1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.tv.tuner.util; 17 18 import java.util.ArrayList; 19 import java.util.List; 20 21 /** Static utility methods pertaining to int primitives. (Referred Guava's Ints class) */ 22 public class Ints { 23 private Ints() {} 24 25 public static int[] toArray(List<Integer> integerList) { 26 int[] intArray = new int[integerList.size()]; 27 int i = 0; 28 for (Integer data : integerList) { 29 intArray[i++] = data; 30 } 31 return intArray; 32 } 33 34 public static List<Integer> asList(int[] intArray) { 35 List<Integer> integerList = new ArrayList<>(intArray.length); 36 for (int data : intArray) { 37 integerList.add(data); 38 } 39 return integerList; 40 } 41 } 42
