org.inria.ns.reflex.xml.xpath.axes
Class PrecedingAxisIterator

java.lang.Object
  extended by org.inria.ns.reflex.xml.xpath.axes.PrecedingAxisIterator
All Implemented Interfaces:
Iterator

public class PrecedingAxisIterator
extends Object
implements Iterator

An implementation of the XPath preceding axis. This class is based on Jaxen, but is independant of a given Jaxen navigator.

Author:
Philippe Poulard

Constructor Summary
PrecedingAxisIterator(Object contextNode)
          Create a new preceding axis iterator.
 
Method Summary
 boolean hasNext()
          Returns true if there are any preceding nodes remaining; false otherwise.
 Object next()
          Returns the next preceding node.
 void remove()
          This operation is not supported.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PrecedingAxisIterator

public PrecedingAxisIterator(Object contextNode)
                      throws UnsupportedAxisException
Create a new preceding axis iterator.

Parameters:
contextNode - the node to start from
navigator - the object model specific navigator
Throws:
UnsupportedAxisException
Method Detail

hasNext

public boolean hasNext()
Returns true if there are any preceding nodes remaining; false otherwise.

Specified by:
hasNext in interface Iterator
Returns:
true if any preceding nodes remain; false otherwise
See Also:
Iterator.hasNext()

next

public Object next()
            throws NoSuchElementException
Returns the next preceding node.

Specified by:
next in interface Iterator
Returns:
the next preceding node
Throws:
NoSuchElementException - if no preceding nodes remain
See Also:
Iterator.next()

remove

public void remove()
            throws UnsupportedOperationException
This operation is not supported.

Specified by:
remove in interface Iterator
Throws:
UnsupportedOperationException - always