1 /*
2  * Copyright (C) 2015 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 
17 package android.security.keystore;
18 
19 import java.util.Date;
20 
21 /**
22  * Assorted utility methods.
23  *
24  * @hide
25  */
26 abstract class Utils {
Utils()27     private Utils() {}
28 
cloneIfNotNull(Date value)29     static Date cloneIfNotNull(Date value) {
30         return (value != null) ? (Date) value.clone() : null;
31     }
32 
cloneIfNotNull(byte[] value)33     static byte[] cloneIfNotNull(byte[] value) {
34         return (value != null) ? value.clone() : null;
35     }
36 
cloneIfNotNull(int[] value)37     static int[] cloneIfNotNull(int[] value) {
38         return (value != null) ? value.clone() : null;
39     }
40 }
41