Class UnmodifiableListIterator<E>
- java.lang.Object
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- org.apache.commons.collections4.iterators.UnmodifiableListIterator<E>
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- All Implemented Interfaces:
Iterator<E>
,ListIterator<E>
,Unmodifiable
public final class UnmodifiableListIterator<E> extends Object implements ListIterator<E>, Unmodifiable
Decorates a list iterator such that it cannot be modified.Attempts to modify it will result in an UnsupportedOperationException.
- Since:
- 3.0
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
add(E obj)
boolean
hasNext()
boolean
hasPrevious()
E
next()
int
nextIndex()
E
previous()
int
previousIndex()
void
remove()
void
set(E obj)
static <E> ListIterator<E>
umodifiableListIterator(ListIterator<? extends E> iterator)
Decorates the specified iterator such that it cannot be modified.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface java.util.Iterator
forEachRemaining
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Method Detail
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umodifiableListIterator
public static <E> ListIterator<E> umodifiableListIterator(ListIterator<? extends E> iterator)
Decorates the specified iterator such that it cannot be modified.- Type Parameters:
E
- the element type- Parameters:
iterator
- the iterator to decorate- Returns:
- a new unmodifiable list iterator
- Throws:
NullPointerException
- if the iterator is null
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hasNext
public boolean hasNext()
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next
public E next()
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nextIndex
public int nextIndex()
- Specified by:
nextIndex
in interfaceListIterator<E>
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hasPrevious
public boolean hasPrevious()
- Specified by:
hasPrevious
in interfaceListIterator<E>
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previous
public E previous()
- Specified by:
previous
in interfaceListIterator<E>
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previousIndex
public int previousIndex()
- Specified by:
previousIndex
in interfaceListIterator<E>
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remove
public void remove()
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set
public void set(E obj)
- Specified by:
set
in interfaceListIterator<E>
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add
public void add(E obj)
- Specified by:
add
in interfaceListIterator<E>
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