Java Directory Delete nio deleteDirectory(Path dirToDelete)

Description

delete Directory

License

Open Source License

Declaration

public static void deleteDirectory(Path dirToDelete) throws IOException 

Method Source Code

//package com.java2s;
/*/* w  ww.  j a va2  s  .c  o  m*/
 * Copyright (C) 2014 Shashank Tulsyan
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileVisitResult;
import static java.nio.file.FileVisitResult.CONTINUE;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;

public class Main {
    public static void deleteDirectory(Path dirToDelete) throws IOException {
        if (!Files.isDirectory(dirToDelete))
            throw new IllegalArgumentException("the path is not a directory");
        Files.walkFileTree(dirToDelete, new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                System.out.println("Deleting file: " + file);
                Files.delete(file);
                return CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                System.out.println("Deleting dir: " + dir);
                if (exc == null) {
                    try {
                        Files.delete(dir);
                    } catch (Exception a) {
                        listDirectory(dir);
                    }
                    return CONTINUE;
                } else {
                    throw exc;
                }
            }

            private int listDirectory(Path dir) {
                int cnt = 0;
                try {
                    System.out.println("+++dir+++");
                    try (DirectoryStream<Path> ds = Files.newDirectoryStream(dir)) {
                        for (Path path : ds) {
                            System.out.println(path);
                            cnt++;
                        }
                    }
                    System.out.println("---dir---");
                } catch (Exception a) {
                }
                return cnt;
            }
        });
    }
}

Related

1. deleteDirectory(Path dir)
2. deleteDirectory(Path directory)
3. deleteDirectory(Path directory)
4. deleteDirectory(Path directory)
5. deleteDirectory(Path directory)
6. deleteDirectory(Path path)
7. deleteDirectory(String path)
8. deleteDirectoryAndContents(String dir)
9. deleteDirectoryRecursively(Path dir)