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 * http://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 }