package io.ib67.sfcraft;

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;

public final class FsUtil {
    private FsUtil() {
    }

    public static void deleteRecursively(Path root) throws IOException {
        if (Files.notExists(root)) return;
        Files.walkFileTree(root, new SimpleFileVisitor<>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                Files.deleteIfExists(file);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                if (exc != null) throw exc;
                Files.deleteIfExists(dir);
                return FileVisitResult.CONTINUE;
            }
        });
    }
}