net.sf.jga.util
Class EnumerationIterator<T>

java.lang.Object
  net.sf.jga.util.EnumerationIterator<T>

All Implemented Interfaces:

java.lang.Iterable<T>, java.util.Iterator<T>

public class EnumerationIterator<T>
extends java.lang.Object
implements java.util.Iterator<T>, java.lang.Iterable<T>

Adapts an Enumeration to the Iterator and Iterable interfaces.

Copyright © 2003-2005 David A. Hall

Author:

David A. Hall

Constructor Summary

EnumerationIterator(java.util.Enumeration<T> enumeration)
Builds an EnumerationIterator that adapts the given enumeration to the Iterator and Iterable interfaces.

Method Summary

boolean	hasNext() Returns true if the base enumeration has elements remaining.
java.util.Iterator<T>	iterator()
T	next() Returns the next element in the base enumeration.
void	remove() throws UnsupportedOperationException: Enumerations do not support the removal of elements.

Methods inherited from class java.lang.Object

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

Constructor Detail

EnumerationIterator

public EnumerationIterator(java.util.Enumeration<T> enumeration)

Builds an EnumerationIterator that adapts the given enumeration to the Iterator and Iterable interfaces.

Throws:

java.lang.IllegalArgumentException - if the given enumeration is null.

Method Detail

iterator

public java.util.Iterator<T> iterator()

Specified by:

iterator in interface java.lang.Iterable<T>

hasNext

public boolean hasNext()

Returns true if the base enumeration has elements remaining.

Specified by:

hasNext in interface java.util.Iterator<T>

Returns:

true if the base enumeration has elements remaining.

next

public T next()

Returns the next element in the base enumeration.

Specified by:

next in interface java.util.Iterator<T>

Returns:

the next element in the base enumeration.

Throws:

java.util.NoSuchElementException - if the base enumeration is at its end.

remove

public void remove()
            throws java.lang.UnsupportedOperationException

throws UnsupportedOperationException: Enumerations do not support the removal of elements.

Specified by:

remove in interface java.util.Iterator<T>

Throws:

java.lang.UnsupportedOperationException - when called.