Package com.io7m.jspiel.vanilla

Class RiffRestrictedSeekableByteChannel

java.lang.Object

com.io7m.jspiel.vanilla.RiffRestrictedSeekableByteChannel

All Implemented Interfaces:

Closeable, AutoCloseable, ByteChannel, Channel, ReadableByteChannel, SeekableByteChannel, WritableByteChannel

public final class RiffRestrictedSeekableByteChannel
extends Object
implements SeekableByteChannel

A byte channel that can only access a specified range of a given underlying channel.

Method Summary

Modifier and Type	Method	Description
void	close()
static SeekableByteChannel	create(SeekableByteChannel in_channel, long in_lower, long in_upper, boolean in_allow_close)	Create a new restricted seekable byte channel.
boolean	isOpen()
long	position()
SeekableByteChannel	position(long new_position)
int	read(ByteBuffer dst)
long	size()
SeekableByteChannel	truncate(long size)
int	write(ByteBuffer src)

Methods inherited from class java.lang.Object

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

Method Details

create

public static SeekableByteChannel create(SeekableByteChannel in_channel,
 long in_lower,
 long in_upper,
 boolean in_allow_close)

Create a new restricted seekable byte channel.

Parameters:

in_channel - The underlying byte channel

in_lower - The lower bound of the accessible range

in_upper - The upper bound of the accessible range

in_allow_close - true if closing this channel closes the underlying channel

Returns:

A new channel

read

public int read(ByteBuffer dst)
         throws IOException

Specified by:

read in interface ReadableByteChannel

Specified by:

read in interface SeekableByteChannel

Throws:

IOException

write

public int write(ByteBuffer src)
          throws IOException

Specified by:

write in interface SeekableByteChannel

Specified by:

write in interface WritableByteChannel

Throws:

IOException

position

public long position()
              throws IOException

Specified by:

position in interface SeekableByteChannel

Throws:

IOException

position

public SeekableByteChannel position(long new_position)
                             throws IOException

Specified by:

position in interface SeekableByteChannel

Throws:

IOException

size

public long size()
          throws IOException

Specified by:

size in interface SeekableByteChannel

Throws:

IOException

truncate

public SeekableByteChannel truncate(long size)
                             throws IOException

Specified by:

truncate in interface SeekableByteChannel

Throws:

IOException

isOpen

public boolean isOpen()

Specified by:

isOpen in interface Channel

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Channel

Specified by:

close in interface Closeable

Throws:

IOException