01: /**********************************************************************************
02: * $URL: https://source.sakaiproject.org/svn/util/tags/sakai_2-4-1/util-util/util/src/java/org/sakaiproject/util/EmptyIterator.java $
03: * $Id: EmptyIterator.java 6832 2006-03-21 20:43:34Z ggolden@umich.edu $
04: ***********************************************************************************
05: *
06: * Copyright (c) 2003, 2004, 2005, 2006 The Sakai Foundation.
07: *
08: * Licensed under the Educational Community License, Version 1.0 (the "License");
09: * you may not use this file except in compliance with the License.
10: * You may obtain a copy of the License at
11: *
12: * http://www.opensource.org/licenses/ecl1.php
13: *
14: * Unless required by applicable law or agreed to in writing, software
15: * distributed under the License is distributed on an "AS IS" BASIS,
16: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: * See the License for the specific language governing permissions and
18: * limitations under the License.
19: *
20: **********************************************************************************/package org.sakaiproject.util;
21:
22: // imports
23: import java.util.Iterator;
24:
25: /**
26: * <p>
27: * EmptyIterator is an iterator which is empty.
28: * </p>
29: */
30: public class EmptyIterator implements Iterator {
31: public Object next() {
32: return null;
33: }
34:
35: public boolean hasNext() {
36: return false;
37: }
38:
39: public void remove() {
40: throw new UnsupportedOperationException();
41: }
42: }
|