/**
* Construct an atomic value given its lexical representation and the name of the required
* built-in atomic type.
*
* <p>This method cannot be used to construct values that are namespace-sensitive (QNames and
* Notations)
*
* @param lexicalForm the value in the lexical space of the target data type. More strictly, the
* input value before the actions of the whitespace facet for the target data type are
* applied.
* @param type the required atomic type. This must either be one of the built-in atomic types
* defined in XML Schema, or a user-defined type whose definition appears in a schema that is
* known to the Processor. It must not be an abstract type.
* @throws SaxonApiException if the type is unknown, or is not atomic, or is namespace-sensitive;
* or if the value supplied in <tt>lexicalForm</tt> is not in the lexical space of the
* specified atomic type.
*/
public XdmAtomicValue(String lexicalForm, ItemType type) throws SaxonApiException {
net.sf.saxon.type.ItemType it = type.getUnderlyingItemType();
if (!it.isAtomicType()) {
throw new SaxonApiException("Requested type is not atomic");
}
if (((AtomicType) it).isAbstract()) {
throw new SaxonApiException("Requested type is an abstract type");
}
if (((AtomicType) it).isNamespaceSensitive()) {
throw new SaxonApiException("Requested type is namespace-sensitive");
}
if (((AtomicType) it).isBuiltInType()) {
ConversionResult cv =
StringValue.convertStringToBuiltInType(
lexicalForm, (BuiltInAtomicType) it, new Name11Checker());
try {
setValue(cv.asAtomic());
} catch (ValidationException e) {
throw new SaxonApiException(e);
}
} else {
Configuration config =
((ConstructedItemType) type).getProcessor().getUnderlyingConfiguration();
ConversionResult result =
new StringValue(lexicalForm)
.convert((AtomicType) it, true, config.getConversionContext());
try {
setValue(result.asAtomic());
} catch (ValidationException e) {
throw new SaxonApiException(e);
}
}
}
public static Object getValue(
Class<?> type, Item colItem, Configuration config, CommandContext context)
throws XPathException, ValidationException, TransformationException {
Object value = colItem;
if (value instanceof AtomicValue) {
value = getValue((AtomicValue) colItem, context);
} else if (value instanceof Item) {
Item i = (Item) value;
if (XMLSystemFunctions.isNull(i)) {
return null;
}
BuiltInAtomicType bat = typeMapping.get(type);
if (bat != null) {
AtomicValue av = new StringValue(i.getStringValueCS());
ConversionResult cr = Converter.convert(av, bat, config.getConversionRules());
value = cr.asAtomic();
value = getValue((AtomicValue) value, context);
if (value instanceof Item) {
value = ((Item) value).getStringValue();
}
} else {
value = i.getStringValue();
}
}
return FunctionDescriptor.importValue(value, type);
}
