org.apache.commons.collections.iterators
Class AbstractListIteratorDecorator

java.lang.Object
  extended byorg.apache.commons.collections.iterators.AbstractListIteratorDecorator
All Implemented Interfaces:
Iterator, ListIterator
Direct Known Subclasses:
PredicatedList.PredicatedListIterator, TransformedList.TransformedListIterator

public class AbstractListIteratorDecorator
extends Object
implements ListIterator

Provides basic behaviour for decorating a list iterator with extra functionality.

All methods are forwarded to the decorated list iterator.

Since:
Commons Collections 3.0
Version:
$Revision: 155406 $ $Date: 2005-02-26 12:55:26 +0000 (Sat, 26 Feb 2005) $

Field Summary
protected  ListIterator iterator
          The iterator being decorated
 
Constructor Summary
AbstractListIteratorDecorator(ListIterator iterator)
          Constructor that decorates the specified iterator.
 
Method Summary
 void add(Object obj)
           
protected  ListIterator getListIterator()
          Gets the iterator being decorated.
 boolean hasNext()
           
 boolean hasPrevious()
           
 Object next()
           
 int nextIndex()
           
 Object previous()
           
 int previousIndex()
           
 void remove()
           
 void set(Object obj)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

iterator

protected final ListIterator iterator
The iterator being decorated

Constructor Detail

AbstractListIteratorDecorator

public AbstractListIteratorDecorator(ListIterator iterator)
Constructor that decorates the specified iterator.

Parameters:
iterator - the iterator to decorate, must not be null
Throws:
IllegalArgumentException - if the collection is null
Method Detail

getListIterator

protected ListIterator getListIterator()
Gets the iterator being decorated.

Returns:
the decorated iterator

hasNext

public boolean hasNext()
Specified by:
hasNext in interface ListIterator

next

public Object next()
Specified by:
next in interface ListIterator

nextIndex

public int nextIndex()
Specified by:
nextIndex in interface ListIterator

hasPrevious

public boolean hasPrevious()
Specified by:
hasPrevious in interface ListIterator

previous

public Object previous()
Specified by:
previous in interface ListIterator

previousIndex

public int previousIndex()
Specified by:
previousIndex in interface ListIterator

remove

public void remove()
Specified by:
remove in interface ListIterator

set

public void set(Object obj)
Specified by:
set in interface ListIterator

add

public void add(Object obj)
Specified by:
add in interface ListIterator


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