org.springmodules.validation.util.collection
Class FilteredIterator

java.lang.Object
  org.springmodules.validation.util.collection.ReadOnlyIterator
      org.springmodules.validation.util.collection.FilteredIterator

All Implemented Interfaces:

java.util.Iterator

Direct Known Subclasses:

SubElementsIterator

public class FilteredIterator
extends ReadOnlyIterator

An wrapper iterator that filters out items from the underlying iterator based on a condition.

Author:

Uri Boness

Constructor Summary

FilteredIterator(java.util.Iterator iterator, Condition condition)
Constructs a new FilteredIterator with given iterator to wrap and a condition.

Method Summary

protected void	advanceIterator()
boolean	hasNext()
protected void	initializeIfNeeded()
java.lang.Object	next()

Methods inherited from class org.springmodules.validation.util.collection.ReadOnlyIterator

remove

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteredIterator

public FilteredIterator(java.util.Iterator iterator,
                        Condition condition)

Constructs a new FilteredIterator with given iterator to wrap and a condition. The constructed iterator will return only the element that adhere to the given condition.

Parameters:

iterator - The iterator to wrap.

condition - The condition that determines what elements should be returned by this iterator.

Method Detail

hasNext

public boolean hasNext()

next

public java.lang.Object next()

initializeIfNeeded

protected void initializeIfNeeded()

advanceIterator

protected void advanceIterator()