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

Example 56 with StringValue

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

the class EchoFunction method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    // is argument the empty sequence?
    if (args[0].isEmpty()) {
        return Sequence.EMPTY_SEQUENCE;
    }
    // iterate through the argument sequence and echo each item
    ValueSequence result = new ValueSequence();
    for (SequenceIterator i = args[0].iterate(); i.hasNext(); ) {
        String str = i.nextItem().getStringValue();
        result.add(new StringValue("echo: " + str));
    }
    return result;
}

Example 57 with StringValue

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

the class ExampleFunctions method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    switch(getName().getLocalPart()) {
        case FS_HELLO_WORLD_NAME:
            return sayHello(Optional.of(new StringValue("World")));
        case FS_SAY_HELLO_NAME:
            final Optional<StringValue> name = args[0].isEmpty() ? Optional.empty() : Optional.of((StringValue) args[0].itemAt(0));
            return sayHello(name);
        case FS_ADD_NAME:
            final IntegerValue a = (IntegerValue) args[0].itemAt(0);
            final IntegerValue b = (IntegerValue) args[1].itemAt(0);
            return add(a, b);
        default:
            throw new XPathException(this, "No function: " + getName() + "#" + getSignature().getArgumentCount());
    }
}

Example 58 with StringValue

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

the class InstallFunction method getBinaryDoc.

private LockedDocument getBinaryDoc(final String path) throws XPathException {
    try {
        final XmldbURI uri = XmldbURI.createInternal(path);
        final LockedDocument lockedDoc = context.getBroker().getXMLResource(uri, LockMode.READ_LOCK);
        if (lockedDoc == null) {
            throw new XPathException(this, EXPathErrorCode.EXPDY001, path + " is not .xar resource", new StringValue(path));
        } else if (lockedDoc.getDocument().getResourceType() != DocumentImpl.BINARY_FILE) {
            lockedDoc.close();
            throw new XPathException(this, EXPathErrorCode.EXPDY001, path + " is not a valid .xar, it's not a binary resource", new StringValue(path));
        }
        return lockedDoc;
    } catch (PermissionDeniedException e) {
        throw new XPathException(this, EXPathErrorCode.EXPDY003, e.getMessage(), new StringValue(path), e);
    }
}

Example 59 with StringValue

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

the class XQueryTrigger method getScript.

private CompiledXQuery getScript(boolean isBefore, DBBroker broker, Txn transaction, XmldbURI src) throws TriggerException {
    // get the query
    final Source query = getQuerySource(broker);
    if (query == null) {
        return null;
    }
    // avoid infinite recursion by allowing just one trigger per thread
    if (isBefore && !TriggerStatePerThread.verifyUniqueTriggerPerThreadBeforePrepare(this, src)) {
        return null;
    } else if (!isBefore && !TriggerStatePerThread.verifyUniqueTriggerPerThreadBeforeFinish(this, src)) {
        return null;
    }
    TriggerStatePerThread.setTransaction(transaction);
    final XQueryContext context = new XQueryContext(broker.getBrokerPool());
    if (query instanceof DBSource) {
        context.setModuleLoadPath(XmldbURI.EMBEDDED_SERVER_URI_PREFIX + ((DBSource) query).getDocumentPath().removeLastSegment().toString());
    }
    CompiledXQuery compiledQuery;
    try {
        // compile the XQuery
        compiledQuery = service.compile(context, query);
        // declare user defined parameters as external variables
        for (Object o : userDefinedVariables.keySet()) {
            final String varName = (String) o;
            final String varValue = userDefinedVariables.getProperty(varName);
            context.declareVariable(bindingPrefix + varName, new StringValue(varValue));
        }
        // reset & prepareForExecution for execution
        compiledQuery.reset();
        context.getWatchDog().reset();
        // do any preparation before execution
        context.prepareForExecution();
        return compiledQuery;
    } catch (final XPathException | IOException | PermissionDeniedException e) {
        LOG.warn(e.getMessage(), e);
        TriggerStatePerThread.setTriggerRunningState(TriggerStatePerThread.NO_TRIGGER_RUNNING, this, null);
        TriggerStatePerThread.setTransaction(null);
        throw new TriggerException(PREPARE_EXCEPTION_MESSAGE, e);
    }
}

Example 60 with StringValue

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

the class FunIdRef method getIdRef.

private void getIdRef(NodeSet result, DocumentSet docs, String id) throws XPathException {
    final NodeSet attribs = context.getBroker().getValueIndex().find(context.getWatchDog(), Comparison.EQ, docs, null, -1, null, new StringValue(id, Type.IDREF));
    for (final NodeProxy n : attribs) {
        n.setNodeType(Node.ATTRIBUTE_NODE);
        result.add(n);
    }
}