How to use

PrecedingAxisIterator

in

org.jaxen.util

public Iterator getPrecedingAxisIterator(Object contextNode) throws UnsupportedAxisException
{
  return new PrecedingAxisIterator( contextNode,
                   this );
  // throw new UnsupportedAxisException("preceding");
}

/**
 * Returns the next preceding node.
 * 
 * @return the next preceding node
 * 
 * @throws NoSuchElementException if no preceding nodes remain
 * 
 * @see java.util.Iterator#next()
 */
public Object next() throws NoSuchElementException
{
  if (!hasNext())
  {
    throw new NoSuchElementException();
  }
  while (true)
  {
    Object result = childrenOrSelf.previous();
    if (childrenOrSelf.hasPrevious())
    {
      // if this isn't 'self' construct 'descendant-or-self'
      stack.add(childrenOrSelf);
      childrenOrSelf = childrenOrSelf(result);
      continue;
    }
    return result;
  }
}

childrenOrSelf = childrenOrSelf(node);

@Override
public Iterator<?> getPrecedingAxisIterator(final Object contextNode) throws UnsupportedAxisException {
  return new PrecedingAxisIterator(contextNode, this);
}