/// <summary>
/// Construct an atomic value of a given built-in or user-defined type
/// </summary>
/// <example>
/// <code>AtomicValue("abcd", QName.XDT_UNTYPED_ATOMIC)</code>
/// <para>creates an untyped atomic value containing the string "abcd"</para>
/// </example>
/// <param name="lexicalForm">The string representation of the value (any value that is acceptable
/// in the lexical space, as defined by XML Schema Part 2). Whitespace normalization as defined by
/// the target type will be applied to the value.</param>
/// <param name="type">The QName giving the name of the target type. This must be an atomic
/// type, and it must not be a type that is namespace-sensitive (QName, NOTATION, or types derived
/// from these). If the type is a user-defined type then its definition must be present
/// in the schema cache maintained by the <c>SchemaManager</c>.</param>
/// <param name="processor">The <c>Processor</c> object. This is needed for looking up user-defined
/// types, and also because some conversions are context-sensitive, for example they depend on the
/// implicit timezone or the choice of XML 1.0 versus XML 1.1 for validating names.</param>
/// <exception name="ArgumentException">Thrown if the type is unknown or unsuitable, or if the supplied string is not
/// a valid lexical representation of a value of the given type.</exception>
public XdmAtomicValue(String lexicalForm, QName type, Processor processor)
{
JConfiguration jconfig = processor.config;
int fp = jconfig.getNamePool().getFingerprint(type.Uri, type.LocalName);
if (fp == -1)
{
throw new ArgumentException("Unknown name " + type);
}
JSchemaType st = jconfig.getSchemaType(fp);
if (st == null)
{
throw new ArgumentException("Unknown type " + type);
}
if (!(st is JAtomicType))
{
throw new ArgumentException("Specified type " + type + " is not atomic");
}
if (((JAtomicType)st).isNamespaceSensitive())
{
throw new ArgumentException("Specified type " + type + " is namespace-sensitive");
}
JAtomicValue result = new StringValue(lexicalForm).convert(
(JAtomicType)st,
jconfig.getConversionContext(),
true);
if (result is ValidationErrorValue)
{
throw new ArgumentException(((ValidationErrorValue)result).getException().getMessage());
}
this.value = result;
}