public class EnumerationIterator<E> extends Object implements Iterator<E>
Enumeration instances appear
to be Iterator instances.| Constructor and Description |
|---|
EnumerationIterator()
Constructs a new
EnumerationIterator that will not
function until setEnumeration(Enumeration) is called. |
EnumerationIterator(Enumeration<? extends E> enumeration)
Constructs a new
EnumerationIterator that provides
an iterator view of the given enumeration. |
EnumerationIterator(Enumeration<? extends E> enumeration,
Collection<? super E> collection)
Constructs a new
EnumerationIterator that will remove
elements from the specified collection. |
| Modifier and Type | Method and Description |
|---|---|
Enumeration<? extends E> |
getEnumeration()
Returns the underlying enumeration.
|
boolean |
hasNext()
Returns true if the underlying enumeration has more elements.
|
E |
next()
Returns the next object from the enumeration.
|
void |
remove()
Removes the last retrieved element if a collection is attached.
|
void |
setEnumeration(Enumeration<? extends E> enumeration)
Sets the underlying enumeration.
|
public EnumerationIterator()
EnumerationIterator that will not
function until setEnumeration(Enumeration) is called.public EnumerationIterator(Enumeration<? extends E> enumeration)
EnumerationIterator that provides
an iterator view of the given enumeration.enumeration - the enumeration to usepublic EnumerationIterator(Enumeration<? extends E> enumeration, Collection<? super E> collection)
EnumerationIterator that will remove
elements from the specified collection.enumeration - the enumeration to usecollection - the collection to remove elements frompublic boolean hasNext()
hasNext in interface Iterator<E>NullPointerException - if the underlying enumeration is nullpublic E next()
next in interface Iterator<E>NullPointerException - if the enumeration is nullpublic void remove()
Functions if an associated Collection is known.
If so, the first occurrence of the last returned object from this
iterator will be removed from the collection.
remove in interface Iterator<E>IllegalStateException - next() not called.UnsupportedOperationException - if no associated collectionpublic Enumeration<? extends E> getEnumeration()
public void setEnumeration(Enumeration<? extends E> enumeration)
enumeration - the new underlying enumerationCopyright © 2001–2013 The Apache Software Foundation. All rights reserved.