org.apache.commons.collections.iterators
Class ProxyListIterator

java.lang.Object
  |
  +--org.apache.commons.collections.iterators.ProxyListIterator

All Implemented Interfaces:

Iterator, ListIterator

Direct Known Subclasses:

FilterListIterator

public class ProxyListIterator

extends Object

implements ListIterator

A proxy ListIterator which delegates its methods to a proxy instance.

Since:

2.0

Version:

$Revision: 1.1.2.1 $ $Date: 2004/05/22 12:14:04 $

Author:

Rodney Waldhoff

See Also:

ProxyIterator

Constructor Summary

ProxyListIterator()
Constructs a new ProxyListIterator that will not function until setListIterator is invoked.

ProxyListIterator(ListIterator iterator)
Constructs a new ProxyListIterator that will use the given list iterator.

Method Summary

void	add(Object o) Invokes the underlying ListIterator.add(Object) method.
ListIterator	getListIterator() Getter for property iterator.
boolean	hasNext() Invokes the underlying ListIterator.hasNext() method.
boolean	hasPrevious() Invokes the underlying ListIterator.hasPrevious() method.
Object	next() Invokes the underlying ListIterator.next() method.
int	nextIndex() Invokes the underlying ListIterator.nextIndex() method.
Object	previous() Invokes the underlying ListIterator.previous() method.
int	previousIndex() Invokes the underlying ListIterator.previousIndex() method.
void	remove() Invokes the underlying ListIterator.remove() method.
void	set(Object o) Invokes the underlying ListIterator.set(Object) method.
void	setListIterator(ListIterator iterator) Setter for property iterator.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProxyListIterator

public ProxyListIterator()

Constructs a new ProxyListIterator that will not function until setListIterator is invoked.

ProxyListIterator

public ProxyListIterator(ListIterator iterator)

Constructs a new ProxyListIterator that will use the given list iterator.

Parameters:

iterator - the list iterator to use

Method Detail

add

public void add(Object o)

Invokes the underlying ListIterator.add(Object) method.

Specified by:

add in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

getListIterator

public ListIterator getListIterator()

Getter for property iterator.

Returns:

Value of property iterator.

hasNext

public boolean hasNext()

Invokes the underlying ListIterator.hasNext() method.

Specified by:

hasNext in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

hasPrevious

public boolean hasPrevious()

Invokes the underlying ListIterator.hasPrevious() method.

Specified by:

hasPrevious in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

next

public Object next()

Invokes the underlying ListIterator.next() method.

Specified by:

next in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

nextIndex

public int nextIndex()

Invokes the underlying ListIterator.nextIndex() method.

Specified by:

nextIndex in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

previous

public Object previous()

Invokes the underlying ListIterator.previous() method.

Specified by:

previous in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

previousIndex

public int previousIndex()

Invokes the underlying ListIterator.previousIndex() method.

Specified by:

previousIndex in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

remove

public void remove()

Invokes the underlying ListIterator.remove() method.

Specified by:

remove in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

set

public void set(Object o)

Invokes the underlying ListIterator.set(Object) method.

Specified by:

set in interface ListIterator

Throws:

NullPointerException - if the underyling iterator is null

setListIterator

public void setListIterator(ListIterator iterator)

Setter for property iterator.

Parameters:

iterator - New value of property iterator.