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java.lang.Objectorg.apache.commons.collections.iterators.EnumerationIterator
public class EnumerationIterator
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(java.util.Enumeration enumeration)
Constructs a new EnumerationIterator that provides
an iterator view of the given enumeration. |
|
EnumerationIterator(java.util.Enumeration enumeration,
java.util.Collection collection)
Constructs a new EnumerationIterator that will remove
elements from the specified collection. |
|
| Method Summary | |
|---|---|
java.util.Enumeration |
getEnumeration()
Returns the underlying enumeration. |
boolean |
hasNext()
Returns true if the underlying enumeration has more elements. |
java.lang.Object |
next()
Returns the next object from the enumeration. |
void |
remove()
Removes the last retrieved element if a collection is attached. |
void |
setEnumeration(java.util.Enumeration 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(java.util.Enumeration enumeration)
EnumerationIterator that provides
an iterator view of the given enumeration.
enumeration - the enumeration to use
public EnumerationIterator(java.util.Enumeration enumeration,
java.util.Collection 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 java.util.Iteratorjava.lang.NullPointerException - if the underlying enumeration is nullpublic java.lang.Object next()
next in interface java.util.Iteratorjava.lang.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 java.util.Iteratorjava.lang.IllegalStateException - next() not called.
java.lang.UnsupportedOperationException - if no associated collectionpublic java.util.Enumeration getEnumeration()
public void setEnumeration(java.util.Enumeration enumeration)
enumeration - the new underlying enumeration
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