1 /*
2 * Copyright 2006 Ralf Joachim
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
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 */
16 package org.castor.core.util;
17
18 import java.util.Enumeration;
19 import java.util.Iterator;
20
21 /**
22 * Convert an enumeration to an iterator.
23 *
24 * @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
25 * @version $Revision: 5951 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $
26 * @since 1.0.4
27 */
28 public final class EnumerationIterator implements Iterator {
29 /** Enumeration to iterate over. */
30 private final Enumeration _enumeration;
31
32 /**
33 * Construct an iterator for given enumeration.
34 *
35 * @param enumeration Enumeration to iterate over.
36 */
37 public EnumerationIterator(final Enumeration enumeration) {
38 _enumeration = enumeration;
39 }
40
41 /**
42 * {@inheritDoc}
43 */
44 public boolean hasNext() {
45 return _enumeration.hasMoreElements();
46 }
47
48 /**
49 * {@inheritDoc}
50 */
51 public Object next() {
52 return _enumeration.nextElement();
53 }
54
55 /**
56 * {@inheritDoc}
57 */
58 public void remove() {
59 throw new UnsupportedOperationException();
60 }
61 }