org.apache.commons.collections4.iterators
Class IteratorEnumeration<E>

java.lang.Object
  org.apache.commons.collections4.iterators.IteratorEnumeration<E>

All Implemented Interfaces:

Enumeration<E>

public class IteratorEnumeration<E>
extends Object
implements Enumeration<E>

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

Since:

1.0

Version:

$Id: IteratorEnumeration.java 1477802 2013-04-30 20:01:28Z tn $

IteratorEnumeration

public IteratorEnumeration()

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

IteratorEnumeration

public IteratorEnumeration(Iterator<? extends E> iterator)

Constructs a new IteratorEnumeration that will use the given iterator.

Parameters:

iterator - the iterator to use

hasMoreElements

public boolean hasMoreElements()

Returns true if the underlying iterator has more elements.

Specified by:

hasMoreElements in interface Enumeration<E>

Returns:

true if the underlying iterator has more elements

nextElement

public E nextElement()

Returns the next element from the underlying iterator.

Specified by:

nextElement in interface Enumeration<E>

Returns:

the next element from the underlying iterator.

Throws:

NoSuchElementException - if the underlying iterator has no more elements

getIterator

public Iterator<? extends E> getIterator()

Returns the underlying iterator.

Returns:

the underlying iterator

setIterator

public void setIterator(Iterator<? extends E> iterator)

Sets the underlying iterator.

Parameters:

iterator - the new underlying iterator