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package org.codehaus.stax2.ri;

import java.util.Iterator;

/**
 * Simple implementation of "null iterator", iterator that has nothing to
 * iterate over.
 */
public final class EmptyIterator
    implements Iterator
{
    final static Iterator sInstance = new EmptyIterator();

    private EmptyIterator() { }

    @SuppressWarnings("unchecked")
    public static  Iterator getInstance() { return (Iterator) sInstance; }

    @Override
    public boolean hasNext() { return false; }
    
    @Override
    public Object next() {
        throw new java.util.NoSuchElementException();
    }
    
    @Override
    public void remove()
    {
        // The reason we do this is that we know for a fact that
        // it can not have been moved
        throw new IllegalStateException();
    }
}
    

    

    

            

    

            



    
    






    
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