net.sf.saxon.om
Class StructuredQName
java.lang.Object
net.sf.saxon.om.StructuredQName
- Serializable
public class StructuredQName
extends java.lang.Object
implements Serializable
This class provides an economical representation of a QName triple (prefix, URI, and localname).
The value is stored internally as a character array containing the concatenation of URI, localname,
and prefix (in that order) with two integers giving the start positions of the localname and prefix.
Instances of this class are immutable.
StructuredQName(String prefix, String uri, String localName) - Construct a StructuredQName from a prefix, URI, and local name.
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StructuredQName(NamePool pool, int nameCode) - Make a structuredQName from a Namepool nameCode
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boolean | equals(Object other) - Compare two StructuredQName values for equality.
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static StructuredQName | fromClarkName(String expandedName) - Make a structuredQName from a Clark name
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static StructuredQName | fromLexicalQName(CharSequence lexicalName, boolean useDefault, NameChecker checker, NamespaceResolver resolver) - Make a structured QName from a lexical QName, using a supplied NamespaceResolver to
resolve the prefix
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String | getClarkName() - Get the expanded QName in Clark format, that is "{uri}local" if it is in a namespace, or just "local"
otherwise.
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String | getDisplayName() - Get the display name, that is the lexical QName in the form [prefix:]local-part
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String | getLocalName() - Get the local part of the QName
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String | getNamespaceURI() - Get the namespace URI of the QName.
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String | getPrefix() - Get the prefix of the QName.
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int | hashCode() - Get a hashcode to reflect the equals() method
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Object | makeQName(Configuration config) - Temporary method to construct a javax.xml.namespace.QName without actually mentioning it
by name (because the class is not available in JDK 1.4)
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String | toString() - The toString() method displays the QName as a lexical QName, that is prefix:local
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StructuredQName
public StructuredQName(String prefix,
String uri,
String localName)
Construct a StructuredQName from a prefix, URI, and local name. This method performs no validation.
prefix
- The prefix. Use an empty string to represent the null prefix.uri
- The namespace URI. Use an empty string or null to represent the no-namespacelocalName
- The local part of the name
StructuredQName
public StructuredQName(NamePool pool,
int nameCode)
Make a structuredQName from a Namepool nameCode
pool
- the NamePoolnameCode
- a name code that has been registered in the NamePool
equals
public boolean equals(Object other)
Compare two StructuredQName values for equality. This compares the URI and local name parts,
excluding any prefix
fromClarkName
public static StructuredQName fromClarkName(String expandedName)
Make a structuredQName from a Clark name
expandedName
- the name in Clark notation "{uri}local" if in a namespace, or "local" otherwise.
The format "{}local" is also accepted for a name in no namespace.
- the constructed StructuredQName
fromLexicalQName
public static StructuredQName fromLexicalQName(CharSequence lexicalName,
boolean useDefault,
NameChecker checker,
NamespaceResolver resolver)
throws XPathException
Make a structured QName from a lexical QName, using a supplied NamespaceResolver to
resolve the prefix
lexicalName
- the QName as a lexical name (prefix:local)useDefault
- set to true if an absent prefix implies use of the default namespace;
set to false if an absent prefix implies no namespacechecker
- NameChecker to be used to check conformance against XML 1.0 or 1.1 lexical rulesresolver
- NamespaceResolver used to look up a URI for the prefix
- the StructuredQName object corresponding to this lexical QName
XPathException
- if the namespace prefix is not in scope or if the value is lexically
invalid. Error code FONS0004 is set if the namespace prefix has not been declared; error
code FOCA0002 is set if the name is lexically invalid.
getClarkName
public String getClarkName()
Get the expanded QName in Clark format, that is "{uri}local" if it is in a namespace, or just "local"
otherwise.
- the QName in Clark notation
getDisplayName
public String getDisplayName()
Get the display name, that is the lexical QName in the form [prefix:]local-part
getLocalName
public String getLocalName()
Get the local part of the QName
- the local part of the QName
getNamespaceURI
public String getNamespaceURI()
Get the namespace URI of the QName.
- the URI. Returns the empty string to represent the no-namespace
getPrefix
public String getPrefix()
Get the prefix of the QName.
- the prefix. Returns the empty string if the name is unprefixed.
hashCode
public int hashCode()
Get a hashcode to reflect the equals() method
- a hashcode based on the URI and local part only, ignoring the prefix.
makeQName
public Object makeQName(Configuration config)
Temporary method to construct a javax.xml.namespace.QName without actually mentioning it
by name (because the class is not available in JDK 1.4)
config
- the Saxon configuration
- an object of class javax.xml.namespace.QName representing this qualified name, or null
if the object cannot be constructed (typically because the class javax.xml.namespace.QName is
not available)
toString
public String toString()
The toString() method displays the QName as a lexical QName, that is prefix:local