com.opensymphony.xwork2.util
Class ClassLoaderUtil.AggregateIterator<E>

java.lang.Object
  com.opensymphony.xwork2.util.ClassLoaderUtil.AggregateIterator<E>

All Implemented Interfaces:

Iterator<E>

Enclosing class:

ClassLoaderUtil

protected static class ClassLoaderUtil.AggregateIterator<E>
extends Object
implements Iterator<E>

Aggregates Enumeration instances into one iterator and filters out duplicates. Always keeps one ahead of the enumerator to protect against returning duplicates.

Field Summary

(package private) Enumeration<E>	cur
(package private) LinkedList<Enumeration<E>>	enums
(package private) Set<E>	loaded
(package private) E	next

Constructor Summary

protected

ClassLoaderUtil.AggregateIterator()

Method Summary

ClassLoaderUtil.AggregateIterator	addEnumeration(Enumeration<E> e)
private Enumeration<E>	determineCurrentEnumeration()
boolean	hasNext()
private E	loadNext()
E	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

enums

LinkedList<Enumeration<E>> enums

cur

Enumeration<E> cur

next

E next

loaded

Set<E> loaded

Constructor Detail

ClassLoaderUtil.AggregateIterator

protected ClassLoaderUtil.AggregateIterator()

Method Detail

addEnumeration

public ClassLoaderUtil.AggregateIterator addEnumeration(Enumeration<E> e)

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

next

public E next()

Specified by:

next in interface Iterator<E>

determineCurrentEnumeration

private Enumeration<E> determineCurrentEnumeration()

loadNext

private E loadNext()

remove

public void remove()

Specified by:

remove in interface Iterator<E>