Package ej.wasi.io.file

Interface WasiFile

All Superinterfaces:

AutoCloseable, Closeable, ReadableIO, WasiConstants, WasiIO, WritableIO

All Known Implementing Classes:

WasiFileImpl, WasiFileStub

public interface WasiFile
extends ReadableIO, WritableIO, WasiConstants

Field Summary

Fields

Modifier and Type	Field	Description
static int	CUR
static int	END
static int	SET

Fields inherited from interface ej.wasi.WasiConstants

AF_INET, AF_INET6, BLOCKING_CONNECT_TIMEOUT, BUFFERED_INPUT_STREAM_SIZE, CLOCK_MONOTONIC, CLOCK_REALTIME, DIRENT_COOKIE_OFFSET, DIRENT_ENTRY_NAME_LENGTH_OFFSET, DIRENT_FILE_TYPE_OFFSET, DIRENT_INODE_OFFSET, DIRENT_SIZE, ERRNO_ACCES, ERRNO_ADDRINUSE, ERRNO_ADDRNOTAVAIL, ERRNO_AFNOSUPPORT, ERRNO_AGAIN, ERRNO_BADF, ERRNO_CONNREFUSED, ERRNO_EXIST, ERRNO_FAULT, ERRNO_HOSTUNREACH, ERRNO_INPROGRESS, ERRNO_INTR, ERRNO_INVAL, ERRNO_IO, ERRNO_ISCONN, ERRNO_ISDIR, ERRNO_MSGSIZE, ERRNO_NAMETOOLONG, ERRNO_NOENT, ERRNO_NOMEM, ERRNO_NOSYS, ERRNO_NOTCONN, ERRNO_NOTDIR, ERRNO_NOTEMPTY, ERRNO_NOTSOCK, ERRNO_NOTSUP, ERRNO_OVERFLOW, ERRNO_SPIPE, ERRNO_SUCCESS, EVENT_AVAILABLE_BYTE_OFFSET, EVENT_ERROR_OFFSET, EVENT_EVENT_TYPE_OFFSET, EVENT_READ_WRITE_HANGUP_OFFSET, EVENT_SIZE, EVENT_USER_DATA_OFFSET, FDFLAGS_APPEND_MASK, FDFLAGS_NON_BLOCK_MASK, FDSTAT_BASE_RIGHTS_OFFSET, FDSTAT_FILE_TYPE_OFFSET, FDSTAT_FLAGS_OFFSET, FDSTAT_INHERITING_RIGHTS_OFFSET, FILESTAT_FILESIZE_OFFSET, FILESTAT_FILETYPE_OFFSET, FILESTAT_INODE_OFFSET, FILESTAT_LAST_MODIFIED_TIME_OFFSET, IFF_LOOPBACK, IFF_RUNNING, IFF_UP, IOVEC_BUFFER_INDEX, IOVEC_BUFFER_LENGTH_INDEX, IOVEC_SIZE, IP_ADD_MEMBERSHIP, IP_DROP_MEMBERSHIP, IP_MULTICAST_IF, IP_MULTICAST_LOOP, IP_MULTICAST_TTL, IP_TTL, IPPROTO_IP, IPPROTO_IPV6, IPv4AddressSize, IPV6_JOIN_GROUP, IPV6_LEAVE_GROUP, IPV6_MULTICAST_HOPS, IPV6_MULTICAST_IF, IPV6_MULTICAST_LOOP, IPV6_UNICAST_HOPS, IPv6AddressSize, LOOKUPFLAGS_SYMLINK_FOLLOW_MASK, MILLIS_TO_NANO, NON_BLOCKING_TIMEOUT, OFLAGS_CREAT_MASK, OFLAGS_DIRECTORY_MASK, OFLAGS_EXCL_MASK, OFLAGS_TRUNC_MASK, POLLING_TIMEOUT, PREOPENTYPE_DIR, PREOPENTYPE_UNKNOWN, PRESTAT_PREOPEN_DIRNAME_OFFSET, PRESTAT_PREOPEN_TAG_OFFSET, RIFLAGS_MSG_PEEK_MASK, RIFLAGS_WAITALL_MASK, RIGHTS_ALL, RIGHTS_DIR, SDFLAGS_READ, SDFLAGS_WRITE, SO_BROADCAST, SO_RCVBUF, SO_REUSEADDR, SO_SNDBUF, SOCK_CLOEXEC, SOCK_NONBLOCK, SOCKET_LEVEL, UDP_PEEK_BUFFER_MAX_SIZE

Method Summary

Modifier and Type	Method	Description
void	delete()
String	getCanonicalPath()
long	lastModidied()
long	length()
void	renameTo(WasiFile newFile)
long	seek(long offset, int whence)
long	tell()
void	wasiSetLength(long length)	Sets the length of a file.

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface ej.wasi.io.ReadableIO

available, read, setNonBlocking

Methods inherited from interface ej.wasi.io.WasiIO

getType

Methods inherited from interface ej.wasi.io.WritableIO

write

Field Detail

SET

static final int SET

See Also:

Constant Field Values

CUR

static final int CUR

See Also:

Constant Field Values

END

static final int END

See Also:

Constant Field Values

Method Detail

seek

long seek(long offset,
          int whence)
   throws IOException

Throws:

IOException

tell

long tell()
   throws IOException

Throws:

IOException

wasiSetLength

void wasiSetLength(long length)
            throws IOException

Sets the length of a file. If file is shortened, the data is lost, if file is grown, the new data is filled with zeros.

Parameters:

length - The new length to set for the file.

Throws:

IOException - If an io error occurs

lastModidied

long lastModidied()

length

long length()

getCanonicalPath

String getCanonicalPath()
                 throws IOException

Throws:

IOException

renameTo

void renameTo(WasiFile newFile)
       throws IOException

Throws:

IOException

delete

void delete()
     throws IOException

Throws:

IOException