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

Example 6 with Item

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

the class TransformTest method keys.

/**
 * {@see https://github.com/eXist-db/exist/issues/1506}
 */
@Test
public void keys() throws EXistException, PermissionDeniedException, XPathException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final XQuery xquery = pool.getXQueryService();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        final Sequence sequence = xquery.execute(broker, LIST_OPS_XQUERY, null);
        assertNotNull(sequence);
        assertEquals(1, sequence.getItemCount());
        final Item item = sequence.itemAt(0);
        assertTrue(item instanceof Element);
        final Element dsn_flat = ((Element) item);
        assertEquals("DSN_FLAT", dsn_flat.getNodeName());
        final NodeList nodeList = dsn_flat.getElementsByTagName("listOpsEntry");
        assertEquals(4, nodeList.getLength());
        assertEquals("id: IRCANTEC doEntiteAff: false doGenerateB20: true ", nodeList.item(0).getTextContent());
        assertEquals("id: CIBTP doEntiteAff: true doGenerateB20: true ", nodeList.item(1).getTextContent());
        assertEquals("id: AGIRC-ARRCO doEntiteAff: true doGenerateB20: false ", nodeList.item(2).getTextContent());
        assertEquals("id: CTIP-FFSA-FNMF doEntiteAff: true doGenerateB20: true ", nodeList.item(3).getTextContent());
    }
}

Example 7 with Item

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

the class TransformTest method xslDocument.

@Ignore("https://github.com/eXist-db/exist/issues/2096")
@Test
public void xslDocument() throws EXistException, PermissionDeniedException, XPathException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final XQuery xquery = pool.getXQueryService();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        final Sequence sequence = xquery.execute(broker, DOCUMENT_XSLT_QUERY, null);
        assertNotNull(sequence);
        assertTrue(sequence.hasOne());
        final Item item = sequence.itemAt(0);
        assertEquals(Type.DOCUMENT, item.getType());
        final Source expected = Input.fromString("<elem1/>").build();
        final Source actual = Input.fromDocument(sequence.itemAt(0).toJavaObject(Document.class)).build();
        final Diff diff = DiffBuilder.compare(actual).withTest(expected).checkForSimilar().build();
        assertFalse(diff.toString(), diff.hasDifferences());
    }
}

Example 8 with Item

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

the class ResourceFunctionExecutorImpl method convertToType.

// TODO this needs to be abstracted into EXQuery library / or not, see the TODOs below
private <X> TypedValue<X> convertToType(final XQueryContext xqueryContext, final String argumentName, final TypedValue typedValue, final org.exquery.xquery.Type destinationType, final Class<X> underlyingDestinationClass) throws RestXqServiceException {
    // TODO consider changing Types that can be used as <T> to TypedValue to a set of interfaces for XDM types that
    // require absolute minimal implementation, and we provide some default or abstract implementations if possible
    final Item convertedValue;
    try {
        final int existDestinationType = TypeAdapter.toExistType(destinationType);
        final Item value;
        // Consider a factory or java.util.ServiceLoader pattern
        if (typedValue instanceof org.exquery.xdm.type.StringTypedValue) {
            value = new StringValue(((org.exquery.xdm.type.StringTypedValue) typedValue).getValue());
        } else if (typedValue instanceof org.exquery.xdm.type.Base64BinaryTypedValue) {
            value = BinaryValueFromInputStream.getInstance(xqueryContext, new Base64BinaryValueType(), ((org.exquery.xdm.type.Base64BinaryTypedValue) typedValue).getValue());
        } else {
            value = (Item) typedValue.getValue();
        }
        if (existDestinationType == value.getType()) {
            convertedValue = value;
        } else if (value instanceof AtomicValue) {
            convertedValue = value.convertTo(existDestinationType);
        } else {
            LOG.warn("Could not convert parameter '{}' from '{}' to '{}'.", argumentName, typedValue.getType().name(), destinationType.name());
            convertedValue = value;
        }
    } catch (final XPathException xpe) {
        // TODO define an ErrorCode
        throw new RestXqServiceException("TODO need to implement error code for problem with parameter conversion!: " + xpe.getMessage(), xpe);
    }
    return new TypedValue<X>() {

        @Override
        public org.exquery.xquery.Type getType() {
            // return destinationType;
            return TypeAdapter.toExQueryType(convertedValue.getType());
        }

        @Override
        public X getValue() {
            return (X) convertedValue;
        }
    };
}

Example 9 with Item

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

the class SendRequestFunction method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    Sequence bodies = Sequence.EMPTY_SEQUENCE;
    String href = null;
    NodeValue request = null;
    switch(getArgumentCount()) {
        case 3:
            bodies = args[2];
        case 2:
            {
                Item i = args[1].itemAt(0);
                if (i != null) {
                    href = i.getStringValue();
                }
            }
        case 1:
            request = (NodeValue) args[0].itemAt(0);
            break;
        default:
            return Sequence.EMPTY_SEQUENCE;
    }
    return sendRequest(request, href, bodies);
}

Example 10 with Item

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

the class FunMin method eval.

/* (non-Javadoc)
	 * @see org.exist.xquery.Expression#eval(org.exist.dom.persistent.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
	 */
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    boolean computableProcessing = false;
    Sequence result;
    final Sequence arg = getArgument(0).eval(contextSequence, contextItem);
    if (arg.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        // TODO : test if a range index is defined *iff* it is compatible with the collator
        final Collator collator = getCollator(contextSequence, contextItem, 2);
        final SequenceIterator iter = arg.unorderedIterator();
        AtomicValue min = null;
        while (iter.hasNext()) {
            final Item item = iter.nextItem();
            if (item instanceof QNameValue) {
                throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(item.getType()), arg);
            }
            AtomicValue value = item.atomize();
            // Duration values must either all be xs:yearMonthDuration values or must all be xs:dayTimeDuration values.
            if (Type.subTypeOf(value.getType(), Type.DURATION)) {
                value = ((DurationValue) value).wrap();
                if (value.getType() == Type.YEAR_MONTH_DURATION) {
                    if (min != null && min.getType() != Type.YEAR_MONTH_DURATION) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), value);
                    }
                } else if (value.getType() == Type.DAY_TIME_DURATION) {
                    if (min != null && min.getType() != Type.DAY_TIME_DURATION) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), value);
                    }
                } else {
                    throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(value.getType()), value);
                }
            // Any value of type xdt:untypedAtomic is cast to xs:double
            } else if (value.getType() == Type.UNTYPED_ATOMIC) {
                value = value.convertTo(Type.DOUBLE);
            }
            if (min == null) {
                min = value;
            } else {
                if (Type.getCommonSuperType(min.getType(), value.getType()) == Type.ATOMIC) {
                    throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), value);
                }
                // Any value of type xdt:untypedAtomic is cast to xs:double
                if (value.getType() == Type.ATOMIC) {
                    value = value.convertTo(Type.DOUBLE);
                }
                // Numeric tests
                if (Type.subTypeOfUnion(value.getType(), Type.NUMBER)) {
                    // Don't mix comparisons
                    if (!Type.subTypeOfUnion(min.getType(), Type.NUMBER)) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), min);
                    }
                    if (((NumericValue) value).isNaN()) {
                        // Type NaN correctly
                        value = value.promote(min);
                        if (value.getType() == Type.FLOAT) {
                            min = FloatValue.NaN;
                        } else {
                            min = DoubleValue.NaN;
                        }
                        // although result will be NaN, we need to continue on order to type correctly
                        continue;
                    }
                    min = min.promote(value);
                }
                // Ugly test
                if (value instanceof ComputableValue) {
                    if (!(min instanceof ComputableValue)) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), min);
                    }
                    // Type value correctly
                    value = value.promote(min);
                    min = min.min(collator, value);
                    computableProcessing = true;
                } else {
                    if (computableProcessing) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), value);
                    }
                    if (Collations.compare(collator, value.getStringValue(), min.getStringValue()) < 0) {
                        min = value;
                    }
                }
            }
        }
        result = min;
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}