1 package org.apache.commons.ognl;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.Enumeration;
23 import java.util.Iterator;
24
25 /**
26 * Maps an Iterator to an Enumeration
27 *
28 * @author Luke Blanshard (blanshlu@netscape.net)
29 * @author Drew Davidson (drew@ognl.org)
30 */
31 public class IteratorEnumeration<T>
32 implements Enumeration<T>
33 {
34
35 public static <E> Enumeration<E> newEnumeration( Iterator<E> iterator )
36 {
37 return new IteratorEnumeration<E>( iterator );
38 }
39
40 private Iterator<T> it;
41
42 private IteratorEnumeration( Iterator<T> it )
43 {
44 this.it = it;
45 }
46
47 /**
48 * {@inheritDoc}
49 */
50 public boolean hasMoreElements()
51 {
52 return it.hasNext();
53 }
54
55 /**
56 * {@inheritDoc}
57 */
58 public T nextElement()
59 {
60 return it.next();
61 }
62 }