Using setOwner : File Attribute « JDK 7 « Java

Using setOwner

import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.FileOwnerAttributeView;
import java.nio.file.attribute.UserPrincipal;
import java.nio.file.attribute.UserPrincipalLookupService;

public class Test {

  public static void main(String[] args) throws Exception {
    Path path = Paths.get("C:/home/docs/users.txt");
    FileOwnerAttributeView view = Files.getFileAttributeView(path,
    UserPrincipalLookupService lookupService = FileSystems.getDefault()
    UserPrincipal userPrincipal = lookupService.lookupPrincipalByName("mary");

    Files.setOwner(path, userPrincipal);
    System.out.println("Owner: " + view.getOwner().getName());



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