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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2018-2022 Saxonica Limited
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package net.sf.saxon.expr;
import net.sf.saxon.Configuration;
import net.sf.saxon.Controller;
import net.sf.saxon.lib.ExternalObjectModel;
import net.sf.saxon.lib.ParseOptions;
import net.sf.saxon.ma.arrays.ArrayItem;
import net.sf.saxon.ma.arrays.ArrayItemType;
import net.sf.saxon.ma.map.MapItem;
import net.sf.saxon.ma.map.MapType;
import net.sf.saxon.om.*;
import net.sf.saxon.pattern.AnyNodeTest;
import net.sf.saxon.pattern.NodeKindTest;
import net.sf.saxon.s9api.*;
import net.sf.saxon.trans.SaxonErrorCode;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.type.ItemType;
import net.sf.saxon.type.*;
import net.sf.saxon.value.*;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMSource;
import java.lang.reflect.ParameterizedType;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.URI;
import java.net.URL;
import java.time.*;
import java.util.*;
/**
* This class together with its embedded subclasses handles conversion from Java values to XPath values.
* The general principle is to allocate a specific JPConverter at compile time wherever possible. If there
* is insufficient type information to make this feasible, a general-purpose JPConverter is allocated, which
* in turn allocates a more specific converter at run-time to do the actual work.
*/
public abstract class JPConverter {
private static final HashMap, JPConverter> converterMap = new HashMap<>();
static {
converterMap.put(XdmValue.class, new FromXdmValue(AnyItemType.getInstance(), StaticProperty.ALLOWS_ZERO_OR_MORE));
converterMap.put(XdmItem.class, new FromXdmValue(AnyItemType.getInstance(), StaticProperty.ALLOWS_ONE));
converterMap.put(XdmAtomicValue.class, new FromXdmValue(BuiltInAtomicType.ANY_ATOMIC, StaticProperty.ALLOWS_ONE));
converterMap.put(XdmNode.class, new FromXdmValue(AnyNodeTest.getInstance(), StaticProperty.ALLOWS_ONE));
converterMap.put(XdmFunctionItem.class, new FromXdmValue(AnyFunctionType.getInstance(), StaticProperty.ALLOWS_ONE));
converterMap.put(XdmMap.class, new FromXdmValue(MapType.ANY_MAP_TYPE, StaticProperty.ALLOWS_ONE));
converterMap.put(XdmArray.class, new FromXdmValue(ArrayItemType.getInstance(), StaticProperty.ALLOWS_ONE));
converterMap.put(XdmEmptySequence.class, new FromXdmValue(ErrorType.getInstance(), StaticProperty.ALLOWS_ZERO));
converterMap.put(SequenceIterator.class, FromSequenceIterator.INSTANCE);
converterMap.put(Sequence.class, FromSequence.INSTANCE);
converterMap.put(OneOrMore.class, FromSequence.INSTANCE);
converterMap.put(One.class, FromSequence.INSTANCE);
converterMap.put(ZeroOrOne.class, FromSequence.INSTANCE);
converterMap.put(ZeroOrMore.class, FromSequence.INSTANCE);
converterMap.put(String.class, FromString.INSTANCE);
converterMap.put(Boolean.class, FromBoolean.INSTANCE);
converterMap.put(boolean.class, FromBoolean.INSTANCE);
converterMap.put(Double.class, FromDouble.INSTANCE);
converterMap.put(double.class, FromDouble.INSTANCE);
converterMap.put(Float.class, FromFloat.INSTANCE);
converterMap.put(float.class, FromFloat.INSTANCE);
converterMap.put(BigDecimal.class, FromBigDecimal.INSTANCE);
converterMap.put(BigInteger.class, FromBigInteger.INSTANCE);
converterMap.put(Long.class, FromLong.INSTANCE);
converterMap.put(long.class, FromLong.INSTANCE);
converterMap.put(Integer.class, FromInt.INSTANCE);
converterMap.put(int.class, FromInt.INSTANCE);
converterMap.put(Short.class, FromShort.INSTANCE);
converterMap.put(short.class, FromShort.INSTANCE);
converterMap.put(Byte.class, FromByte.INSTANCE);
converterMap.put(byte.class, FromByte.INSTANCE);
converterMap.put(Character.class, FromCharacter.INSTANCE);
converterMap.put(char.class, FromCharacter.INSTANCE);
converterMap.put(URI.class, FromURI.INSTANCE);
converterMap.put(URL.class, FromURI.INSTANCE);
converterMap.put(Date.class, FromDate.INSTANCE);
converterMap.put(Instant.class, FromInstant.INSTANCE);
converterMap.put(LocalDateTime.class, FromLocalDateTime.INSTANCE);
converterMap.put(ZonedDateTime.class, FromZonedDateTime.INSTANCE);
converterMap.put(OffsetDateTime.class, FromOffsetDateTime.INSTANCE);
converterMap.put(LocalDate.class, FromLocalDate.INSTANCE);
converterMap.put(long[].class, FromLongArray.INSTANCE);
converterMap.put(int[].class, FromIntArray.INSTANCE);
converterMap.put(short[].class, FromShortArray.INSTANCE);
converterMap.put(byte[].class, FromByteArray.INSTANCE);
converterMap.put(char[].class, FromCharArray.INSTANCE);
converterMap.put(double[].class, FromDoubleArray.INSTANCE);
converterMap.put(float[].class, FromFloatArray.INSTANCE);
converterMap.put(boolean[].class, FromBooleanArray.INSTANCE);
converterMap.put(Collection.class, FromCollection.INSTANCE);
}
private static final Map, ItemType> itemTypeMap = new HashMap<>();
static {
itemTypeMap.put(BooleanValue.class, BuiltInAtomicType.BOOLEAN);
itemTypeMap.put(StringValue.class, BuiltInAtomicType.STRING);
itemTypeMap.put(DoubleValue.class, BuiltInAtomicType.DOUBLE);
itemTypeMap.put(FloatValue.class, BuiltInAtomicType.FLOAT);
itemTypeMap.put(BigDecimalValue.class, BuiltInAtomicType.DECIMAL);
itemTypeMap.put(IntegerValue.class, BuiltInAtomicType.INTEGER);
itemTypeMap.put(DurationValue.class, BuiltInAtomicType.DURATION);
itemTypeMap.put(DayTimeDurationValue.class, BuiltInAtomicType.DAY_TIME_DURATION);
itemTypeMap.put(YearMonthDurationValue.class, BuiltInAtomicType.YEAR_MONTH_DURATION);
itemTypeMap.put(DateTimeValue.class, BuiltInAtomicType.DATE_TIME);
itemTypeMap.put(DateValue.class, BuiltInAtomicType.DATE);
itemTypeMap.put(TimeValue.class, BuiltInAtomicType.TIME);
itemTypeMap.put(GYearValue.class, BuiltInAtomicType.G_YEAR);
itemTypeMap.put(GYearMonthValue.class, BuiltInAtomicType.G_YEAR_MONTH);
itemTypeMap.put(GMonthValue.class, BuiltInAtomicType.G_MONTH);
itemTypeMap.put(GMonthDayValue.class, BuiltInAtomicType.G_MONTH_DAY);
itemTypeMap.put(GDayValue.class, BuiltInAtomicType.G_DAY);
itemTypeMap.put(AnyURIValue.class, BuiltInAtomicType.ANY_URI);
itemTypeMap.put(QNameValue.class, BuiltInAtomicType.QNAME);
itemTypeMap.put(NotationValue.class, BuiltInAtomicType.NOTATION);
itemTypeMap.put(HexBinaryValue.class, BuiltInAtomicType.HEX_BINARY);
itemTypeMap.put(Base64BinaryValue.class, BuiltInAtomicType.BASE64_BINARY);
itemTypeMap.put(NodeInfo.class, AnyNodeTest.getInstance());
itemTypeMap.put(TreeInfo.class, NodeKindTest.DOCUMENT);
itemTypeMap.put(MapItem.class, MapType.getInstance());
itemTypeMap.put(ArrayItem.class, ArrayItemType.getInstance());
itemTypeMap.put(Function.class, AnyFunctionType.getInstance());
itemTypeMap.put(AtomicValue.class, BuiltInAtomicType.ANY_ATOMIC);
//itemTypeMap.put(UntypedAtomicValue.class, BuiltInAtomicType.UNTYPED_ATOMIC);
}
private static final Map, Integer> cardinalityMap = new HashMap<>();
static {
cardinalityMap.put(Sequence.class, StaticProperty.ALLOWS_ZERO_OR_MORE);
cardinalityMap.put(ZeroOrMore.class, StaticProperty.ALLOWS_ZERO_OR_MORE);
cardinalityMap.put(OneOrMore.class, StaticProperty.ALLOWS_ONE_OR_MORE);
cardinalityMap.put(One.class, StaticProperty.EXACTLY_ONE);
cardinalityMap.put(ZeroOrOne.class, StaticProperty.ALLOWS_ZERO_OR_ONE);
cardinalityMap.put(XdmValue.class, StaticProperty.ALLOWS_ZERO_OR_MORE);
cardinalityMap.put(XdmItem.class, StaticProperty.ALLOWS_ZERO_OR_MORE);
cardinalityMap.put(XdmEmptySequence.class, StaticProperty.ALLOWS_ZERO);
}
/**
* Allocate a Java-to-XPath converter for a given class of Java objects
*
*
* @param javaClass the class of the Java object to be converted (this may be the static type
* or the dynamic type, depending when the converter is allocated)
* @param genericType the generic type of the Java object; may be null if unknown
* @param config the Saxon Configuration
* @return a suitable converter
*/
public static JPConverter allocate(Class javaClass, java.lang.reflect.Type genericType, Configuration config) {
if (javax.xml.namespace.QName.class.isAssignableFrom(javaClass)) {
return FromQName.INSTANCE;
}
if (Sequence.class.isAssignableFrom(javaClass)) {
// Following code caters for classes such as OneOrMore
if (genericType instanceof ParameterizedType) {
java.lang.reflect.Type[] params = ((ParameterizedType)genericType).getActualTypeArguments();
if (params.length == 1 && params[0] instanceof Class && Item.class.isAssignableFrom((Class) params[0])) {
ItemType itemType = itemTypeMap.get(params[0]);
Integer cardinality = cardinalityMap.get(javaClass);
if (itemType != null && cardinality != null) {
return new FromSequence(itemType, cardinality);
}
}
} else {
ItemType itemType = itemTypeMap.get(javaClass);
if (itemType != null) {
return new FromSequence(itemType, StaticProperty.ALLOWS_ZERO_OR_ONE);
}
}
}
JPConverter c = converterMap.get(javaClass);
if (c != null) {
return c;
}
if (javaClass.equals(Object.class)) {
return FromObject.INSTANCE;
}
if (NodeInfo.class.isAssignableFrom(javaClass)) {
// probably now redundant
return new FromSequence(AnyNodeTest.getInstance(), StaticProperty.ALLOWS_ZERO_OR_ONE);
}
if (Source.class.isAssignableFrom(javaClass) && !DOMSource.class.isAssignableFrom(javaClass)) {
return FromSource.INSTANCE;
}
for (Map.Entry, JPConverter> e : converterMap.entrySet()) {
if (e.getKey().isAssignableFrom(javaClass)) {
return e.getValue();
}
}
List externalObjectModels = config.getExternalObjectModels();
for (ExternalObjectModel model : externalObjectModels) {
JPConverter converter = model.getJPConverter(javaClass, config);
if (converter != null) {
return converter;
}
}
if (javaClass.isArray()) {
Class itemClass = javaClass.getComponentType();
return new FromObjectArray(allocate(itemClass, null, config));
}
if (javaClass.equals(Void.TYPE)) {
return VoidConverter.INSTANCE;
}
return new ExternalObjectWrapper(config.getJavaExternalObjectType(javaClass));
}
/**
* Convert a Java object to an equivalent XPath value
*
* @param object the java object to be converted
* @param context the XPath dynamic evaluation context
* @return the XPath value resulting from the conversion
* @throws XPathException if the conversion is not possible or if it fails
*/
/*@Nullable*/
public abstract GroundedValue convert(Object object, XPathContext context) throws XPathException;
/**
* Get the item type of the XPath value that will result from the conversion
*
* @return the XPath item type
*/
public abstract ItemType getItemType();
/**
* Get the cardinality of the XPath value that will result from the conversion
*
* @return the cardinality of the result
*/
public int getCardinality() {
// default implementation
return StaticProperty.EXACTLY_ONE;
}
public static class FromObject extends JPConverter {
public static final FromObject INSTANCE = new FromObject();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Class theClass = object.getClass();
JPConverter instanceConverter = allocate(theClass, null, context.getConfiguration());
if (instanceConverter instanceof FromObject) {
instanceConverter = new ExternalObjectWrapper(
context.getConfiguration().getJavaExternalObjectType(theClass));
}
return instanceConverter.convert(object, context);
}
@Override
public ItemType getItemType() {
return AnyItemType.getInstance();
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromSequenceIterator extends JPConverter {
public static final FromSequenceIterator INSTANCE = new FromSequenceIterator();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return SequenceTool.toGroundedValue(((SequenceIterator)object));
}
@Override
public ItemType getItemType() {
return AnyItemType.getInstance();
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromXdmValue extends JPConverter {
private final ItemType resultType;
private final int cardinality;
public FromXdmValue(ItemType resultType, int cardinality) {
this.resultType = resultType;
this.cardinality = cardinality;
}
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return ((XdmValue)object).getUnderlyingValue();
}
@Override
public ItemType getItemType() {
return resultType;
}
@Override
public int getCardinality() {
return cardinality;
}
}
public static class FromSequence extends JPConverter {
public static final FromSequence INSTANCE =
new FromSequence(AnyItemType.getInstance(), StaticProperty.ALLOWS_ZERO_OR_MORE);
private final ItemType resultType;
private final int cardinality;
public FromSequence(ItemType resultType, int cardinality) {
this.resultType = resultType;
this.cardinality = cardinality;
}
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return ((Sequence)object).materialize();
}
@Override
public ItemType getItemType() {
return resultType;
}
@Override
public int getCardinality() {
return cardinality;
}
}
public static class FromString extends JPConverter {
public static final FromString INSTANCE = new FromString();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new StringValue((String) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.STRING;
}
}
public static class FromBoolean extends JPConverter {
public static final FromBoolean INSTANCE = new FromBoolean();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return BooleanValue.get((Boolean) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.BOOLEAN;
}
}
public static class FromDouble extends JPConverter {
public static final FromDouble INSTANCE = new FromDouble();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new DoubleValue((Double) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DOUBLE;
}
}
public static class FromFloat extends JPConverter {
public static final FromFloat INSTANCE = new FromFloat();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new FloatValue((Float) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.FLOAT;
}
}
public static class FromBigDecimal extends JPConverter {
public static final FromBigDecimal INSTANCE = new FromBigDecimal();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new BigDecimalValue((BigDecimal) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DECIMAL;
}
}
public static class FromBigInteger extends JPConverter {
public static final FromBigInteger INSTANCE = new FromBigInteger();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return IntegerValue.makeIntegerValue((BigInteger) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.INTEGER;
}
}
public static class FromLong extends JPConverter {
public static final FromLong INSTANCE = new FromLong();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new Int64Value((Long) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.INTEGER;
}
}
public static class FromInt extends JPConverter {
public static final FromInt INSTANCE = new FromInt();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new Int64Value((Integer) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.INTEGER;
}
}
public static class FromShort extends JPConverter {
public static final FromShort INSTANCE = new FromShort();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new Int64Value(((Short) object).intValue());
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.INTEGER;
}
}
public static class FromByte extends JPConverter {
public static final FromByte INSTANCE = new FromByte();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new Int64Value(((Byte) object).intValue());
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.INTEGER;
}
}
public static class FromCharacter extends JPConverter {
public static final FromCharacter INSTANCE = new FromCharacter();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new StringValue(object.toString());
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.STRING;
}
}
public static class FromQName extends JPConverter {
public static final FromQName INSTANCE = new FromQName();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
javax.xml.namespace.QName qn = (javax.xml.namespace.QName) object;
return new QNameValue(qn.getPrefix(), qn.getNamespaceURI(), qn.getLocalPart());
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.QNAME;
}
}
public static class FromURI extends JPConverter {
// also used for URL
public static final FromURI INSTANCE = new FromURI();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new AnyURIValue((object.toString()));
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.ANY_URI;
}
}
public static class FromDate extends JPConverter {
public static final FromDate INSTANCE = new FromDate();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return DateTimeValue.fromJavaDate((Date) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DATE_TIME;
}
}
public static class FromInstant extends JPConverter {
public static final FromInstant INSTANCE = new FromInstant();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return DateTimeValue.fromJavaInstant((Instant) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DATE_TIME;
}
}
public static class FromZonedDateTime extends JPConverter {
public static final FromZonedDateTime INSTANCE = new FromZonedDateTime();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return DateTimeValue.fromZonedDateTime((ZonedDateTime) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DATE_TIME;
}
}
public static class FromOffsetDateTime extends JPConverter {
public static final FromOffsetDateTime INSTANCE = new FromOffsetDateTime();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return DateTimeValue.fromOffsetDateTime((OffsetDateTime) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DATE_TIME;
}
}
public static class FromLocalDateTime extends JPConverter {
public static final FromLocalDateTime INSTANCE = new FromLocalDateTime();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return DateTimeValue.fromLocalDateTime((LocalDateTime) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DATE_TIME;
}
}
public static class FromLocalDate extends JPConverter {
public static final FromLocalDate INSTANCE = new FromLocalDate();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return new DateValue((LocalDate) object);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DATE_TIME;
}
}
public static class ExternalObjectWrapper extends JPConverter {
private final JavaExternalObjectType resultType;
public ExternalObjectWrapper(JavaExternalObjectType resultType) {
this.resultType = resultType;
}
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
if (object == null) {
return null;
} else if (resultType.getJavaClass().isInstance(object)) {
return new ObjectValue<>(object);
} else {
throw new XPathException("Java external object of type " + object.getClass().getName() +
" is not an instance of the required type " + resultType.getJavaClass().getName(), "XPTY0004");
}
}
@Override
public JavaExternalObjectType getItemType() {
return resultType;
}
}
public static class VoidConverter extends JPConverter {
public static final VoidConverter INSTANCE = new VoidConverter();
public VoidConverter() {
}
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return EmptySequence.getInstance();
}
/**
* Deliberately avoid giving type information
*/
@Override
public ItemType getItemType() {
return AnyItemType.getInstance();
}
}
public static class FromCollection extends JPConverter {
public static final FromCollection INSTANCE = new FromCollection();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
List- list = new ArrayList<>(((Collection) object).size());
int a = 0;
for (Object obj : (Collection) object) {
JPConverter itemConverter = allocate(obj.getClass(), null, context.getConfiguration());
try {
Item item = SequenceTool.asItem(itemConverter.convert(obj, context));
if (item != null) {
list.add(item);
}
} catch (XPathException e) {
throw new XPathException(
"Returned Collection contains an object that cannot be converted to an Item ("
+ obj.getClass() + "): " + e.getMessage(),
SaxonErrorCode.SXJE0051);
}
}
return new SequenceExtent.Of<>(list);
}
@Override
public ItemType getItemType() {
return AnyItemType.getInstance();
}
/**
* Get the cardinality of the XPath value that will result from the conversion
*
* @return the cardinality of the result
*/
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromSource extends JPConverter {
public static final FromSource INSTANCE = new FromSource();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
ParseOptions options = new ParseOptions();
Controller controller = context.getController();
if (controller != null) {
options.setSchemaValidationMode(controller.getSchemaValidationMode());
}
if (object instanceof TreeInfo) {
return ((TreeInfo)object).getRootNode();
}
return context.getConfiguration().buildDocumentTree((Source) object, options).getRootNode();
}
@Override
public ItemType getItemType() {
return AnyNodeTest.getInstance();
}
}
public static class FromLongArray extends JPConverter {
public static final FromLongArray INSTANCE = new FromLongArray();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Item[] array = new Item[((long[]) object).length];
for (int i = 0; i < array.length; i++) {
array[i] = Int64Value.makeDerived(((long[]) object)[i], BuiltInAtomicType.LONG);
}
return new SequenceExtent.Of<>(array);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.LONG;
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromIntArray extends JPConverter {
public static final FromIntArray INSTANCE = new FromIntArray();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Item[] array = new Item[((int[]) object).length];
for (int i = 0; i < array.length; i++) {
array[i] = Int64Value.makeDerived(((int[]) object)[i], BuiltInAtomicType.INT);
}
return new SequenceExtent.Of<>(array);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.INT;
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromShortArray extends JPConverter {
public static final FromShortArray INSTANCE = new FromShortArray();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Item[] array = new Item[((short[]) object).length];
for (int i = 0; i < array.length; i++) {
array[i] = Int64Value.makeDerived(((short[]) object)[i], BuiltInAtomicType.SHORT);
}
return new SequenceExtent.Of<>(array);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.SHORT;
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromByteArray extends JPConverter {
// See bug 3525 - this maps to xs:unsignedByte for legacy/stability reasons
public static final FromByteArray INSTANCE = new FromByteArray();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Item[] array = new Item[((byte[]) object).length];
for (int i = 0; i < array.length; i++) {
array[i] = Int64Value.makeDerived(255 & (int) ((byte[]) object)[i], BuiltInAtomicType.UNSIGNED_BYTE);
}
return new SequenceExtent.Of<>(array);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.UNSIGNED_BYTE;
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromCharArray extends JPConverter {
public static final FromCharArray INSTANCE = new FromCharArray();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
return StringValue.makeStringValue(new String((char[]) object));
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.STRING;
}
}
public static class FromDoubleArray extends JPConverter {
public static final FromDoubleArray INSTANCE = new FromDoubleArray();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Item[] array = new Item[((double[]) object).length];
for (int i = 0; i < array.length; i++) {
array[i] = new DoubleValue(((double[]) object)[i]);
}
return new SequenceExtent.Of<>(array);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.DOUBLE;
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromFloatArray extends JPConverter {
public static final FromFloatArray INSTANCE = new FromFloatArray();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Item[] array = new Item[((float[]) object).length];
for (int i = 0; i < array.length; i++) {
array[i] = new DoubleValue(((float[]) object)[i]);
}
return new SequenceExtent.Of<>(array);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.FLOAT;
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromBooleanArray extends JPConverter {
public static final FromBooleanArray INSTANCE = new FromBooleanArray();
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Item[] array = new Item[((boolean[]) object).length];
for (int i = 0; i < array.length; i++) {
array[i] = BooleanValue.get(((boolean[]) object)[i]);
}
return new SequenceExtent.Of<>(array);
}
@Override
public ItemType getItemType() {
return BuiltInAtomicType.BOOLEAN;
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
public static class FromObjectArray extends JPConverter {
private final JPConverter itemConverter;
public FromObjectArray(JPConverter itemConverter) {
this.itemConverter = itemConverter;
}
@Override
public GroundedValue convert(Object object, XPathContext context) throws XPathException {
Object[] arrayObject = (Object[]) object;
List
- newArray = new ArrayList<>(arrayObject.length);
int a = 0;
for (Object member : arrayObject) {
if (member != null) {
try {
Item newItem = SequenceTool.asItem(itemConverter.convert(member, context));
if (newItem != null) {
newArray.add(newItem);
}
} catch (XPathException e) {
throw new XPathException(
"Returned array contains an object that cannot be converted to an Item (" +
member.getClass() + "): " + e.getMessage(),
SaxonErrorCode.SXJE0051);
}
} else {
throw new XPathException("Returned array contains null values: cannot convert to items", SaxonErrorCode.SXJE0051);
}
}
return new SequenceExtent.Of<>(newArray);
}
@Override
public ItemType getItemType() {
return itemConverter.getItemType();
}
@Override
public int getCardinality() {
return StaticProperty.ALLOWS_ZERO_OR_MORE;
}
}
}