org.norther.tammi.acorn.util
Class UnmodifiableListIterator

java.lang.Object
  org.norther.tammi.acorn.util.UnmodifiableIterator
      org.norther.tammi.acorn.util.UnmodifiableListIterator

All Implemented Interfaces:

Enumeration, Iterator, ListIterator

public class UnmodifiableListIterator
extends UnmodifiableIterator
implements ListIterator

An unmodifiable list iterator wrapper filtering out additions and removals.

Author:

Ilkka Priha

Constructor Summary

UnmodifiableListIterator()
Constructs an empty iterator.

UnmodifiableListIterator(List l)
Constructs a new iterator for a list.

UnmodifiableListIterator(ListIterator i)
Constructs a new iterator.

UnmodifiableListIterator(Object[] a)
Constructs a new iterator for an array.

Method Summary

void	add(Object o)
protected ListIterator	getListIterator() Gets the list iterator adaptee.
boolean	hasPrevious()
int	nextIndex()
Object	previous()
int	previousIndex()
void	set(Object o)

Methods inherited from class org.norther.tammi.acorn.util.UnmodifiableIterator

equals, getIterator, hashCode, hasMoreElements, hasNext, next, nextElement, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.ListIterator

hasNext, next, remove

Constructor Detail

UnmodifiableListIterator

public UnmodifiableListIterator()

Constructs an empty iterator.

UnmodifiableListIterator

public UnmodifiableListIterator(ListIterator i)

Constructs a new iterator.

Parameters:

i - the wrapped iterator.

UnmodifiableListIterator

public UnmodifiableListIterator(List l)

Constructs a new iterator for a list.

Parameters:

l - a list to wrap.

UnmodifiableListIterator

public UnmodifiableListIterator(Object[] a)

Constructs a new iterator for an array.

Parameters:

a - an array to wrap.

Method Detail

add

public void add(Object o)

Specified by:

add in interface ListIterator

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface ListIterator

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface ListIterator

previous

public Object previous()

Specified by:

previous in interface ListIterator

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface ListIterator

set

public void set(Object o)

Specified by:

set in interface ListIterator

getListIterator

protected ListIterator getListIterator()

Gets the list iterator adaptee.

Returns:

the wrapped list iterator.