org.apache.commons.jxpath.ri.model.beans
Class PropertyIterator

java.lang.Object
  org.apache.commons.jxpath.ri.model.beans.PropertyIterator

All Implemented Interfaces:

NodeIterator

Direct Known Subclasses:

BeanAttributeIterator, DynamicPropertyIterator

public class PropertyIterator
extends java.lang.Object
implements NodeIterator

Iterates property values of an object pointed at with a PropertyOwnerPointer. Examples of such objects are JavaBeans and objects with Dynamic Properties.

Version:

$Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $

Author:

Dmitri Plotnikov

Field Summary

private boolean	empty
private boolean	includeStart
private java.lang.String	name
private int	position
private PropertyPointer	propertyNodePointer
private boolean	reverse
private int	startIndex
private int	startPropertyIndex
private boolean	targetReady

Constructor Summary

PropertyIterator(PropertyOwnerPointer pointer, java.lang.String name, boolean reverse, NodePointer startWith)
Create a new PropertyIterator.

Method Summary

private int	getLength() Computes length for the current pointer - ignores any exceptions.
NodePointer	getNodePointer() Get the NodePointer at the current position.
int	getPosition() Get the current iterator position.
protected NodePointer	getPropertyPointer() Get the property pointer.
protected void	prepareForIndividualProperty(java.lang.String name) Prepare for an individual property.
void	reset() Reset property iteration.
boolean	setPosition(int position) Set the new current position.
private boolean	setPositionAllProperties(int position) Set position for all properties
private boolean	setPositionIndividualProperty(int position) Set position for an individual property.

Methods inherited from class java.lang.Object

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

Field Detail

empty

private boolean empty

reverse

private boolean reverse

name

private java.lang.String name

startIndex

private int startIndex

targetReady

private boolean targetReady

position

private int position

propertyNodePointer

private PropertyPointer propertyNodePointer

startPropertyIndex

private int startPropertyIndex

includeStart

private boolean includeStart

Constructor Detail

PropertyIterator

public PropertyIterator(PropertyOwnerPointer pointer,
                        java.lang.String name,
                        boolean reverse,
                        NodePointer startWith)

Create a new PropertyIterator.

Parameters:

pointer - owning pointer

name - property name

reverse - iteration order

startWith - beginning pointer

Method Detail

getPropertyPointer

protected NodePointer getPropertyPointer()

Get the property pointer.

Returns:

NodePointer

reset

public void reset()

Reset property iteration.

getNodePointer

public NodePointer getNodePointer()

Description copied from interface: NodeIterator

Get the NodePointer at the current position.

Specified by:

getNodePointer in interface NodeIterator

Returns:

NodePointer

getPosition

public int getPosition()

Description copied from interface: NodeIterator

Get the current iterator position.

Specified by:

getPosition in interface NodeIterator

Returns:

int position

setPosition

public boolean setPosition(int position)

Description copied from interface: NodeIterator

Set the new current position.

Specified by:

setPosition in interface NodeIterator

Parameters:

position - the position to set

Returns:

true if there is a node at position.

setPositionIndividualProperty

private boolean setPositionIndividualProperty(int position)

Set position for an individual property.

Parameters:

position - int position

Returns:

whether this was a valid position

setPositionAllProperties

private boolean setPositionAllProperties(int position)

Set position for all properties

Parameters:

position - int position

Returns:

whether this was a valid position

prepareForIndividualProperty

protected void prepareForIndividualProperty(java.lang.String name)

Prepare for an individual property.

Parameters:

name - property name

getLength

private int getLength()

Computes length for the current pointer - ignores any exceptions.

Returns:

length