org.apache.commons.collections.iterators
Class AbstractIteratorDecorator

java.lang.Object
  org.apache.commons.collections.iterators.AbstractIteratorDecorator

All Implemented Interfaces:

java.util.Iterator

Direct Known Subclasses:

AbstractDualBidiMap.EntrySetIterator, AbstractDualBidiMap.KeySetIterator, AbstractDualBidiMap.ValuesIterator

public class AbstractIteratorDecorator
extends java.lang.Object
implements java.util.Iterator

Provides basic behaviour for decorating an iterator with extra functionality.

All methods are forwarded to the decorated iterator.

Since:

Commons Collections 3.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $

Author:

James Strachan, Stephen Colebourne

Field Summary

protected java.util.Iterator

iterator The iterator being decorated

Constructor Summary

AbstractIteratorDecorator(java.util.Iterator iterator)
Constructor that decorates the specified iterator.

Method Summary

protected java.util.Iterator	getIterator() Gets the iterator being decorated.
boolean	hasNext()
java.lang.Object	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

iterator

protected final java.util.Iterator iterator

The iterator being decorated

Constructor Detail

AbstractIteratorDecorator

public AbstractIteratorDecorator(java.util.Iterator iterator)

Constructor that decorates the specified iterator.

Parameters:

iterator - the iterator to decorate, must not be null

Throws:

java.lang.IllegalArgumentException - if the collection is null

Method Detail

getIterator

protected java.util.Iterator getIterator()

Gets the iterator being decorated.

Returns:

the decorated iterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator