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An OSGi bundle for Saxon-HE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2013 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.value;
import net.sf.saxon.expr.XPathContext;
import net.sf.saxon.lib.ConversionRules;
import net.sf.saxon.lib.StringCollator;
import net.sf.saxon.om.NamePool;
import net.sf.saxon.om.StandardNames;
import net.sf.saxon.om.StructuredQName;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.type.AtomicType;
import net.sf.saxon.type.BuiltInAtomicType;
import net.sf.saxon.type.ValidationFailure;
import javax.xml.namespace.QName;
/**
* A qualified name: this is an abstract superclass for QNameValue and NotationValue, representing the
* XPath primitive types xs:QName and xs:NOTATION respectively
*/
public abstract class QualifiedNameValue extends AtomicValue {
/*@NotNull*/ protected StructuredQName qName;
/**
* Factory method to construct either a QName or a NOTATION value, or a subtype of either of these.
* Note that it is the caller's responsibility to resolve the QName prefix into a URI
* @param prefix the prefix part of the value. Use "" or null for the empty prefix.
* @param uri the namespace URI part of the value. Use "" or null for the non-namespace
* @param local the local part of the value
* @param targetType the target type, which must be xs:QName or a subtype of xs:NOTATION or xs:QName
* @param lexicalForm the original lexical form of the value. This is needed in case there are facets
* such as pattern that check the lexical form
* @param rules the conversion rules to be applied
* @return the converted value
* @throws XPathException if the value cannot be converted.
*/
/*@Nullable*/ public static AtomicValue makeQName(String prefix, String uri, String local,
/*@NotNull*/ AtomicType targetType, CharSequence lexicalForm, ConversionRules rules)
throws XPathException {
if (targetType.getFingerprint() == StandardNames.XS_QNAME) {
return new QNameValue(prefix, uri, local, BuiltInAtomicType.QNAME, null);
} else {
QualifiedNameValue qnv;
if (targetType.getPrimitiveType() == StandardNames.XS_QNAME) {
qnv = new QNameValue(prefix, uri, local, targetType, null);
} else {
qnv = new NotationValue(prefix, uri, local, (AtomicType)null);
}
ValidationFailure vf = targetType.validate(qnv, lexicalForm, rules);
if (vf != null) {
throw vf.makeException();
}
qnv.setTypeLabel(targetType);
return qnv;
}
}
/**
* Get the string value as a String. Returns the QName as a lexical QName, retaining the original
* prefix if available.
*/
public final String getPrimitiveStringValue() {
return qName.getDisplayName();
}
/**
* Convert to a StructuredQName
* @return the name as a StructuredQName
*/
/*@Nullable*/ public StructuredQName toStructuredQName() {
return qName;
}
/**
* Get the QName in Clark notation, that is "{uri}local" if in a namespace, or "local" otherwise
* @return the name in Clark notation
*/
public final String getClarkName() {
return qName.getClarkName();
}
/**
* Get the local part
* @return the local part of the name (the part after the colon)
*/
/*@NotNull*/
public final String getLocalName() {
return qName.getLocalPart();
}
/**
* Get the namespace part. Returns the empty string for a name in no namespace.
* @return the namespace URI component of the name, or "" for a no-namespace name
*/
/*@NotNull*/
public final String getNamespaceURI() {
return qName.getURI();
}
/**
* Get the prefix. Returns the empty string if the name is unprefixed.
* @return the prefix, or "" to indicate no prefix
*/
/*@NotNull*/
public final String getPrefix() {
return qName.getPrefix();
}
/**
* Allocate a nameCode for this QName in the NamePool
* @param pool the NamePool to be used
* @return the allocated nameCode
*/
public int allocateNameCode(/*@NotNull*/ NamePool pool) {
return pool.allocate(getPrefix(), getNamespaceURI(), getLocalName());
}
/**
* Get an object value that implements the XPath equality and ordering comparison semantics for this value.
* If the ordered parameter is set to true, the result will be a Comparable and will support a compareTo()
* method with the semantics of the XPath lt/gt operator, provided that the other operand is also obtained
* using the getXPathComparable() method. In all cases the result will support equals() and hashCode() methods
* that support the semantics of the XPath eq operator, again provided that the other operand is also obtained
* using the getXPathComparable() method. A context argument is supplied for use in cases where the comparison
* semantics are context-sensitive, for example where they depend on the implicit timezone or the default
* collation.
*
* @param ordered true if an ordered comparison is required. In this case the result is null if the
* type is unordered; in other cases the returned value will be a Comparable.
* @param collator the collation to be used for the comparison
* @param context the XPath dynamic evaluation context, used in cases where the comparison is context
* sensitive @return an Object whose equals() and hashCode() methods implement the XPath comparison semantics
*/
/*@Nullable*/ public Object getXPathComparable(boolean ordered, StringCollator collator, XPathContext context) {
return (ordered ? null : this);
}
public int hashCode() {
return qName.hashCode();
}
public boolean isIdentical(/*@NotNull*/ AtomicValue v) {
return super.isIdentical(v) && qName.getPrefix().equals(((QualifiedNameValue)v).getPrefix());
}
/**
* The toString() method returns the name in the form QName("uri", "local")
* @return the name in in the form QName("uri", "local")
*/
/*@NotNull*/ public String toString() {
return "QName(\"" + getNamespaceURI() + "\", \"" + getLocalName() + "\")";
}
/**
* Construct a javax.xml.namespace.QName from this QualifiedNameValue
* @return an equivalent instance of the JAXP QName class
*/
public QName toJaxpQName() {
return qName.toJaxpQName();
// Note JDK 1.5 dependency
}
/**
* Get the equivalent StructuredQName
* @return the equivalent StructuredQName
*/
/*@NotNull*/ public StructuredQName getStructuredQName() {
return qName;
}
}
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