org.jboss.util.xml.catalog.helpers
Class Namespaces

java.lang.Object
  extended by org.jboss.util.xml.catalog.helpers.Namespaces

public class Namespaces
extends Object

Static Namespace query methods.

This class defines a set of static methods that can be called to analyze the namespace properties of DOM nodes.

Version:
1.0
Author:
Norman Walsh Norman.Walsh@Sun.COM

Constructor Summary
Namespaces()
           
 
Method Summary
static String getLocalName(Element element)
          Returns the "localname" part of a QName, which is the whole name if it has no prefix.
static String getNamespaceURI(Element element)
          Returns the namespace URI for the namespace to which the element belongs.
static String getNamespaceURI(Node node, String prefix)
          Returns the namespace URI for the specified prefix at the specified context node.
static String getPrefix(Element element)
          Returns the "prefix" part of a QName or the empty string (not null) if the name has no prefix.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Namespaces

public Namespaces()
Method Detail

getPrefix

public static String getPrefix(Element element)
Returns the "prefix" part of a QName or the empty string (not null) if the name has no prefix.

Parameters:
element - The QName of an element.
Returns:
The prefix part of the element name.

getLocalName

public static String getLocalName(Element element)
Returns the "localname" part of a QName, which is the whole name if it has no prefix.

Parameters:
element - The QName of an element.
Returns:
The local part of a QName.

getNamespaceURI

public static String getNamespaceURI(Node node,
                                     String prefix)
Returns the namespace URI for the specified prefix at the specified context node.

Parameters:
node - The context node.
prefix - The prefix.
Returns:
The namespace URI associated with the prefix, or null if no namespace declaration exists for the prefix.

getNamespaceURI

public static String getNamespaceURI(Element element)
Returns the namespace URI for the namespace to which the element belongs.

Parameters:
element - The element.
Returns:
The namespace URI associated with the namespace of the element, or null if no namespace declaration exists for it.


Copyright © 2002 JBoss Group, LLC. All Rights Reserved.