Source Code : ACL Attribute

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ACL Attribute

import java.io.IOException;
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.AclEntry;
import java.nio.file.attribute.AclEntryFlag;
import java.nio.file.attribute.AclEntryPermission;
import java.nio.file.attribute.AclFileAttributeView;
import java.nio.file.attribute.GroupPrincipal;
import java.nio.file.attribute.UserPrincipal;
import java.nio.file.attribute.UserPrincipalLookupService;
import java.util.List;
import java.util.Set;

public class Test {

  public static void main(String[] args) throws Exception {
    Path path = Paths.get("C:/home/docs/users.txt");
    AclFileAttributeView view = Files.getFileAttributeView(path,
        AclFileAttributeView.class);
    List<AclEntry> aclEntryList = view.getAcl();
    for (AclEntry entry : aclEntryList) {
      System.out.println("User Principal Name: " + entry.principal().getName());
      System.out.println("ACL Entry Type: " + entry.type());
      displayEntryFlags(entry.flags());
      displayPermissions(entry.permissions());
      System.out.println();
    }
  }

  private static void displayPermissions(Set<AclEntryPermission> permissionSet) {
    if (permissionSet.isEmpty()) {
      System.out.println("No Permissions present");
    } else {
      System.out.println("Permissions");
      for (AclEntryPermission permission : permissionSet) {
        System.out.println(permission.name() + " ");
      }
    }
  }

  private static void displayEntryFlags(Set<AclEntryFlag> flagSet) {
    if (flagSet.isEmpty()) {
      System.out.println("No ACL Entry Flags present");
    } else {
      System.out.println("ACL Entry Flags");
      for (AclEntryFlag flag : flagSet) {
        System.out.println(flag.name() + " ");
      }
    }
  }
}

 

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