1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * https://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.commons.compress.utils;
21
22 import java.util.ArrayList;
23 import java.util.Iterator;
24
25 /**
26 * List utilities
27 *
28 * @since 1.13
29 */
30 public class Lists {
31
32 /**
33 * Creates a new {@link ArrayList}.
34 *
35 * @param <E> type of elements contained in new list
36 * @return a new {@link ArrayList}
37 */
38 public static <E> ArrayList<E> newArrayList() {
39 return new ArrayList<>();
40 }
41
42 /**
43 * Creates a new {@link ArrayList} filled with the contents of the given {@code iterator}.
44 *
45 * @param iterator the source iterator
46 * @param <E> type of elements contained in new list
47 * @return a new {@link ArrayList}
48 */
49 public static <E> ArrayList<E> newArrayList(final Iterator<? extends E> iterator) {
50 final ArrayList<E> list = newArrayList();
51 Iterators.addAll(list, iterator);
52 return list;
53 }
54
55 private Lists() {
56 // do not instantiate
57 }
58
59 }