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.ts.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 private boolean isTimeEqual = false; 33 private boolean isNameEqual = false; 34 private boolean isPathEqual = false; 35 FileInfo(File file)36 public FileInfo(File file) { 37 name = file.getName(); 38 path = file.getPath(); 39 lastModifiedTime = file.lastModified(); 40 } 41 42 /** 43 * 获取文件路径 44 * 45 * @return 文件路径 46 */ getPath()47 public String getPath() { 48 return path; 49 } 50 51 /** 52 * 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） 53 * 54 * @param object 待比较的文件对象 55 * @return 是否为相同文件 56 */ 57 @Override equals(Object object)58 public boolean equals(Object object) { 59 FileInfo info = (FileInfo) object; 60 if (lastModifiedTime == info.lastModifiedTime) { 61 isTimeEqual = true; 62 } 63 if (Objects.equals(name, info.name)) { 64 isNameEqual = true; 65 } 66 if (Objects.equals(path, info.path)) { 67 isPathEqual = true; 68 } 69 if (object == null || getClass() != object.getClass()) { 70 return false; 71 } 72 if (this == object) { 73 return true; 74 } 75 return isTimeEqual && isNameEqual && isPathEqual; 76 } 77 78 @Override hashCode()79 public int hashCode() { 80 return Objects.hash(name, path, lastModifiedTime); 81 } 82 } 83