org.jaxen.util
Class DescendantAxisIterator

java.lang.Object
  org.jaxen.util.DescendantAxisIterator

All Implemented Interfaces:

java.util.Iterator

Direct Known Subclasses:

DescendantOrSelfAxisIterator

public class DescendantAxisIterator

extends java.lang.Object

implements java.util.Iterator

Represents the XPath descendant axis. The "descendant axis contains the descendants of the context node; a descendant is a child or a child of a child and so on; thus the descendant axis never contains attribute or namespace nodes."

Version:

1.2b12

Field Summary

private java.util.Iterator	children
private Navigator	navigator
private java.util.ArrayList	stack

Constructor Summary

DescendantAxisIterator(Navigator navigator, java.util.Iterator iterator)

DescendantAxisIterator(java.lang.Object contextNode, Navigator navigator)
Create a new descendant axis iterator.

Method Summary

boolean	hasNext() Returns true if there are any descendants remaining; false otherwise.
java.lang.Object	next() Returns the next descendant node.
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

stack

private java.util.ArrayList stack

children

private java.util.Iterator children

navigator

private Navigator navigator

Constructor Detail

DescendantAxisIterator

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

Create a new descendant axis iterator.

Parameters:

contextNode - the node to start from

navigator - the object model specific navigator

DescendantAxisIterator

public DescendantAxisIterator(Navigator navigator,
                              java.util.Iterator iterator)

Method Detail

hasNext

public boolean hasNext()

Returns true if there are any descendants remaining; false otherwise.

Specified by:

hasNext in interface java.util.Iterator

Returns:

true if any descendants remain; false otherwise

See Also:

Iterator.hasNext()

next

public java.lang.Object next()

Returns the next descendant node.

Specified by:

next in interface java.util.Iterator

Returns:

the next descendant node

Throws:

java.util.NoSuchElementException - if no descendants remain

See Also:

Iterator.next()

remove

public void remove()

This operation is not supported.

Specified by:

remove in interface java.util.Iterator

Throws:

java.lang.UnsupportedOperationException - always