Java Path Create nio clearAndCreate(Path dir)

Description

clear And Create

License

Open Source License

Declaration

public static void clearAndCreate(Path dir) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.nio.file.Files;
import java.nio.file.Path;

import java.nio.file.DirectoryNotEmptyException;

import java.io.IOException;

public class Main {
    public static void clearAndCreate(Path dir) throws IOException {
        //TODO:  check whether the Path is a dir
        if (Files.exists(dir)) {
            deleteDirectory(dir);/*  w  w w.j  av a2 s. c  o  m*/
        }
        Files.createDirectory(dir);
    }

    private static boolean deleteDirectory(Path dir) throws IOException {

        if (Files.isDirectory(dir)) {
            // let's get the children of the directory. Note, here there might be
            // files as well as other directories
            Path[] children = Files.list(dir).toArray(size -> new Path[size]);

            for (Path p : children) {
                try {
                    // if the directory that we try to delete is not empty,
                    // a DirectoryNotEmptyException is thrown, if that's the case,
                    // we return false
                    deleteDirectory(p);
                } catch (DirectoryNotEmptyException e) {
                    return false;
                }
            }
        }

        // either file or an empty directory
        System.out.println("removing file or directory : " + dir);

        Files.delete(dir);
        // yeah, we deleted the file
        return true;
    }
}

Related

1. createACL(Path root, Path p, GroupPrincipal readOnly, GroupPrincipal readWrite)
2. createAndGetOutputStream(String typename, String outputPath)
3. createBufferedReader(Path path)
4. createChecksums(final Path file, final Map functions)