org.jaxen.util
Class PrecedingSiblingAxisIterator

java.lang.Object
  org.jaxen.util.PrecedingSiblingAxisIterator

All Implemented Interfaces:

java.util.Iterator

public class PrecedingSiblingAxisIterator
extends java.lang.Object
implements java.util.Iterator

Represents the XPath preceding-sibling axis. The "preceding-sibling axis contains all the preceding siblings of the context node; if the context node is an attribute node or namespace node, the preceding-sibling axis is empty."

Version:

1.2b12

Field Summary

private java.lang.Object	contextNode
private Navigator	navigator
private java.lang.Object	nextObj
private java.util.Iterator	siblingIter

Constructor Summary

PrecedingSiblingAxisIterator(java.lang.Object contextNode, Navigator navigator)
Create a new preceding-sibling axis iterator.

Method Summary

boolean	hasNext() Returns true if there are any preceding siblings remaining; false otherwise.
private void	init()
java.lang.Object	next() Returns the next preceding sibling.
void	remove() This operation is not supported.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

contextNode

private java.lang.Object contextNode

navigator

private Navigator navigator

siblingIter

private java.util.Iterator siblingIter

nextObj

private java.lang.Object nextObj

Constructor Detail

PrecedingSiblingAxisIterator

public PrecedingSiblingAxisIterator(java.lang.Object contextNode,
                                    Navigator navigator)
                             throws UnsupportedAxisException

Create a new preceding-sibling axis iterator.

Parameters:

contextNode - the node to start from

navigator - the object model specific navigator

Throws:

UnsupportedAxisException

Method Detail

init

private void init()
           throws UnsupportedAxisException

Throws:

UnsupportedAxisException

hasNext

public boolean hasNext()

Returns true if there are any preceding siblings remaining; false otherwise.

Specified by:

hasNext in interface java.util.Iterator

Returns:

true if any preceding siblings remain; false otherwise

See Also:

Iterator.hasNext()

next

public java.lang.Object next()
                      throws java.util.NoSuchElementException

Returns the next preceding sibling.

Specified by:

next in interface java.util.Iterator

Returns:

the next preceding sibling

Throws:

java.util.NoSuchElementException - if no preceding siblings remain

See Also:

Iterator.next()

remove

public void remove()
            throws java.lang.UnsupportedOperationException

This operation is not supported.

Specified by:

remove in interface java.util.Iterator

Throws:

java.lang.UnsupportedOperationException