2020-05-02 16:14:47 +00:00
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import '@ccms/nashorn'
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2019-09-07 04:23:15 +00:00
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/*global Java, base, module, exports, require, __FILE__*/
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const Path = Java.type("java.nio.file.Path");
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const JavaString = Java.type("java.lang.String");
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const File = Java.type("java.io.File");
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const Files = Java.type("java.nio.file.Files");
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const Collector = Java.type("java.util.stream.Collector")
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const separatorChar = File.separatorChar;
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const StandardCopyOption = Java.type("java.nio.file.StandardCopyOption");
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/**
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* 用文件分割符合并路径
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*/
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2020-01-16 09:27:24 +00:00
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export function concat(...args: string[]) {
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return args.join(separatorChar);
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2019-09-07 04:23:15 +00:00
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}
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/**
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* 获得文件
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* @constructor(file)
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* @constructor(dir,file)
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* @returns {*}
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*/
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export function file(...opts: any[]): any {
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2020-05-07 10:33:10 +00:00
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if (!opts[0]) { throw new Error("文件名称不得为 undefined 或者 null !") }
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2020-01-16 09:27:24 +00:00
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switch (opts.length) {
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2019-09-07 04:23:15 +00:00
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case 1:
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2020-01-16 09:27:24 +00:00
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var f = opts[0];
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2019-09-07 04:23:15 +00:00
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if (f instanceof File) {
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return f;
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}
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if (typeof f === "string") {
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return new File(f);
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}
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if (f instanceof Path) {
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return f.toFile();
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}
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break;
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default:
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2020-01-16 09:27:24 +00:00
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return new File(file(opts[0]), opts[1]);
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2019-09-07 04:23:15 +00:00
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}
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}
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/**
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* 创建目录
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* @param path
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*/
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2020-01-16 09:27:24 +00:00
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export function mkdirs(path: any) {
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2019-09-07 04:23:15 +00:00
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// noinspection JSUnresolvedVariable
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file(path).parentFile.mkdirs();
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}
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/**
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* 创建文件
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* @param file
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*/
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2020-01-16 09:27:24 +00:00
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export function create(path: any) {
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2019-09-07 04:23:15 +00:00
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var f = file(path);
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if (!f.exists()) {
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mkdirs(f);
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f.createNewFile();
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}
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}
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/**
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* 获得文件规范路径
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* @param file
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* @returns {*}
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*/
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2020-01-16 09:27:24 +00:00
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export function path(f: any) {
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2019-09-07 04:23:15 +00:00
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return file(f).canonicalPath;
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}
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/**
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* 复制文件
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* @param inputStream 输入流
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* @param target 目标文件
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* @param override 是否覆盖
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*/
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2020-01-16 09:27:24 +00:00
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export function copy(inputStream: any, target: any, override: any) {
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2019-09-07 04:23:15 +00:00
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Files.copy(inputStream, target.toPath(), StandardCopyOption[override ? 'REPLACE_EXISTING' : 'ATOMIC_MOVE']);
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}
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/**
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* 读取文件
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* @param path 文件路径
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*/
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export function read(path) {
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var file = file(path);
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if (!file.exists()) {
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console.warn('读取文件', file, '错误 文件不存在!');
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return;
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}
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// noinspection JSPrimitiveTypeWrapperUsage
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return new JavaString(Files.readAllBytes(file.toPath()), "UTF-8");
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}
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/**
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* 保存内容文件
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* @param path 路径
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* @param content 内容
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* @param override 是否覆盖
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*/
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export function save(path, content, override) {
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var file = file(path);
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if (file.parentFile) {
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file.parentFile.mkdirs();
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}
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Files.write(file.toPath(), new JavaString(content).getBytes("UTF-8"));
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}
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/**
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* 列出目录文件
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* @param path
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*/
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export function list(path) {
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var dir = file(path);
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// noinspection JSValidateTypes
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if (dir.isDirectory()) {
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return Files.list(dir.toPath());
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}
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console.debug('路径', path, '不是一个目录 返回空数组!');
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return [];
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}
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/**
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* 移动文件
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* @param src 原始目录
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* @param des 目标目录
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* @param override 是否覆盖
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*/
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export function move(src, des, override) {
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Files.move(file(src).toPath(), file(des).toPath(),
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override ? StandardCopyOption['REPLACE_EXISTING'] : StandardCopyOption['ATOMIC_MOVE'])
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}
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export function del(file) {
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file = file(file);
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if (!file.exists()) {
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return;
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}
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if (file.isDirectory()) {
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2020-05-07 10:33:10 +00:00
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Files.list(file.toPath()).collect(Collector.toList()).forEach(function (f) {
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2019-09-07 04:23:15 +00:00
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del(f);
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})
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}
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Files.delete(file.toPath());
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}
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export function exists(f) {
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return file(f).exists()
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}
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