/*

  * $Source$

  * $Revision$

  *

  * Copyright (C) 2000 William Chesters

  *

  * Part of Melati (http://melati.org), a framework for the rapid

  * development of clean, maintainable web applications.

  *

  * Melati is free software; Permission is granted to copy, distribute

  * and/or modify this software under the terms either:

  *

  * a) the GNU General Public License as published by the Free Software

  *    Foundation; either version 2 of the License, or (at your option)

  *    any later version,

  *

  *    or

  *

  * b) any version of the Melati Software License, as published

  *    at http://melati.org

  *

  * You should have received a copy of the GNU General Public License and

  * the Melati Software License along with this program;

  * if not, write to the Free Software Foundation, Inc.,

  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the

  * GNU General Public License and visit http://melati.org to obtain the

  * Melati Software License.

  *

  * Feel free to contact the Developers of Melati (http://melati.org),

  * if you would like to work out a different arrangement than the options

  * outlined here.  It is our intention to allow Melati to be used by as

  * wide an audience as possible.

  *

  * 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 General Public License for more details.

  *

  * Contact details for copyright holder:

  *

  *     William Chesters <williamc At paneris.org>

  *     http://paneris.org/~williamc

  *     Obrechtstraat 114, 2517VX Den Haag, The Netherlands

  */

 package org.melati.poem.util;

 import java.util.Enumeration;

 import java.util.NoSuchElementException;

 /**

  * An <code>Enumeration</code> of sequential Integers.

  */

 public class IntegerEnumeration implements Enumeration<Integer> {

   private int limit, index;

   /**

    * Constructor with lower, included, bound and upper, excluded, bound.

    * @param start first element.

    * @param limitP upper, excluded, limit

    */

   public IntegerEnumeration(int start, int limitP) {

     this.index = start;

     this.limit = limitP;

   }

   /**

    * {@inheritDoc}

    * @see java.util.Enumeration#hasMoreElements()

    */

   public boolean hasMoreElements() {

     return index < limit;

   }

   /**

    * {@inheritDoc}

    * @see java.util.Enumeration#nextElement()

    */

   public synchronized Integer nextElement() throws NoSuchElementException {

     if (index >= limit)

       throw new NoSuchElementException();

     Integer value = new Integer(index);

     index++;

     return value;

   }

 }