1 /* 2 * Copyright (C) 2011 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 org.conscrypt; 18 19 import java.util.Arrays; 20 21 /** 22 * Byte array wrapper for hashtable use. Implements equals() and hashCode(). 23 */ 24 final class ByteArray { 25 private final byte[] bytes; 26 private final int hashCode; 27 ByteArray(byte[] bytes)28 ByteArray(byte[] bytes) { 29 this.bytes = bytes; 30 this.hashCode = Arrays.hashCode(bytes); 31 } 32 33 @Override hashCode()34 public int hashCode() { 35 return hashCode; 36 } 37 38 @Override equals(Object o)39 public boolean equals(Object o) { 40 if (!(o instanceof ByteArray)) { 41 return false; 42 } 43 ByteArray lhs = (ByteArray) o; 44 if (hashCode != lhs.hashCode) { 45 return false; 46 } 47 return Arrays.equals(bytes, lhs.bytes); 48 } 49 } 50