1 package org.apache.velocity.util;
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.Iterator;
23 import java.util.Enumeration;
24
25 /**
26 * An Iterator wrapper for an Enumeration.
27 *
28 * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
29 * @version $Id: EnumerationIterator.java 463298 2006-10-12 16:10:32Z henning $
30 */
31 public class EnumerationIterator implements Iterator
32 {
33 /**
34 * The enumeration to iterate.
35 */
36 private Enumeration enumeration = null;
37
38 /**
39 * Creates a new iteratorwrapper instance for the specified
40 * Enumeration.
41 *
42 * @param enumeration The Enumeration to wrap.
43 */
44 public EnumerationIterator(Enumeration enumeration)
45 {
46 this.enumeration = enumeration;
47 }
48
49 /**
50 * Move to next element in the array.
51 *
52 * @return The next object in the array.
53 */
54 public Object next()
55 {
56 return enumeration.nextElement();
57 }
58
59 /**
60 * Check to see if there is another element in the array.
61 *
62 * @return Whether there is another element.
63 */
64 public boolean hasNext()
65 {
66 return enumeration.hasMoreElements();
67 }
68
69 /**
70 * Unimplemented. No analogy in Enumeration
71 */
72 public void remove()
73 {
74 // not implemented
75 }
76
77 }