/* Copyright (C) 2006 Christian Schneider * * This file is part of Nomad. * * Nomad is free software; you can redistribute it and/or modify * it under the terms of 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. * * Nomad 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. * * You should have received a copy of the GNU General Public License * along with Nomad; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* * Created on Dec 11, 2006 */ package net.sf.nmedit.nmutils.collections; import java.util.Iterator; import java.util.NoSuchElementException; public class EmptyIterator<T> implements Iterator<T> { private static Iterator<Object> EMPTY_ITERATOR = new EmptyIterator<Object>(); private EmptyIterator() { super(); } @SuppressWarnings("unchecked") public static <T> Iterator<T> getInstance() { return (Iterator<T>) EMPTY_ITERATOR; } public boolean hasNext() { return false; } public T next() { throw new NoSuchElementException(); } public void remove() { throw new IllegalStateException(); } }