Package org.apache.commons.collections.iterators

Class UnmodifiableIterator

java.lang.Object
org.apache.commons.collections.iterators.UnmodifiableIterator
All Implemented Interfaces:
Iterator, Unmodifiable
public final class UnmodifiableIterator extends Object implements Iterator, Unmodifiable
Decorates an iterator such that it cannot be modified.
Since:
Commons Collections 3.0
Version:
$Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
Author:
Stephen Colebourne

  • Method Details

    • decorate

      public static Iterator decorate(Iterator iterator)
      Decorates the specified iterator such that it cannot be modified.

      If the iterator is already unmodifiable it is returned directly.

      Parameters:
      iterator - the iterator to decorate
      Throws:
      IllegalArgumentException - if the iterator is null

    • hasNext

      public boolean hasNext()
      Specified by:
      hasNext in interface Iterator

    • next

      public Object next()
      Specified by:
      next in interface Iterator

    • remove

      public void remove()
      Specified by:
      remove in interface Iterator