/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil -*-
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License.  You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is the Grendel mail/news client.
 *
 * The Initial Developer of the Original Code is Netscape Communications
 * Corporation.  Portions created by Netscape are Copyright (C) 1997
 * Netscape Communications Corporation.  All Rights Reserved.
 */

package calypso.util;

import java.util.Enumeration;
import java.util.NoSuchElementException;

class WeakLinkArrayEnumeration implements Enumeration {
  WeakLink fArray[];
  int fCount;
  int fOffset;

  WeakLinkArrayEnumeration(WeakLinkArray aArray) {
    fArray = aArray.fArray;
    fCount = aArray.fCount;
  }

  public boolean hasMoreElements() {
    return fOffset < fCount;
  }

  public Object nextElement() {
    if (fOffset == fCount) {
      throw new NoSuchElementException();
    }
    return fArray[fOffset++];
  }
}