I'm trying to create directory with public write permissions. To simplify things I want it to have 777
permissions. Here's my code:
private static FileAttribute<Set<PosixFilePermission>> DIR_PERMISSIONS;
static {
Set<PosixFilePermission> perms = new HashSet<>();
perms.add(PosixFilePermission.OWNER_WRITE);
perms.add(PosixFilePermission.OWNER_READ);
perms.add(PosixFilePermission.OWNER_EXECUTE);
perms.add(PosixFilePermission.GROUP_WRITE);
perms.add(PosixFilePermission.GROUP_READ);
perms.add(PosixFilePermission.GROUP_EXECUTE);
perms.add(PosixFilePermission.OTHERS_WRITE);
perms.add(PosixFilePermission.OTHERS_READ);
perms.add(PosixFilePermission.OTHERS_EXECUTE);
DIR_PERMISSIONS = PosixFilePermissions.asFileAttribute(perms);
}
private Path ensurePath(LocalDate localDate) throws IOException {
String year = String.valueOf(localDate.getYear());
String month = String.format("%02d", localDate.getMonthValue());
Path path = Paths.get(rootDirectory, year, month);
return Files.createDirectories(path, DIR_PERMISSIONS);
}
With rootDirectory=/tmp/data
this should create folders like /tmp/data/2016/01
, each with 777
permissions. Instead folders have 775
permissions (drwxrwxr-x.) so they are lacking public write. Why is it working this way? Maybe JVM needs special param to be able to set such permissions?
My system is Fedora 24, app is standard Spring Boot application, started by maven plugin.