Source Code : Using PosixFileAttributes

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Using PosixFileAttributes

import static java.nio.file.attribute.PosixFilePermission.GROUP_READ;
import static java.nio.file.attribute.PosixFilePermission.OWNER_READ;
import static java.nio.file.attribute.PosixFilePermission.OWNER_WRITE;

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.PosixFileAttributes;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.Set;

public class Test {

  public static void main(String[] args) throws Exception {

    Path profile = Paths.get("/user/Admin/.profile");

    PosixFileAttributes attrs = Files.readAttributes(profile,
        PosixFileAttributes.class);

    Set<PosixFilePermission> posixPermissions = attrs.permissions();
    posixPermissions.clear();

    String owner = attrs.owner().getName();
    String perms = PosixFilePermissions.toString(posixPermissions);
    System.out.format("%s %s%n", owner, perms);

    posixPermissions.add(OWNER_READ);
    posixPermissions.add(GROUP_READ);
    posixPermissions.add(OWNER_READ);
    posixPermissions.add(OWNER_WRITE);
    Files.setPosixFilePermissions(profile, posixPermissions);

  }
}

 

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