Package org.apache.commons.collections.iterators

Class IteratorEnumeration

java.lang.Object

org.apache.commons.collections.iterators.IteratorEnumeration

All Implemented Interfaces:

Enumeration

public class IteratorEnumeration
extends Object
implements Enumeration

Adapter to make an Iterator instance appear to be an Enumeration instance.

Since:

Commons Collections 1.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $

Field Summary

Fields

Modifier and Type	Field	Description
private Iterator	iterator	The iterator being decorated.

Constructor Summary

Constructors

Constructor	Description
IteratorEnumeration()	Constructs a new IteratorEnumeration that will not function until setIterator is invoked.
IteratorEnumeration(Iterator iterator)	Constructs a new IteratorEnumeration that will use the given iterator.

Method Summary

Modifier and Type	Method	Description
Iterator	getIterator()	Returns the underlying iterator.
boolean	hasMoreElements()	Returns true if the underlying iterator has more elements.
Object	nextElement()	Returns the next element from the underlying iterator.
void	setIterator(Iterator iterator)	Sets the underlying iterator.

Methods inherited from class java.lang.Object

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

Field Details

iterator

private Iterator iterator

The iterator being decorated.

Constructor Details

IteratorEnumeration

public IteratorEnumeration()

Constructs a new IteratorEnumeration that will not function until setIterator is invoked.

IteratorEnumeration

public IteratorEnumeration(Iterator iterator)

Constructs a new IteratorEnumeration that will use the given iterator.

Parameters:

iterator - the iterator to use

Method Details

hasMoreElements

public boolean hasMoreElements()

Returns true if the underlying iterator has more elements.

Specified by:

hasMoreElements in interface Enumeration

Returns:

true if the underlying iterator has more elements

nextElement

public Object nextElement()

Returns the next element from the underlying iterator.

Specified by:

nextElement in interface Enumeration

Returns:

the next element from the underlying iterator.

Throws:

NoSuchElementException - if the underlying iterator has no more elements

getIterator

public Iterator getIterator()

Returns the underlying iterator.

Returns:

the underlying iterator

setIterator

public void setIterator(Iterator iterator)

Sets the underlying iterator.

Parameters:

iterator - the new underlying iterator