Remove permission for Posix File : File Attribute « JDK 7 « Java

1. Java
2. JDK 7
3. File Attribute

Remove permission for Posix File

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

public class Test {

  public static void main(String[] args) throws Exception {
    Path path = Paths.get("home/docs/users.txt");
    removePermission(path, PosixFilePermission.OWNER_EXECUTE);
  }

  private static void removePermission(Path path, PosixFilePermission permission)
      throws Exception {
    System.out.println("\nRemoving permission for " + path.getFileName());
    PosixFileAttributeView view = Files.getFileAttributeView(path,
        PosixFileAttributeView.class);

    PosixFileAttributes attributes = view.readAttributes();

    Set<PosixFilePermission> permissions = attributes.permissions();
    permissions.remove(permission);

    view.setPermissions(permissions);
    System.out.println();
  }

}

 

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