AclEntryPermission

AI-generated Key Takeaways

AclEntryPermission defines permissions used within Access Control List (ACL) entries to control file and directory access.
It includes standard file system permissions like reading, writing, executing, and deleting, along with permissions for managing ACLs and file attributes.
Some permissions have aliases, for instance, ADD_FILE is equivalent to WRITE_DATA, and ADD_SUBDIRECTORY is the same as APPEND_DATA.
Permissions are implemented as an enum, allowing for easy and type-safe usage within applications.
AclEntryPermission is based on the Network File System (NFS) version 4 Protocol, adhering to its standards for file access control.

public final enum AclEntryPermission extends Enum<AclEntryPermission>

Defines the permissions for use with the permissions component of an ACL entry.

Field Summary

public static final AclEntryPermission	ADD_FILE	Permission to add a new file to a directory (equal to `WRITE_DATA`)
public static final AclEntryPermission	ADD_SUBDIRECTORY	Permission to create a subdirectory to a directory (equal to `APPEND_DATA`)
public static final AclEntryPermission	LIST_DIRECTORY	Permission to list the entries of a directory (equal to `READ_DATA`)

Inherited Method Summary

From class java.lang.Enum

final Object	clone() Throws CloneNotSupportedException.
final int	compareTo(AclEntryPermission o) Compares this enum with the specified object for order.
final boolean	equals(Object other) Returns true if the specified object is equal to this enum constant.
final void	finalize() enum classes cannot have finalize methods.
final Class<AclEntryPermission>	getDeclaringClass() Returns the Class object corresponding to this enum constant's enum type.
final int	hashCode() Returns a hash code for this enum constant.
final String	name() Returns the name of this enum constant, exactly as declared in its enum declaration.
final int	ordinal() Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero).
String	toString() Returns the name of this enum constant, as contained in the declaration.
static <T extends Enum<T>> T	valueOf(Class<T> enumType, String name) Returns the enum constant of the specified enum type with the specified name.

From class java.lang.Object

Object	clone() Creates and returns a copy of this `Object`.
boolean	equals(Object obj) Compares this instance with the specified object and indicates if they are equal.
void	finalize() Invoked when the garbage collector has detected that this instance is no longer reachable.
final Class<?>	getClass() Returns the unique instance of `Class` that represents this object's class.
int	hashCode() Returns an integer hash code for this object.
final void	notify() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
final void	notifyAll() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
String	toString() Returns a string containing a concise, human-readable description of this object.
final void	wait(long timeout, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait(long timeout) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object.

From interface java.lang.Comparable

abstract int

compareTo(AclEntryPermission o)

Compares this object with the specified object for order.

Enum Values

public static final AclEntryPermission APPEND_DATA

Permission to append data to a file.

public static final AclEntryPermission DELETE

Permission to delete the file.

public static final AclEntryPermission DELETE_CHILD

Permission to delete a file or directory within a directory.

public static final AclEntryPermission EXECUTE

Permission to execute a file.

public static final AclEntryPermission READ_ACL

Permission to read the ACL attribute.

public static final AclEntryPermission READ_ATTRIBUTES

The ability to read (non-acl) file attributes.

public static final AclEntryPermission READ_DATA

Permission to read the data of the file.

public static final AclEntryPermission READ_NAMED_ATTRS

Permission to read the named attributes of a file.

RFC 3530: Network File System (NFS) version 4 Protocol defines named attributes as opaque files associated with a file in the file system.

public static final AclEntryPermission SYNCHRONIZE

Permission to access file locally at the server with synchronous reads and writes.

public static final AclEntryPermission WRITE_ACL

Permission to write the ACL attribute.

public static final AclEntryPermission WRITE_ATTRIBUTES

The ability to write (non-acl) file attributes.

public static final AclEntryPermission WRITE_DATA

Permission to modify the file's data.

public static final AclEntryPermission WRITE_NAMED_ATTRS

Permission to write the named attributes of a file.