| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE |
| * file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file |
| * to You 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 org.apache.tuweni.bytes; |
| |
| /** |
| * An abstract {@link Bytes} value that provides implementations of {@link #equals(Object)}, {@link #hashCode()} and |
| * {@link #toString()}. |
| */ |
| public abstract class AbstractBytes implements Bytes { |
| |
| static final char[] HEX_CODE = "0123456789abcdef".toCharArray(); |
| |
| /** |
| * Compare this value and the provided one for equality. |
| * |
| * <p> |
| * Two {@link Bytes} values are equal is they have contain the exact same bytes. |
| * |
| * @param obj The object to test for equality with. |
| * @return {@code true} if this value and {@code obj} are equal. |
| */ |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if (!(obj instanceof Bytes)) { |
| return false; |
| } |
| |
| Bytes other = (Bytes) obj; |
| if (this.size() != other.size()) { |
| return false; |
| } |
| |
| for (int i = 0; i < size(); i++) { |
| if (this.get(i) != other.get(i)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 1; |
| for (int i = 0; i < size(); i++) { |
| result = 31 * result + get(i); |
| } |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return toHexString(); |
| } |
| } |