Java Directory Delete nio deleteDirectorySelectively(Path path, Predicate predicate)

Description

delete Directory Selectively

License

Open Source License

Declaration

public static void deleteDirectorySelectively(Path path, Predicate<Path> predicate) throws IOException 

Method Source Code

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

import java.io.IOException;

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

import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;

import java.util.function.Predicate;

public class Main {
    public static void deleteDirectorySelectively(Path path, Predicate<Path> predicate) throws IOException {
        Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
            @Override/*from   www. j a v  a  2 s  .c  o  m*/
            public FileVisitResult visitFile(Path file, BasicFileAttributes attributes) throws IOException {
                if (predicate.test(file)) {
                    Files.delete(file);
                }

                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path directory, IOException ex) throws IOException {
                if (ex != null) {
                    return FileVisitResult.TERMINATE;
                }

                if (predicate.test(directory)) {
                    Files.delete(directory);
                }

                return FileVisitResult.CONTINUE;
            }
        });
    }
}

Related

1. deleteDirectory(Path path)
2. deleteDirectory(String path)
3. deleteDirectoryAndContents(String dir)
4. deleteDirectoryRecursively(Path dir)
5. deleteDirectoryRecursively(Path path)
6. deleteDirIfEmpty(Path dir)
7. deleteDirIfExists(Path dirPath)
8. deleteDirOrFile(Path p, boolean followSymLinkDir)
9. deleteDirReqursivelyIfExists(File dir)