Java Path Remove nio recursiveRemoveFolder(Path folderPath)

Description

recursive Remove Folder

License

Creative Commons License

Declaration

public static void recursiveRemoveFolder(Path folderPath) throws IOException 

Method Source Code

//package com.java2s;
/** Utility methods and constants for testing.
 * //from  www.  j a va  2 s  .  c  o  m
 * @author Iovka Boneva
 * This document is licensed under a Creative Commons Attribution 3.0 License: http://creativecommons.org/licenses/by/3.0/
 * 1 mars 2016
 */

import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.FileVisitor;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;

public class Main {
    public static final String TMP_DIR = System.getProperty("java.io.tmpdir") + "/";

    public static void recursiveRemoveFolder(Path folderPath) throws IOException {

        if (!folderPath.startsWith(Paths.get(TMP_DIR))) {
            throw new IllegalArgumentException("Refuse to delete a folder that is not in the system tmpdir");
        }

        Files.walkFileTree(folderPath, new FileVisitor<Path>() {

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                System.out.println("Deleting directory: " + dir);
                Files.delete(dir);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                System.out.println("Deleting file: " + file);
                Files.delete(file);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
                System.out.println(exc.toString());
                return FileVisitResult.CONTINUE;
            }
        });
    }
}

Related

1. appendOrRemove(LinkedList paths, DirectoryStream ds)
2. removeDirectory(Path directory)
3. removeDirectory(Path directory)
4. removeDirectory(String pathToDir)
5. removeDirectoryIfItIsEmpty(Path directoryToRemove)