Package net.sf.saxon.expr

Class PJConverter.ToNull

java.lang.Object

net.sf.saxon.expr.PJConverter

net.sf.saxon.expr.PJConverter.ToNull

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

PJConverter

public static class PJConverter.ToNull
extends PJConverter

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class net.sf.saxon.expr.PJConverter

PJConverter.AnyURIValueToURI, PJConverter.AnyURIValueToURL, PJConverter.Atomic, PJConverter.BooleanValueToBoolean, PJConverter.CalendarValueToCalendar, PJConverter.CalendarValueToDate, PJConverter.General, PJConverter.Identity, PJConverter.IntegerValueToBigInteger, PJConverter.IntegerValueToByte, PJConverter.IntegerValueToChar, PJConverter.IntegerValueToInt, PJConverter.IntegerValueToLong, PJConverter.IntegerValueToShort, PJConverter.NumericValueToBigDecimal, PJConverter.NumericValueToDouble, PJConverter.NumericValueToFloat, PJConverter.QualifiedNameValueToQName, PJConverter.StringValueToChar, PJConverter.StringValueToString, PJConverter.ToArray, PJConverter.ToCollection, PJConverter.ToNull, PJConverter.ToSequenceExtent, PJConverter.ToSequenceIterator, PJConverter.UnwrapExternalObject

Field Summary

Fields

Modifier and Type	Field	Description
static PJConverter.ToNull	INSTANCE

Constructor Summary

Constructors

Constructor	Description
ToNull()

Method Summary

Modifier and Type	Method	Description
java.lang.Object	convert(ValueRepresentation<? extends Item> value, java.lang.Class targetClass, XPathContext context)	Convert an XPath value to a Java value of a specified class

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from class net.sf.saxon.expr.PJConverter

allocate, allocateNodeListCreator, getEquivalentItemType

Field Detail

INSTANCE

public static final PJConverter.ToNull INSTANCE

Constructor Detail

ToNull

public ToNull()

Method Detail

convert

public java.lang.Object convert(ValueRepresentation<? extends Item> value,
                                java.lang.Class targetClass,
                                XPathContext context)
                         throws XPathException

Description copied from class: PJConverter

Convert an XPath value to a Java value of a specified class

Specified by:

convert in class PJConverter

Parameters:

value - the supplied XPath value

targetClass - the class of the required Java value

context - the XPath dynamic context

Returns:

the corresponding Java value, which is guaranteed to be an instance of the target class (except that an empty sequence is converted to null)

Throws:

XPathException - if the conversion is not possible or fails