org.archive.wayback.util
Class PeekableIterator<E>

java.lang.Object
  org.archive.wayback.util.PeekableIterator<E>

Type Parameters:

E -

All Implemented Interfaces:

java.io.Closeable, java.util.Iterator<E>, CloseableIterator<E>

public class PeekableIterator<E>
extends java.lang.Object
implements CloseableIterator<E>

Version:

$Date$, $Revision$

Author:

brad

Constructor Summary

PeekableIterator(java.util.Iterator<E> itr)

Method Summary

void	close()
boolean	hasNext()
E	next()
E	peekNext()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

PeekableIterator

public PeekableIterator(java.util.Iterator<E> itr)

Parameters:

itr -

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<E>

Returns:

true if this Iterator has another element.

peekNext

public E peekNext()

Returns:

Object that will be returned from next(), or null

next

public E next()

Specified by:

next in interface java.util.Iterator<E>

Returns:

next Object

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<E>