1 /*
2 * Copyright 2006 Ralf Joachim
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5 * in compliance with the License. You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the License
10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11 * or implied. See the License for the specific language governing permissions and limitations under
12 * the License.
13 */
14 package org.castor.core.util;
15
16 import java.util.Enumeration;
17 import java.util.Iterator;
18
19 /**
20 * Convert an enumeration to an iterator.
21 *
22 * @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
23 * @version $Revision: 5951 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $
24 * @since 1.0.4
25 */
26 public final class EnumerationIterator implements Iterator {
27 /** Enumeration to iterate over. */
28 private final Enumeration _enumeration;
29
30 /**
31 * Construct an iterator for given enumeration.
32 *
33 * @param enumeration Enumeration to iterate over.
34 */
35 public EnumerationIterator(final Enumeration enumeration) {
36 _enumeration = enumeration;
37 }
38
39 /**
40 * {@inheritDoc}
41 */
42 public boolean hasNext() {
43 return _enumeration.hasMoreElements();
44 }
45
46 /**
47 * {@inheritDoc}
48 */
49 public Object next() {
50 return _enumeration.nextElement();
51 }
52
53 /**
54 * {@inheritDoc}
55 */
56 public void remove() {
57 throw new UnsupportedOperationException();
58 }
59 }