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theboshy
Asked: 2020-10-05 14:26:29 +0800 CST 2020-10-05 14:26:29 +0800 CST

Create hidden java folder?

  • 772

I have a method that receives a path to create a file in it and of course the directory I do it this way.

    public static File createTempFile(String exteString, String nombre, String path) throws IOException {
        try {
            File file = new File(path + "\\" + nombre + exteString);
//--
            Path toCreatePath = Paths.get(file.toURI());
            if (!Files.exists(toCreatePath)) {
                Files.createDirectories(toCreatePath);
            }
            return file;
        } catch (IOException e) {
            System.out.println(ReportLog.getErrorBuilder(new Object(), e));
        }
        return null;
    }

My problem is that I need to somehow hide this directory , that is, it cannot be seen by the user , since it will contain secret information.

(not explicitly confidential information only non-redundant information for the user)

I think it is possible since the class Filescontains the method isHiddenbut I still don't know how to tell the directory that it is hidden.

java

3 Answers

  1. Best Answer

    I'll give you an example java.niothat I found on this site :

    package com.resolvethis.nio;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.Path;
import java.nio.file.Paths;

public class MakeFileHidden {

    public static void main(String[] args) {
        try {
            Path path = Paths.get("C:\\resolvethis", "testfile.txt");
            Boolean hidden = (Boolean) Files.getAttribute(path, "dos:hidden", LinkOption.NOFOLLOW_LINKS);
            if (hidden != null && !hidden) {
                Files.setAttribute(path, "dos:hidden", Boolean.TRUE, LinkOption.NOFOLLOW_LINKS);
                System.out.println("File is now hidden!");
            }
        } catch (IOException ex) {
            System.err.println("Things went wrong: " + ex.getMessage());
            ex.printStackTrace();
        }
    }
}

    You will have to be careful if what you want is multiplatform.

    • 2

  2. That's right, you can indicate the attribute :hiddenusing the setAttribute() method in the documentation there is the example for this, applied to your function it would only be

    public static File createTempFile(String exteString, String nombre, String path) throws IOException {
        try {
            File file = new File(path + "\\" + nombre + exteString);
            Path toCreatePath = Paths.get(file.toURI());
            if (!Files.exists(toCreatePath)) {
                Files.createDirectories(toCreatePath);
                // Añadimos el atributo a la carpeta
                Files.setAttribute(file.toPath(), "dos:hidden", true);
            }
            return file;
        } catch (IOException e) {

        }
        return null;
    }
    • 1

  3. isHidden() only returns a boolean value to define if your attribute is present

    Another option besides the one commented by @Dev.Joel (Java 7+):

     Files.setAttribute(file.toPath(), "dos:hidden", true);

    is by using the attrib command using Runtime.exec()(Java 6-):

    Process p = Runtime.getRuntime().exec("attrib +h " + rutaDirectorio);
p.waitFor();
    • 1