Interface IOUtils

public interface IOUtils

Field Summary

Fields

Modifier and Type	Field	Description
static final Set<StandardOpenOption>	APPEND_OPEN_OPTIONS
static final byte[]	EMPTY_BYTE_ARRAY
static final UUID	NIL_UUID
static final Set<StandardOpenOption>	WRITE_OPEN_OPTIONS

Method Summary

Static Methods

Modifier and Type	Method	Description
static ByteBuffer	allocateTempBuffer(int maxBufferSize, long fileSize)
static ByteBuffer	allocateTempBuffer(Path file)
static void	appendBytes(Path path, ByteBuffer buf, long remainingBytes)
static void	clearDirectory(Path dir)
static void	deleteRecursively(Path dir)
static byte[]	digest(String algorithm, Path file, long size, @Nullable LongConsumer callback)
static String	getAttribute(Path file, String attribute)
static @Nullable ByteBuffer	getAttributeBuffer(Path file, String attribute)
static @Nullable byte[]	getAttributeBytes(Path file, String attribute)
static @Nullable Instant	getCreatedTime(Path path)
static @Nullable Instant	getLastAccessedTime(Path path)
static @Nullable Instant	getLastModifiedTime(Path path)
static long	getSize(Path path)
static MessageDigest	md(String algorithm)
static MessageDigest	md5()
static FileSystem	openAsZip(Path path)
static FileSystem	openAsZip(Path path, Map<String,?> env)
static Predicate<Path>	pathEndsWith(String suffix)
static List<String>	platformCopy(String from, String to)
static void	runUnmodified(Path path, PathOperation operation)
static boolean	setAttribute(Path file, String attribute, String value)
static boolean	setAttributeBuffer(Path file, String attribute, ByteBuffer value)
static boolean	setAttributeBytes(Path file, String attribute, byte[] value)
static byte[]	toByteArray(io.netty.buffer.ByteBuf buf, boolean release)
static ByteBuffer	toDirect(ByteBuffer buffer)
static void	writeBytes(Path path, ByteBuffer buf, long remainingBytes)

Field Details

NIL_UUID

static final UUID NIL_UUID

WRITE_OPEN_OPTIONS

static final Set<StandardOpenOption> WRITE_OPEN_OPTIONS

APPEND_OPEN_OPTIONS

static final Set<StandardOpenOption> APPEND_OPEN_OPTIONS

EMPTY_BYTE_ARRAY

static final byte[] EMPTY_BYTE_ARRAY

Method Details

getSize

static long getSize(Path path)

getCreatedTime

@Nullable
static @Nullable Instant getCreatedTime(Path path)

getLastModifiedTime

@Nullable
static @Nullable Instant getLastModifiedTime(Path path)

getLastAccessedTime

@Nullable
static @Nullable Instant getLastAccessedTime(Path path)

runUnmodified

static void runUnmodified(Path path,
 PathOperation operation)
                   throws IOException

Throws:

IOException

deleteRecursively

static void deleteRecursively(Path dir)
                       throws IOException

Throws:

IOException

clearDirectory

static void clearDirectory(Path dir)
                    throws IOException

Throws:

IOException

toByteArray

static byte[] toByteArray(io.netty.buffer.ByteBuf buf,
 boolean release)

writeBytes

static void writeBytes(Path path,
 ByteBuffer buf,
 long remainingBytes)
                throws IOException

Throws:

IOException

appendBytes

static void appendBytes(Path path,
 ByteBuffer buf,
 long remainingBytes)
                 throws IOException

Throws:

IOException

allocateTempBuffer

static ByteBuffer allocateTempBuffer(int maxBufferSize,
 long fileSize)

allocateTempBuffer

static ByteBuffer allocateTempBuffer(Path file)
                              throws IOException

Throws:

IOException

md

static MessageDigest md(String algorithm)

md5

static MessageDigest md5()

digest

static byte[] digest(String algorithm,
 Path file,
 long size,
 @Nullable
 @Nullable LongConsumer callback)
              throws IOException

Throws:

IOException

getAttributeBuffer

@Nullable
static @Nullable ByteBuffer getAttributeBuffer(Path file,
 String attribute)
                                        throws IOException

Throws:

IOException

getAttribute

static String getAttribute(Path file,
 String attribute)
                    throws IOException

Throws:

IOException

getAttributeBytes

@Nullable
static @Nullable byte[] getAttributeBytes(Path file,
 String attribute)
                                   throws IOException

Throws:

IOException

setAttributeBuffer

static boolean setAttributeBuffer(Path file,
 String attribute,
 ByteBuffer value)
                           throws IOException

Throws:

IOException

setAttribute

static boolean setAttribute(Path file,
 String attribute,
 String value)
                     throws IOException

Throws:

IOException

setAttributeBytes

static boolean setAttributeBytes(Path file,
 String attribute,
 byte[] value)
                          throws IOException

Throws:

IOException

pathEndsWith

static Predicate<Path> pathEndsWith(String suffix)

openAsZip

static FileSystem openAsZip(Path path,
 Map<String,?> env)
                     throws IOException

Throws:

IOException

openAsZip

static FileSystem openAsZip(Path path)
                     throws IOException

Throws:

IOException

platformCopy

static List<String> platformCopy(String from,
 String to)

toDirect

static ByteBuffer toDirect(ByteBuffer buffer)