AclEntryPermission (Java Platform SE 8 )
Keywords: java.nio.file.attribute.AclEntryPermission class
Date: 2026-08-19

compact1, compact2, compact3
java.nio.file.attribute

## Enum AclEntryPermission

- java.lang.Object
- - java.lang.Enum<AclEntryPermission>
  - - java.nio.file.attribute.AclEntryPermission

- All Implemented Interfaces:
    Serializable, Comparable<AclEntryPermission>

      public enum AclEntryPermission
      extends Enum<AclEntryPermission>

  Defines the permissions for use with the permissions component of an ACL `entry`.
  Since:
    1.7

- - ### Enum Constant Summary

    Enum Constants
    Enum Constant and Description
    `APPEND_DATA` Permission to append data to a file.
    `DELETE` Permission to delete the file.
    `DELETE_CHILD` Permission to delete a file or directory within a directory.
    `EXECUTE` Permission to execute a file.
    `READ_ACL` Permission to read the ACL attribute.
    `READ_ATTRIBUTES` The ability to read (non-acl) file attributes.
    `READ_DATA` Permission to read the data of the file.
    `READ_NAMED_ATTRS` Permission to read the named attributes of a file.
    `SYNCHRONIZE` Permission to access file locally at the server with synchronous reads and writes.
    `WRITE_ACL` Permission to write the ACL attribute.
    `WRITE_ATTRIBUTES` The ability to write (non-acl) file attributes.
    `WRITE_DATA` Permission to modify the file's data.
    `WRITE_NAMED_ATTRS` Permission to write the named attributes of a file.
    `WRITE_OWNER` Permission to change the owner.

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static AclEntryPermission` | `ADD_FILE` Permission to add a new file to a directory (equal to `WRITE_DATA`)
    `static AclEntryPermission` | `ADD_SUBDIRECTORY` Permission to create a subdirectory to a directory (equal to `APPEND_DATA`)
    `static AclEntryPermission` | `LIST_DIRECTORY` Permission to list the entries of a directory (equal to `READ_DATA`)

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static AclEntryPermission` | `valueOf(String name)` Returns the enum constant of this type with the specified name.
    `static AclEntryPermission[]` | `values()` Returns an array containing the constants of this enum type, in the order they are declared.

    - ### Methods inherited from class java.lang.Enum

      `clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf`

    - ### Methods inherited from class java.lang.Object

      `getClass, notify, notifyAll, wait, wait, wait`

- - ### Enum Constant Detail

    - #### READ_DATA

          public static final AclEntryPermission READ_DATA

      Permission to read the data of the file.

    - #### WRITE_DATA

          public static final AclEntryPermission WRITE_DATA

      Permission to modify the file's data.

    - #### APPEND_DATA

          public static final AclEntryPermission APPEND_DATA

      Permission to append data to a file.

    - #### READ_NAMED_ATTRS

          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.

    - #### WRITE_NAMED_ATTRS

          public static final AclEntryPermission WRITE_NAMED_ATTRS

      Permission to write 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.

    - #### EXECUTE

          public static final AclEntryPermission EXECUTE

      Permission to execute a file.

    - #### DELETE_CHILD

          public static final AclEntryPermission DELETE_CHILD

      Permission to delete a file or directory within a directory.

    - #### READ_ATTRIBUTES

          public static final AclEntryPermission READ_ATTRIBUTES

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

    - #### WRITE_ATTRIBUTES

          public static final AclEntryPermission WRITE_ATTRIBUTES

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

    - #### DELETE

          public static final AclEntryPermission DELETE

      Permission to delete the file.

    - #### READ_ACL

          public static final AclEntryPermission READ_ACL

      Permission to read the ACL attribute.

    - #### WRITE_ACL

          public static final AclEntryPermission WRITE_ACL

      Permission to write the ACL attribute.

    - #### WRITE_OWNER

          public static final AclEntryPermission WRITE_OWNER

      Permission to change the owner.

    - #### SYNCHRONIZE

          public static final AclEntryPermission SYNCHRONIZE

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

  - ### Field Detail

    - #### LIST_DIRECTORY

          public static final AclEntryPermission LIST_DIRECTORY

      Permission to list the entries of a directory (equal to `READ_DATA`)

    - #### ADD_FILE

          public static final AclEntryPermission ADD_FILE

      Permission to add a new file to a directory (equal to `WRITE_DATA`)

    - #### ADD_SUBDIRECTORY

          public static final AclEntryPermission ADD_SUBDIRECTORY

      Permission to create a subdirectory to a directory (equal to `APPEND_DATA`)

  - ### Method Detail

    - #### values

          public static AclEntryPermission[] values()

      Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

          for (AclEntryPermission c : AclEntryPermission.values())
              System.out.println(c);

      Returns:
        an array containing the constants of this enum type, in the order they are declared

    - #### valueOf

          public static AclEntryPermission valueOf(String name)

      Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
      Parameters:
        `name` - the name of the enum constant to be returned.
      Returns:
        the enum constant with the specified name
      Throws:
        `IllegalArgumentException` - if this enum type has no constant with the specified name
        `NullPointerException` - if the argument is null

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