1 /* 2 * Copyright (C) 2022 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.server.uwb.util; 17 18 import androidx.annotation.NonNull; 19 import androidx.annotation.Nullable; 20 21 import java.util.Arrays; 22 23 // TODO: encode/decode the ObjectIdentifier per X.660. 24 /** 25 * ObjectIdentifier for ADF OID. 26 */ 27 public class ObjectIdentifier { 28 public final byte[] value; 29 ObjectIdentifier(@onNull byte[] value)30 private ObjectIdentifier(@NonNull byte[] value) { 31 this.value = value; 32 } 33 34 /** 35 * Convert the byte array to ObjectIdentifier. 36 */ fromBytes(@onNull byte[] bytes)37 public static ObjectIdentifier fromBytes(@NonNull byte[] bytes) { 38 return new ObjectIdentifier(bytes); 39 } 40 41 @Override equals(@ullable Object that)42 public boolean equals(@Nullable Object that) { 43 if (this == that) { 44 return true; 45 } 46 if (that == null || !(that instanceof ObjectIdentifier)) { 47 return false; 48 } 49 50 return Arrays.equals(value, ((ObjectIdentifier) that).value); 51 } 52 53 @Override hashCode()54 public int hashCode() { 55 return Arrays.hashCode(value); 56 } 57 } 58