Class DescendantAxisIterator

java.lang.Object

org.jaxen.util.DescendantAxisIterator

All Implemented Interfaces:

Iterator

Direct Known Subclasses:

DescendantOrSelfAxisIterator

public class DescendantAxisIterator
extends Object
implements 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

Fields

Modifier and Type	Field	Description
private Iterator	children
private Navigator	navigator
private ArrayList	stack

Constructor Summary

Constructors

Constructor	Description
DescendantAxisIterator(Object contextNode, Navigator navigator)	Create a new descendant axis iterator.
DescendantAxisIterator(Navigator navigator, Iterator iterator)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	Returns true if there are any descendants remaining; false otherwise.
Object	next()	Returns the next descendant node.
void	remove()	This operation is not supported.

Methods inherited from class Object

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

Methods inherited from interface Iterator

forEachRemaining

Field Details

stack

private ArrayList stack

children

private Iterator children

navigator

private Navigator navigator

Constructor Details

DescendantAxisIterator

public DescendantAxisIterator(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

Throws:

UnsupportedAxisException

DescendantAxisIterator

public DescendantAxisIterator(Navigator navigator,
 Iterator iterator)

Method Details

hasNext

public boolean hasNext()

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

Specified by:

hasNext in interface Iterator

Returns:

true if any descendants remain; false otherwise

See Also:

• Iterator.hasNext()

next

public Object next()

Returns the next descendant node.

Specified by:

next in interface Iterator

Returns:

the next descendant node

Throws:

NoSuchElementException - if no descendants remain

See Also:

• Iterator.next()

remove

public void remove()

This operation is not supported.

Specified by:

remove in interface Iterator

Throws:

UnsupportedOperationException - always