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java.lang.Objectorg.apache.commons.collections15.iterators.EnumerationIterator<E>
public class EnumerationIterator<E>
Adapter to make Enumeration instances appear
to be Iterator instances.
| Constructor Summary | |
|---|---|
EnumerationIterator()
Constructs a new EnumerationIterator that will not
function until setEnumeration(Enumeration) is called. |
|
EnumerationIterator(Enumeration<E> enumeration)
Constructs a new EnumerationIterator that provides
an iterator view of the given enumeration. |
|
EnumerationIterator(Enumeration<E> enumeration,
Collection<E> collection)
Constructs a new EnumerationIterator that will remove
elements from the specified collection. |
|
| Method Summary | |
|---|---|
Enumeration<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<E> enumeration)
Sets the underlying enumeration. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public EnumerationIterator()
EnumerationIterator that will not
function until setEnumeration(Enumeration) is called.
public EnumerationIterator(Enumeration<E> enumeration)
EnumerationIterator that provides
an iterator view of the given enumeration.
enumeration - the enumeration to use
public EnumerationIterator(Enumeration<E> enumeration,
Collection<E> collection)
EnumerationIterator that will remove
elements from the specified collection.
enumeration - the enumeration to usecollection - the collection to remove elements form| Method Detail |
|---|
public 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()
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<E> getEnumeration()
public void setEnumeration(Enumeration<E> enumeration)
enumeration - the new underlying enumeration
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