# Uses of Interface
java.nio.file.OpenOption

Packages that use OpenOption
Package
Description
java.net.http
HTTP Client and WebSocket APIs
java.nio.channels
Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.file
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.spi
Service-provider classes for the `java.nio.file` package.

## Uses of OpenOption in java.net.http

Methods in java.net.http with parameters of type OpenOption
Modifier and Type
Method
Description
`static HttpResponse.BodyHandler<Path>`
HttpResponse.BodyHandlers.`ofFile(Path file, OpenOption... openOptions)`
Returns a `BodyHandler<Path>` that returns a `BodySubscriber``<Path>` obtained from `BodySubscribers.ofFile(Path,OpenOption...)`.
`static HttpResponse.BodySubscriber<Path>`
HttpResponse.BodySubscribers.`ofFile(Path file, OpenOption... openOptions)`
Returns a `BodySubscriber` which stores the response body in a file opened with the given options and name.
`static HttpResponse.BodyHandler<Path>`
HttpResponse.BodyHandlers.`ofFileDownload(Path directory, OpenOption... openOptions)`
Returns a `BodyHandler<Path>` that returns a `BodySubscriber`<`Path`> where the download directory is specified, but the filename is obtained from the `Content-Disposition` response header.

## Uses of OpenOption in java.nio.channels

Methods in java.nio.channels with parameters of type OpenOption
Modifier and Type
Method
Description
`static AsynchronousFileChannel`
AsynchronousFileChannel.`open(Path file, OpenOption... options)`
Opens or creates a file for reading and/or writing, returning an asynchronous file channel to access the file.
`static FileChannel`
FileChannel.`open(Path path, OpenOption... options)`
Opens or creates a file, returning a file channel to access the file.
Method parameters in java.nio.channels with type arguments of type OpenOption
Modifier and Type
Method
Description
`static AsynchronousFileChannel`
AsynchronousFileChannel.`open(Path file, Set<? extends OpenOption> options, ExecutorService executor, FileAttribute<?>... attrs)`
Opens or creates a file for reading and/or writing, returning an asynchronous file channel to access the file.
`static FileChannel`
FileChannel.`open(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)`
Opens or creates a file, returning a file channel to access the file.

## Uses of OpenOption in java.nio.file

Classes in java.nio.file that implement OpenOption
Modifier and Type
Class
Description
`enum`
`LinkOption`
Defines the options as to how symbolic links are handled.
`enum`
`StandardOpenOption`
Defines the standard open options.
Methods in java.nio.file with parameters of type OpenOption
Modifier and Type
Method
Description
`static BufferedWriter`
Files.`newBufferedWriter(Path path, Charset cs, OpenOption... options)`
Opens or creates a file for writing, returning a `BufferedWriter` that may be used to write text to the file in an efficient manner.
`static BufferedWriter`
Files.`newBufferedWriter(Path path, OpenOption... options)`
Opens or creates a file for writing, returning a `BufferedWriter` to write text to the file in an efficient manner.
`static SeekableByteChannel`
Files.`newByteChannel(Path path, OpenOption... options)`
Opens or creates a file, returning a seekable byte channel to access the file.
`static InputStream`
Files.`newInputStream(Path path, OpenOption... options)`
Opens a file, returning an input stream to read from the file.
`static OutputStream`
Files.`newOutputStream(Path path, OpenOption... options)`
Opens or creates a file, returning an output stream that may be used to write bytes to the file.
`static Path`
Files.`write(Path path, byte[] bytes, OpenOption... options)`
Writes bytes to a file.
`static Path`
Files.`write(Path path, Iterable<? extends CharSequence> lines, Charset cs, OpenOption... options)`
Write lines of text to a file.
`static Path`
Files.`write(Path path, Iterable<? extends CharSequence> lines, OpenOption... options)`
Write lines of text to a file.
`static Path`
Files.`writeString(Path path, CharSequence csq, Charset cs, OpenOption... options)`
Write a CharSequence to a file.
`static Path`
Files.`writeString(Path path, CharSequence csq, OpenOption... options)`
Write a CharSequence to a file.
Method parameters in java.nio.file with type arguments of type OpenOption
Modifier and Type
Method
Description
`static SeekableByteChannel`
Files.`newByteChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)`
Opens or creates a file, returning a seekable byte channel to access the file.
`SeekableByteChannel`
SecureDirectoryStream.`newByteChannel(T path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)`
Opens or creates a file in this directory, returning a seekable byte channel to access the file.

## Uses of OpenOption in java.nio.file.spi

Methods in java.nio.file.spi with parameters of type OpenOption
Modifier and Type
Method
Description
`InputStream`
FileSystemProvider.`newInputStream(Path path, OpenOption... options)`
Opens a file, returning an input stream to read from the file.
`OutputStream`
FileSystemProvider.`newOutputStream(Path path, OpenOption... options)`
Opens or creates a file, returning an output stream that may be used to write bytes to the file.
Method parameters in java.nio.file.spi with type arguments of type OpenOption
Modifier and Type
Method
Description
`AsynchronousFileChannel`
FileSystemProvider.`newAsynchronousFileChannel(Path path, Set<? extends OpenOption> options, ExecutorService executor, FileAttribute<?>... attrs)`
Opens or creates a file for reading and/or writing, returning an asynchronous file channel to access the file.
`abstract SeekableByteChannel`
FileSystemProvider.`newByteChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)`
Opens or creates a file, returning a seekable byte channel to access the file.
`FileChannel`
FileSystemProvider.`newFileChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)`
Opens or creates a file for reading and/or writing, returning a file channel to access the file.