1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.jexl3.internal.introspection;
19
20
21 import java.util.Iterator;
22 import java.util.Enumeration;
23
24 /**
25 * An Iterator wrapper for an Enumeration.
26 * @param <T> the type of object this iterator returns
27 * @since 1.0
28 */
29 public class EnumerationIterator<T> implements Iterator<T> {
30 /**
31 * The enumeration to iterate over.
32 */
33 private final Enumeration<T> enumeration;
34
35 /**
36 * Creates a new iteratorwrapper instance for the specified
37 * Enumeration.
38 *
39 * @param enumer The Enumeration to wrap.
40 */
41 public EnumerationIterator(final Enumeration<T> enumer) {
42 enumeration = enumer;
43 }
44
45 @Override
46 public T next() {
47 return enumeration.nextElement();
48 }
49
50 @Override
51 public boolean hasNext() {
52 return enumeration.hasMoreElements();
53 }
54
55 @Override
56 public void remove() {
57 // not implemented
58 }
59 }