeProxy p = (NodeProxy) node;
            // TODO: use xmldbUri
            return new StringValue(p.getOwnerDocument().getCollection().getURI().toString());
        }
    } else {
        throw new XPathException(this, "First argument to util:collection-name should be either " + "a Java object of type org.xmldb.api.base.Collection or a node; got: " + Type.getTypeName(item.getType()));
    }
    return Sequence.EMPTY_SEQUENCE;
}

Example 74 with Item

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

the class DeepCopyFunction method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    if (args[0].isEmpty()) {
        return Sequence.EMPTY_SEQUENCE;
    }
    final Item a = args[0].itemAt(0);
    context.pushDocumentContext();
    try {
        final MemTreeBuilder builder = context.getDocumentBuilder();
        builder.startDocument();
        final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder);
        try {
            final Properties props = new Properties();
            a.toSAX(context.getBroker(), receiver, props);
        } catch (final SAXException e) {
            throw new XPathException(this, "Cannot Deep-copy Item");
        }
        builder.endDocument();
        return (NodeValue) receiver.getDocument().getDocumentElement();
    } finally {
        context.popDocumentContext();
    }
}

Example 75 with Item

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

the class QNameIndexLookup method eval.

public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (contextSequence == null || contextSequence.isEmpty()) {
        // if the context sequence is empty, we create a default context
        final RootNode rootNode = new RootNode(context);
        contextSequence = rootNode.eval(null, null);
    }
    final Sequence[] args = getArguments(null, null);
    final Item item = args[0].itemAt(0);
    final QNameValue qval;
    try {
        // attempt to convert the first argument to a QName
        qval = (QNameValue) item.convertTo(Type.QNAME);
    } catch (final XPathException e) {
        // wrong type: generate a diagnostic error
        throw new XPathException(this, Messages.formatMessage(Error.FUNC_PARAM_TYPE, new Object[] { "1", getSignature().toString(), null, Type.getTypeName(Type.QNAME), Type.getTypeName(item.getType()) }));
    }
    QName qname = qval.getQName();
    if (args.length == 3 && !(args[2].itemAt(0).toJavaObject(boolean.class))) {
        qname = new QName(qname.getLocalPart(), qname.getNamespaceURI(), qname.getPrefix(), ElementValue.ATTRIBUTE);
    }
    final AtomicValue comparisonCriterion = args[1].itemAt(0).atomize();
    final NativeValueIndex valueIndex = context.getBroker().getValueIndex();
    final Sequence result = valueIndex.find(context.getWatchDog(), Comparison.EQ, contextSequence.getDocumentSet(), null, NodeSet.ANCESTOR, qname, comparisonCriterion);
    return result;
}