/**

  * Distribution License:

  * JSword is free software; you can redistribute it and/or modify it under

  * the terms of the GNU Lesser General Public License, version 2.1 or later

  * as published by the Free Software Foundation. This program is distributed

  * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even

  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  * See the GNU Lesser General Public License for more details.

  *

  * The License is available on the internet at:

  *      http://www.gnu.org/copyleft/lgpl.html

  * or by writing to:

  *      Free Software Foundation, Inc.

  *      59 Temple Place - Suite 330

  *      Boston, MA 02111-1307, USA

  *

  * © CrossWire Bible Society, 2008 - 2016

  *

  */

 package org.crosswire.common.util;

 import java.util.Iterator;

 import java.util.NoSuchElementException;

 /**

  * An <code>ItemIterator</code> is an <code>Iterator</code> that iterates a

  * single item.

  * 

  * @param <T> The type of the single element that this iterator will return.

  * @see gnu.lgpl.License The GNU Lesser General Public License for details.

  * @author DM Smith

  */

 public class ItemIterator<T> implements Iterator<T> {

     public ItemIterator(T item) {

         this.item = item;

     }

     /* (non-Javadoc)

      * @see java.util.Iterator#hasNext()

      */

     public boolean hasNext() {

         return !done;

     }

     /* (non-Javadoc)

      * @see java.util.Iterator#next()

      */

     public T next() {

         if (done) {

             throw new NoSuchElementException();

         }

         done = true;

         return item;

     }

     /* (non-Javadoc)

      * @see java.util.Iterator#remove()

      */

     public void remove() throws UnsupportedOperationException {

         throw new UnsupportedOperationException();

     }

     private T item;

     private boolean done;

 }