1 /* 2 * Copyright (c) 2022 Shenzhen Kaihong Digital Industry Development Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 package com.sk.utils; 16 17 import java.io.File; 18 import java.util.Objects; 19 20 /** 21 * 文件信息类，提供自定义的文件对象比较方法 22 * 23 * @author: zhangzhicheng 24 * @see: generator dialog 25 * @version: v1.0.0 26 * @since 2023-01-18 27 */ 28 public class FileInfo { 29 private String name; 30 private String path; 31 private long lastModifiedTime; 32 FileInfo(File file)33 public FileInfo(File file) { 34 name = file.getName(); 35 path = file.getPath(); 36 lastModifiedTime = file.lastModified(); 37 } 38 39 /** 40 * 获取文件路径 41 * 42 * @return 文件路径 43 */ getPath()44 public String getPath() { 45 return path; 46 } 47 48 /** 49 * 重写比较方法，文件名和最后修改时间都相同才认为相等（被修改覆盖过的文件也认为是新文件） 50 * 51 * @param obj 待比较的文件对象 52 * @return 是否为相同文件 53 */ 54 @Override equals(Object obj)55 public boolean equals(Object obj) { 56 if (this == obj) { 57 return true; 58 } 59 if (obj == null || getClass() != obj.getClass()) { 60 return false; 61 } 62 FileInfo fileInfo = (FileInfo) obj; 63 return lastModifiedTime == fileInfo.lastModifiedTime && Objects.equals(name, fileInfo.name) 64 && Objects.equals(path, fileInfo.path); 65 } 66 67 @Override hashCode()68 public int hashCode() { 69 return Objects.hash(name, path, lastModifiedTime); 70 } 71 } 72