1 /* 2 * Copyright (C) 2021 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 com.android.server.vcn.util; 18 19 import android.annotation.Nullable; 20 import android.os.ParcelUuid; 21 22 import com.android.internal.util.HexDump; 23 24 /** @hide */ 25 public class LogUtils { 26 /** 27 * Returns the hash of the subscription group in hexadecimal format. 28 * 29 * @return the hexadecimal encoded string if uuid was non-null, else {@code null} 30 */ 31 @Nullable getHashedSubscriptionGroup(@ullable ParcelUuid uuid)32 public static String getHashedSubscriptionGroup(@Nullable ParcelUuid uuid) { 33 if (uuid == null) { 34 return null; 35 } 36 37 return HexDump.toHexString(uuid.hashCode()); 38 } 39 } 40