Interface PosixFileAttributes

All Superinterfaces:

BasicFileAttributes

public interface PosixFileAttributes
extends BasicFileAttributes

File attributes associated with files on file systems used by operating systems that implement the Portable Operating System Interface (POSIX) family of standards.

The POSIX attributes of a file are retrieved using a PosixFileAttributeView by invoking its readAttributes method.

Since:

1.7

Method Summary

Modifier and Type	Method	Description
GroupPrincipal	group()	Returns the group owner of the file.
UserPrincipal	owner()	Returns the owner of the file.
Set<PosixFilePermission>	permissions()	Returns the permissions of the file.

Methods declared in interface BasicFileAttributes

creationTime, fileKey, isDirectory, isOther, isRegularFile, isSymbolicLink, lastAccessTime, lastModifiedTime, size

Modifier and Type	Method	Description
FileTime	creationTime()	Returns the creation time.
Object	fileKey()	Returns an object that uniquely identifies the given file, or null if a file key is not available.
boolean	isDirectory()	Tells whether the file is a directory.
boolean	isOther()	Tells whether the file is something other than a regular file, directory, or symbolic link.
boolean	isRegularFile()	Tells whether the file is a regular file with opaque content.
boolean	isSymbolicLink()	Tells whether the file is a symbolic link.
FileTime	lastAccessTime()	Returns the time of last access.
FileTime	lastModifiedTime()	Returns the time of last modification.
long	size()	Returns the size of the file (in bytes).

Method Details

owner

UserPrincipal owner()

Returns the owner of the file.

Returns:

the file owner

See Also:

• FileOwnerAttributeView.setOwner(UserPrincipal)

group

GroupPrincipal group()

Returns the group owner of the file.

Returns:

the file group owner

See Also:

• PosixFileAttributeView.setGroup(GroupPrincipal)

permissions

Set<PosixFilePermission> permissions()

Returns the permissions of the file. The file permissions are returned as a set of PosixFilePermission elements. The returned set is a copy of the file permissions and is modifiable. This allows the result to be modified and passed to the setPermissions method to update the file's permissions.

Returns:

the file permissions

See Also:

• PosixFileAttributeView.setPermissions(Set)