java.nio.channels

Class FileChannel

java.lang.Object

java.nio.channels.spi.AbstractInterruptibleChannel

java.nio.channels.FileChannel

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.nio.channels.Channel, java.nio.channels.GatheringByteChannel, java.nio.channels.InterruptibleChannel, java.nio.channels.ReadableByteChannel, java.nio.channels.ScatteringByteChannel, java.nio.channels.WritableByteChannel

public abstract class FileChannel
extends java.nio.channels.spi.AbstractInterruptibleChannel
implements java.nio.channels.GatheringByteChannel, java.nio.channels.ScatteringByteChannel

Compatibility stub.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FileChannel.MapMode

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FileChannel()

Method Summary

Modifier and Type	Method and Description
abstract void	force(boolean metaData)
java.nio.channels.FileLock	lock()
abstract java.nio.channels.FileLock	lock(long position, long size, boolean shared)
abstract java.nio.MappedByteBuffer	map(FileChannel.MapMode mode, long position, long size)
static FileChannel	open(java.nio.file.Path path, java.nio.file.OpenOption... options)
abstract long	position()
abstract FileChannel	position(long newPosition)
abstract int	read(java.nio.ByteBuffer dst)
long	read(java.nio.ByteBuffer[] dsts)
abstract long	read(java.nio.ByteBuffer[] dsts, int offset, int length)
abstract int	read(java.nio.ByteBuffer dst, long position)
abstract long	size()
abstract long	transferFrom(java.nio.channels.ReadableByteChannel src, long position, long count)
abstract long	transferTo(long position, long count, java.nio.channels.WritableByteChannel target)
abstract FileChannel	truncate(long size)
java.nio.channels.FileLock	tryLock()
abstract java.nio.channels.FileLock	tryLock(long position, long size, boolean shared)
abstract int	write(java.nio.ByteBuffer src)
long	write(java.nio.ByteBuffer[] srcs)
abstract long	write(java.nio.ByteBuffer[] srcs, int offset, int length)
abstract int	write(java.nio.ByteBuffer src, long position)

Methods inherited from class java.nio.channels.spi.AbstractInterruptibleChannel

begin, close, end, implCloseChannel, isOpen

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.nio.channels.Channel

close, isOpen

Constructor Detail

FileChannel

protected FileChannel()

Method Detail

open

public static FileChannel open(java.nio.file.Path path,
                               java.nio.file.OpenOption... options)
                        throws java.io.IOException

Throws:

java.io.IOException

read

public abstract int read(java.nio.ByteBuffer dst)
                  throws java.io.IOException

Specified by:

read in interface java.nio.channels.ReadableByteChannel

Throws:

java.io.IOException

read

public abstract long read(java.nio.ByteBuffer[] dsts,
                          int offset,
                          int length)
                   throws java.io.IOException

Specified by:

read in interface java.nio.channels.ScatteringByteChannel

Throws:

java.io.IOException

read

public final long read(java.nio.ByteBuffer[] dsts)
                throws java.io.IOException

Specified by:

read in interface java.nio.channels.ScatteringByteChannel

Throws:

java.io.IOException

write

public abstract int write(java.nio.ByteBuffer src)
                   throws java.io.IOException

Specified by:

write in interface java.nio.channels.WritableByteChannel

Throws:

java.io.IOException

write

public abstract long write(java.nio.ByteBuffer[] srcs,
                           int offset,
                           int length)
                    throws java.io.IOException

Specified by:

write in interface java.nio.channels.GatheringByteChannel

Throws:

java.io.IOException

write

public final long write(java.nio.ByteBuffer[] srcs)
                 throws java.io.IOException

Specified by:

write in interface java.nio.channels.GatheringByteChannel

Throws:

java.io.IOException

position

public abstract long position()
                       throws java.io.IOException

Throws:

java.io.IOException

position

public abstract FileChannel position(long newPosition)
                              throws java.io.IOException

Throws:

java.io.IOException

size

public abstract long size()
                   throws java.io.IOException

Throws:

java.io.IOException

truncate

public abstract FileChannel truncate(long size)
                              throws java.io.IOException

Throws:

java.io.IOException

force

public abstract void force(boolean metaData)
                    throws java.io.IOException

Throws:

java.io.IOException

transferTo

public abstract long transferTo(long position,
                                long count,
                                java.nio.channels.WritableByteChannel target)
                         throws java.io.IOException

Throws:

java.io.IOException

transferFrom

public abstract long transferFrom(java.nio.channels.ReadableByteChannel src,
                                  long position,
                                  long count)
                           throws java.io.IOException

Throws:

java.io.IOException

read

public abstract int read(java.nio.ByteBuffer dst,
                         long position)
                  throws java.io.IOException

Throws:

java.io.IOException

write

public abstract int write(java.nio.ByteBuffer src,
                          long position)
                   throws java.io.IOException

Throws:

java.io.IOException

map

public abstract java.nio.MappedByteBuffer map(FileChannel.MapMode mode,
                                              long position,
                                              long size)
                                       throws java.io.IOException

Throws:

java.io.IOException

lock

public abstract java.nio.channels.FileLock lock(long position,
                                                long size,
                                                boolean shared)
                                         throws java.io.IOException

Throws:

java.io.IOException

lock

public final java.nio.channels.FileLock lock()
                                      throws java.io.IOException

Throws:

java.io.IOException

tryLock

public abstract java.nio.channels.FileLock tryLock(long position,
                                                   long size,
                                                   boolean shared)
                                            throws java.io.IOException

Throws:

java.io.IOException

tryLock

public final java.nio.channels.FileLock tryLock()
                                         throws java.io.IOException

Throws:

java.io.IOException