Added in API level 26

OpenOption

interface OpenOption

java.nio.file.OpenOption

Known Direct Subclasses LinkOption, StandardOpenOption LinkOption Defines the options as to how symbolic links are handled. StandardOpenOption Defines the standard open options.

Known Indirect Subclasses LinkOption.NOFOLLOW_LINKS, StandardOpenOption.APPEND, StandardOpenOption.CREATE, StandardOpenOption.CREATE_NEW, StandardOpenOption.DELETE_ON_CLOSE, StandardOpenOption.DSYNC, StandardOpenOption.READ, StandardOpenOption.SPARSE, StandardOpenOption.SYNC, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE LinkOption.NOFOLLOW_LINKS Do not follow symbolic links. StandardOpenOption.APPEND If the file is opened for WRITE access then bytes will be written to the end of the file rather than the beginning. StandardOpenOption.CREATE Create a new file if it does not exist. StandardOpenOption.CREATE_NEW Create a new file, failing if the file already exists. StandardOpenOption.DELETE_ON_CLOSE Delete on close. StandardOpenOption.DSYNC Requires that every update to the file's content be written synchronously to the underlying storage device. StandardOpenOption.READ Open for read access. StandardOpenOption.SPARSE Sparse file. StandardOpenOption.SYNC Requires that every update to the file's content or metadata be written synchronously to the underlying storage device. StandardOpenOption.TRUNCATE_EXISTING If the file already exists and it is opened for WRITE access, then its length is truncated to 0. StandardOpenOption.WRITE Open for write access.

An object that configures how to open or create a file.

Objects of this type are used by methods such as newOutputStream, java.nio.file.Files#newByteChannel, java.nio.channels.FileChannel#open, and java.nio.channels.AsynchronousFileChannel#open when opening or creating a file.

The StandardOpenOption enumeration type defines the standard options.

Summary