org.archive.util.iterator
Class CompositeIterator

java.lang.Object
  org.archive.util.iterator.CompositeIterator

All Implemented Interfaces:

java.util.Iterator

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

An iterator that's built up out of any number of other iterators.

Author:

gojomo

Field Summary

(package private) java.util.Iterator	currentIterator
(package private) int	indexOfCurrentIterator
(package private) java.util.ArrayList<java.util.Iterator>	iterators

Constructor Summary

CompositeIterator()
Create an empty CompositeIterator.

CompositeIterator(java.util.Iterator i1, java.util.Iterator i2)
Convenience method for concatenating together two iterators.

Method Summary

void	add(java.util.Iterator i) Add an iterator to the internal chain.
boolean	hasNext()
java.lang.Object	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

iterators

java.util.ArrayList<java.util.Iterator> iterators

currentIterator

java.util.Iterator currentIterator

indexOfCurrentIterator

int indexOfCurrentIterator

Constructor Detail

CompositeIterator

public CompositeIterator()

Create an empty CompositeIterator. Internal iterators may be added later.

CompositeIterator

public CompositeIterator(java.util.Iterator i1,
                         java.util.Iterator i2)

Convenience method for concatenating together two iterators.

Parameters:

i1 -

i2 -

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

add

public void add(java.util.Iterator i)

Add an iterator to the internal chain.

Parameters:

i - an iterator to add.