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Showing content from https://docs.oracle.com/javase/7/docs/api/java/nio/file/attribute/package-summary.html below:

java.nio.file.attribute (Java Platform SE 7 )

• Interface Summary  Interface Description AclFileAttributeView

  A file attribute view that supports reading or updating a file's Access Control Lists (ACL) or file owner attributes.

  AttributeView

  An object that provides a read-only or updatable view of non-opaque values associated with an object in a filesystem.

  BasicFileAttributes

  Basic attributes associated with a file in a file system.

  BasicFileAttributeView

  A file attribute view that provides a view of a basic set of file attributes common to many file systems.

  DosFileAttributes

  File attributes associated with a file in a file system that supports legacy "DOS" attributes.

  DosFileAttributeView

  A file attribute view that provides a view of the legacy "DOS" file attributes.

  FileAttribute<T>

  An object that encapsulates the value of a file attribute that can be set atomically when creating a new file or directory by invoking the

  createFile

  or

  createDirectory

  methods.

  FileAttributeView

  An attribute view that is a read-only or updatable view of non-opaque values associated with a file in a filesystem.

  FileOwnerAttributeView

  A file attribute view that supports reading or updating the owner of a file.

  FileStoreAttributeView

  An attribute view that is a read-only or updatable view of the attributes of a

  FileStore

  .

  GroupPrincipal

  A UserPrincipal representing a group identity, used to determine access rights to objects in a file system.

  PosixFileAttributes

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

  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.

  UserDefinedFileAttributeView

  A file attribute view that provides a view of a file's user-defined attributes, sometimes known as extended attributes.

  UserPrincipal

  A Principal representing an identity used to determine access rights to objects in a file system.

Interfaces and classes providing access to file and file system attributes.

An attribute view provides a read-only or updatable view of the non-opaque values, or metadata, associated with objects in a file system. The FileAttributeView interface is extended by several other interfaces that that views to specific sets of file attributes. FileAttributeViews are selected by invoking the Files.getFileAttributeView(java.nio.file.Path, java.lang.Class<V>, java.nio.file.LinkOption...) method with a type-token to identify the required view. Views can also be identified by name. The FileStoreAttributeView interface provides access to file store attributes. A FileStoreAttributeView of a given type is obtained by invoking the FileStore.getFileStoreAttributeView(java.lang.Class<V>) method.

The BasicFileAttributeView class defines methods to read and update a basic set of file attributes that are common to many file systems.

The PosixFileAttributeView interface extends BasicFileAttributeView by defining methods to access the file attributes commonly used by file systems and operating systems that implement the Portable Operating System Interface (POSIX) family of standards.

The DosFileAttributeView class extends BasicFileAttributeView by defining methods to access the legacy "DOS" file attributes supported on file systems such as File Allocation Tabl (FAT), commonly used in consumer devices.

The AclFileAttributeView class defines methods to read and write the Access Control List (ACL) file attribute. The ACL model used by this file attribute view is based on the model defined by RFC 3530: Network File System (NFS) version 4 Protocol.

In addition to attribute views, this package also defines classes and interfaces that are used when accessing attributes:

• The UserPrincipal and GroupPrincipal interfaces represent an identity or group identity.
• The UserPrincipalLookupService interface defines methods to lookup user or group principals.
• The FileAttribute interface represents the value of an attribute for cases where the attribute value is required to be set atomically when creating an object in the file system.

Unless otherwise noted, passing a null argument to a constructor or method in any class or interface in this package will cause a NullPointerException to be thrown.

Since:

1.7

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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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