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 {
Ints()23     private Ints() {}
24 
toArray(List<Integer> integerList)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 
asList(int[] intArray)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