FileOwnerAttributeView

public interface FileOwnerAttributeView
implements FileAttributeView

java.nio.file.attribute.FileOwnerAttributeView

Known indirect subclasses

AclFileAttributeView, PosixFileAttributeView

AclFileAttributeView	A file attribute view that supports reading or updating a file's Access Control Lists (ACL) or file owner attributes.
PosixFileAttributeView	A file attribute view that provides a view of the file attributes commonly associated with files on file systems used by operating systems that implement the Portable Operating System Interface (POSIX) family of standards.

A file attribute view that supports reading or updating the owner of a file. This file attribute view is intended for file system implementations that support a file attribute that represents an identity that is the owner of the file. Often the owner of a file is the identity of the entity that created the file.

The getOwner or setOwner methods may be used to read or update the owner of the file.

The getAttribute and setAttribute methods may also be used to read or update the owner. In that case, the owner attribute is identified by the name "owner", and the value of the attribute is a UserPrincipal.

Summary

Public methods
`abstract UserPrincipal`	`getOwner()` Read the file owner.
`abstract String`	`name()` Returns the name of the attribute view.
`abstract void`	`setOwner(UserPrincipal owner)` Updates the file owner.

Inherited methods

From interface


        
          java.nio.file.attribute.AttributeView


        abstract
        
        
        
        
        String


      name()

Returns the name of the attribute view.

Public methods

getOwner

Added in API level 26

public abstract UserPrincipal getOwner ()

Read the file owner.

It is implementation specific if the file owner can be a group.

Returns
`UserPrincipal`	the file owner

Throws
`IOException`	if an I/O error occurs
`SecurityException`	In the case of the default provider, a security manager is installed, and it denies `RuntimePermission("accessUserInformation")` or its `checkRead` method denies read access to the file.

name

Added in API level 26

public abstract String name ()

Returns the name of the attribute view. Attribute views of this type have the name "owner".

Returns
`String`	the name of the attribute view

setOwner

Added in API level 26

public abstract void setOwner (UserPrincipal owner)

Updates the file owner.

It is implementation specific if the file owner can be a group. To ensure consistent and correct behavior across platforms it is recommended that this method should only be used to set the file owner to a user principal that is not a group.

Parameters
`owner`	`UserPrincipal`: the new file owner

Throws
`IOException`	if an I/O error occurs, or the `owner` parameter is a group and this implementation does not support setting the owner to a group
`SecurityException`	In the case of the default provider, a security manager is installed, and it denies `RuntimePermission("accessUserInformation")` or its `checkWrite` method denies write access to the file.