|  | /* | 
|  | * Copyright (C) 2015 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | *      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | package android.security.keystore; | 
|  |  | 
|  | import java.util.Date; | 
|  |  | 
|  | /** | 
|  | * Assorted utility methods. | 
|  | * | 
|  | * @hide | 
|  | */ | 
|  | abstract class Utils { | 
|  | private Utils() {} | 
|  |  | 
|  | static Date cloneIfNotNull(Date value) { | 
|  | return (value != null) ? (Date) value.clone() : null; | 
|  | } | 
|  |  | 
|  | static byte[] cloneIfNotNull(byte[] value) { | 
|  | return (value != null) ? value.clone() : null; | 
|  | } | 
|  | } |