package com.utils;

import java.io.File;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.nio.file.StandardCopyOption;

import java.util.Comparator;

import java.util.List;

import java.util.Objects;

import java.util.logging.Logger;

import java.util.stream.Collectors;

import java.util.stream.Stream;

public class FileUtil {

public static boolean deleteDirectory(String path) {

Path dir = Paths.get(path);

Stream<Path> fileStream = null;

try {

fileStream = Files.walk(dir);

List<File> files = fileStream.sorted(Comparator.reverseOrder()).map(Path::toFile).collect(Collectors.toList());

for (File file : files) {

System.out.println(file.getAbsolutePath() + " isDir " + file.isDirectory());

if (!file.delete()) {

System.out.println("删除失败 " + file.getAbsolutePath());

return false;

}

}

} catch (Exception e) {

e.printStackTrace();

System.out.println("删除目录失败 " + path);

return false;

} finally {

if (Objects.nonNull(fileStream)) {

fileStream.close();

}

}

System.out.println("删除目录成功 " + path);

return true;

}

public static boolean copyDirectory(String sourceDir, String destDir) {

Path source = Paths.get(sourceDir);

Path dest = Paths.get(destDir);

if (!dest.toFile().exists()) {

if (!dest.toFile().mkdir()) {

System.out.println("无法创建目录 " + destDir);

System.out.println("复制目录失败 " + sourceDir + " -> " + destDir);

return false;

}

}

dest = dest.resolve(source.getParent().relativize(source));

System.out.println(dest);

Stream<Path> pathStream = null;

try {

pathStream = Files.walk(source);

List<Path> paths = pathStream.sorted().collect(Collectors.toList());

for (Path path : paths) {

System.out.println(path.toString() + " isDir " + path.toFile().isDirectory());

Path targetPath = dest.resolve(source.relativize(path));

System.out.println(path + " -> " + targetPath);

if (path.toFile().isDirectory()) {

if (!targetPath.toFile().exists()) {

Files.copy(path, dest.resolve(source.relativize(path)), StandardCopyOption.REPLACE_EXISTING);

}

} else {

Files.copy(path, dest.resolve(source.relativize(path)), StandardCopyOption.REPLACE_EXISTING);

}

}

} catch (Exception e) {

e.printStackTrace();

System.out.println("复制目录失败 " + sourceDir + " -> " + destDir);

return false;

} finally {

if (Objects.nonNull(pathStream)) {

pathStream.close();

}

}

System.out.println("复制目录成功 " + sourceDir + " -> " + destDir);

return true;

}

public static void main(String[] args) {

//deleteDirectory("D:\\nginx_path\\a");

copyDirectory("D:\\nginx_path\\a", "D:\\nginx_path\\parentDir2");

}

}