01: /**
02: * Copyright 2006 Webmedia Group Ltd.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: **/package org.araneaframework.jsp.tag.layout.support;
16:
17: import org.apache.commons.collections.ResettableIterator;
18:
19: /**
20: * Dummy <i>resettable</i> iterator that walks infinite void consisting only of <code>null</code> elements.
21: * @author Taimo Peelo (taimo@araneaframework.org)
22: */
23: public class NullIterator implements ResettableIterator {
24: public void reset() {
25: }
26:
27: public void remove() {
28: }
29:
30: /**
31: * Returns <code>true</code>.
32: * @return <code>true</code>
33: */
34: public boolean hasNext() {
35: return true;
36: }
37:
38: /**
39: * Returns <code>null</code>.
40: * @return <code>null</code>
41: */
42: public Object next() {
43: return null;
44: }
45: }
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