static long copy(InputStream in, Path target, CopyOption... options)
Copies all bytes from an input stream to a file.
static long copy(Path source, OutputStream out)
Copies all bytes from a file to an output stream.
static Path copy(Path source, Path target, CopyOption... options)
Copy a file to a target file.
static Path createDirectories(Path dir, FileAttribute<?>... attrs)
Creates a directory by creating all nonexistent parent directories first.
static Path createDirectory(Path dir, FileAttribute<?>... attrs)
Creates a new directory.
static Path createFile(Path path, FileAttribute<?>... attrs)
Creates a new and empty file, failing if the file already exists.
static Path createLink(Path link, Path existing)
Creates a new link (directory entry) for an existing file (optional operation).
static Path createSymbolicLink(Path link, Path target, FileAttribute<?>... attrs)
Creates a symbolic link to a target (optional operation).
static Path createTempDirectory(Path dir, String prefix, FileAttribute<?>... attrs)
Creates a new directory in the specified directory, using the given prefix to generate its name.
static Path createTempDirectory(String prefix, FileAttribute<?>... attrs)
Creates a new directory in the default temporary-file directory, using the given prefix to generate its name.
static Path createTempFile(Path dir, String prefix, String suffix, FileAttribute<?>... attrs)
Creates a new empty file in the specified directory, using the given prefix and suffix strings to generate its name.
static Path createTempFile(String prefix, String suffix, FileAttribute<?>... attrs)
Creates an empty file in the default temporary-file directory, using the given prefix and suffix to generate its name.
static void delete(Path path)
Deletes a file.
static boolean deleteIfExists(Path path)
Deletes a file if it exists.
static boolean exists(Path path, LinkOption... options)
Tests whether a file exists.
static Stream<Path> find(Path start, int maxDepth, BiPredicate<Path,BasicFileAttributes> matcher, FileVisitOption... options)
Return a Stream that is lazily populated with Path by searching for files in a file tree rooted at a given starting file.
static Object getAttribute(Path path, String attribute, LinkOption... options)
Reads the value of a file attribute.
static <V extends FileAttributeView>
V getFileAttributeView(Path path, Class<V> type, LinkOption... options)
Returns a file attribute view of a given type.
static FileStore getFileStore(Path path)
Returns the
FileStore
representing the file store where a file is located.
static FileTime getLastModifiedTime(Path path, LinkOption... options)
Returns a file's last modified time.
static UserPrincipal getOwner(Path path, LinkOption... options)
Returns the owner of a file.
static Set<PosixFilePermission> getPosixFilePermissions(Path path, LinkOption... options)
Returns a file's POSIX file permissions.
static boolean isDirectory(Path path, LinkOption... options)
Tests whether a file is a directory.
static boolean isExecutable(Path path)
Tests whether a file is executable.
static boolean isHidden(Path path)
Tells whether or not a file is considered hidden.
static boolean isReadable(Path path)
Tests whether a file is readable.
static boolean isRegularFile(Path path, LinkOption... options)
Tests whether a file is a regular file with opaque content.
static boolean isSameFile(Path path, Path path2)
Tests if two paths locate the same file.
static boolean isSymbolicLink(Path path)
Tests whether a file is a symbolic link.
static boolean isWritable(Path path)
Tests whether a file is writable.
static Stream<String> lines(Path path)
Read all lines from a file as a Stream.
static Stream<String> lines(Path path, Charset cs)
Read all lines from a file as a Stream.
static Stream<Path> list(Path dir)
Return a lazily populated Stream, the elements of which are the entries in the directory.
static Path move(Path source, Path target, CopyOption... options)
Move or rename a file to a target file.
static BufferedReader newBufferedReader(Path path)
Opens a file for reading, returning a BufferedReader to read text from the file in an efficient manner.
static BufferedReader newBufferedReader(Path path, Charset cs)
Opens a file for reading, returning a BufferedReader that may be used to read text from the file in an efficient manner.
static BufferedWriter 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 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 newByteChannel(Path path, OpenOption... options)
Opens or creates a file, returning a seekable byte channel to access the file.
static SeekableByteChannel newByteChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
Opens or creates a file, returning a seekable byte channel to access the file.
static DirectoryStream<Path> newDirectoryStream(Path dir)
Opens a directory, returning a
DirectoryStream
to iterate over all entries in the directory.
static DirectoryStream<Path> newDirectoryStream(Path dir, DirectoryStream.Filter<? super Path> filter)
Opens a directory, returning a
DirectoryStream
to iterate over the entries in the directory.
static DirectoryStream<Path> newDirectoryStream(Path dir, String glob)
Opens a directory, returning a
DirectoryStream
to iterate over the entries in the directory.
static InputStream newInputStream(Path path, OpenOption... options)
Opens a file, returning an input stream to read from the file.
static OutputStream 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 boolean notExists(Path path, LinkOption... options)
Tests whether the file located by this path does not exist.
static String probeContentType(Path path)
Probes the content type of a file.
static byte[] readAllBytes(Path path)
Reads all the bytes from a file.
static List<String> readAllLines(Path path)
Read all lines from a file.
static List<String> readAllLines(Path path, Charset cs)
Read all lines from a file.
static <A extends BasicFileAttributes>
A readAttributes(Path path, Class<A> type, LinkOption... options)
Reads a file's attributes as a bulk operation.
static Map<String,Object> readAttributes(Path path, String attributes, LinkOption... options)
Reads a set of file attributes as a bulk operation.
static Path readSymbolicLink(Path link)
Reads the target of a symbolic link (optional operation).
static Path setAttribute(Path path, String attribute, Object value, LinkOption... options)
Sets the value of a file attribute.
static Path setLastModifiedTime(Path path, FileTime time)
Updates a file's last modified time attribute.
static Path setOwner(Path path, UserPrincipal owner)
Updates the file owner.
static Path setPosixFilePermissions(Path path, Set<PosixFilePermission> perms)
Sets a file's POSIX permissions.
static long size(Path path)
Returns the size of a file (in bytes).
static Stream<Path> walk(Path start, FileVisitOption... options)
Return a Stream that is lazily populated with Path by walking the file tree rooted at a given starting file.
static Stream<Path> walk(Path start, int maxDepth, FileVisitOption... options)
Return a Stream that is lazily populated with Path by walking the file tree rooted at a given starting file.
static Path walkFileTree(Path start, FileVisitor<? super Path> visitor)
Walks a file tree.
static Path walkFileTree(Path start, Set<FileVisitOption> options, int maxDepth, FileVisitor<? super Path> visitor)
Walks a file tree.
static Path write(Path path, byte[] bytes, OpenOption... options)
Writes bytes to a file.
static Path write(Path path, Iterable<? extends CharSequence> lines, Charset cs, OpenOption... options)
Write lines of text to a file.
static Path write(Path path, Iterable<? extends CharSequence> lines, OpenOption... options)
Write lines of text to a file.
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