net.sf.morph.transform.support
Class ResetableIteratorWrapper

java.lang.Object
  net.sf.morph.transform.support.ResetableIteratorWrapper

All Implemented Interfaces:

java.util.Iterator

public class ResetableIteratorWrapper
extends java.lang.Object
implements java.util.Iterator

Reads the contents of an Iterator and saves them so that the Iterator can be iterated over multiple times.

Since:

Dec 5, 2004

Author:

Matt Sgarlata

Constructor Summary

ResetableIteratorWrapper()

ResetableIteratorWrapper(java.util.Iterator iterator)

Method Summary

java.util.Iterator	getIterator() Returns a fresh copy of the wrapped iterator that is ready for another iteration.
boolean	hasNext()
java.lang.Object	next()
void	remove()
void	reset()
void	setIterator(java.util.Iterator iterator) Sets the delegate iterator for this wrapper.
int	size() Get the size of the underlying Iterator.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ResetableIteratorWrapper

public ResetableIteratorWrapper()

ResetableIteratorWrapper

public ResetableIteratorWrapper(java.util.Iterator iterator)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator

reset

public void reset()

getIterator

public java.util.Iterator getIterator()

Returns a fresh copy of the wrapped iterator that is ready for another iteration.

Returns:

null if the delegate iterator was never set

setIterator

public void setIterator(java.util.Iterator iterator)

Sets the delegate iterator for this wrapper.

Parameters:

iterator - the Iterator to set

Throws:

java.lang.IllegalStateException - if the iterator has already been set

java.lang.IllegalArgumentException - if the iterator is null

size

public int size()

Get the size of the underlying Iterator.

Returns:

int

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object