DosFileAttributes

AI-generated Key Takeaways

• DosFileAttributes provides access to legacy "DOS" attributes of files, such as archive, hidden, read-only, and system properties.

• It extends BasicFileAttributes, inheriting methods for accessing standard file attributes like creation time, last modified time, and file size.

• You can retrieve a DosFileAttributes instance using Files.readAttributes(file, DosFileAttributes.class).

• These attributes can be used for various purposes like file management, backup operations, and understanding file visibility.

public interface DosFileAttributes implements BasicFileAttributes

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

Usage Example:

    Path file = ...
    DosFileAttributes attrs = Files.readAttributes(file, DosFileAttributes.class);
 

Public Method Summary

abstract boolean	isArchive() Returns the value of the archive attribute.
abstract boolean	isHidden() Returns the value of the hidden attribute.
abstract boolean	isReadOnly() Returns the value of the read-only attribute.
abstract boolean	isSystem() Returns the value of the system attribute.

Inherited Method Summary

From interface java.nio.file.attribute.BasicFileAttributes

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

Public Methods

public abstract boolean isArchive ()

Returns the value of the archive attribute.

This attribute is typically used by backup programs.

Returns

• the value of the archive attribute

public abstract boolean isHidden ()

Returns the value of the hidden attribute.

This attribute is often used to indicate if the file is visible to users.

Returns

• the value of the hidden attribute

public abstract boolean isReadOnly ()

Returns the value of the read-only attribute.

This attribute is often used as a simple access control mechanism to prevent files from being deleted or updated. Whether the file system or platform does any enforcement to prevent read-only files from being updated is implementation specific.

Returns

• the value of the read-only attribute

public abstract boolean isSystem ()

Returns the value of the system attribute.

This attribute is often used to indicate that the file is a component of the operating system.

Returns

• the value of the system attribute