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 * https://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 import java.util.Enumeration;
21 import java.util.Iterator;
22
23 /**
24 * An Iterator wrapper for an Enumeration.
25 * @param <T> the type of object this iterator returns
26 * @since 1.0
27 */
28 public class EnumerationIterator<T> implements Iterator<T> {
29 /**
30 * The enumeration to iterate over.
31 */
32 private final Enumeration<T> enumeration;
33
34 /**
35 * Creates a new iteratorwrapper instance for the specified
36 * Enumeration.
37 *
38 * @param enumer The Enumeration to wrap.
39 */
40 public EnumerationIterator(final Enumeration<T> enumer) {
41 enumeration = enumer;
42 }
43
44 @Override
45 public boolean hasNext() {
46 return enumeration.hasMoreElements();
47 }
48
49 @Override
50 public T next() {
51 return enumeration.nextElement();
52 }
53 }