Get the UserPrincipalLookupService : File Attribute « JDK 7 « Java

1. Java
2. JDK 7
3. File Attribute

Get the UserPrincipalLookupService

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,
        FileOwnerAttributeView.class);
    UserPrincipal userPrincipal = view.getOwner();
    
    UserPrincipalLookupService lookupService = FileSystems.getDefault().getUserPrincipalLookupService();
    userPrincipal = lookupService.lookupPrincipalByName("users");
    view.setOwner(userPrincipal);
    System.out.println("UserPrincipal set: " + userPrincipal.getName());

  }
}

 

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