Class SeekableReadOnlyFile

java.lang.Object

com.github.junrar.io.SeekableReadOnlyFile

All Implemented Interfaces:

SeekableReadOnlyByteChannel

public class SeekableReadOnlyFile
extends Object
implements SeekableReadOnlyByteChannel

DOCUMENT ME

Version:

$LastChangedRevision$

Field Summary

Fields

Modifier and Type	Field	Description
private final RandomAccessFile	file

Constructor Summary

Constructors

Constructor	Description
SeekableReadOnlyFile(File file)

Method Summary

Modifier and Type	Method	Description
void	close()	Close this channel.
long	getPosition()
int	read()	Read a single byte of data.
int	read(byte[] buffer, int off, int count)	Read up to count bytes to the specified buffer.
int	readFully(byte[] buffer, int count)	Read exactly count bytes to the specified buffer.
void	setPosition(long pos)

Methods inherited from class Object

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

Field Details

file

private final RandomAccessFile file

Constructor Details

SeekableReadOnlyFile

public SeekableReadOnlyFile(File file)
                     throws FileNotFoundException

Parameters:

file - the file

Throws:

FileNotFoundException - .

Method Details

readFully

public int readFully(byte[] buffer,
 int count)
              throws IOException

Description copied from interface: SeekableReadOnlyByteChannel

Read exactly count bytes to the specified buffer.

Specified by:

readFully in interface SeekableReadOnlyByteChannel

Parameters:

buffer - where to store the read data

count - how many bytes to read

Returns:

bytes read || -1 if IO problem

Throws:

IOException - .

close

public void close()
           throws IOException

Description copied from interface: SeekableReadOnlyByteChannel

Close this channel.

Specified by:

close in interface SeekableReadOnlyByteChannel

Throws:

IOException - .

getPosition

public long getPosition()
                 throws IOException

Specified by:

getPosition in interface SeekableReadOnlyByteChannel

Returns:

the current position in the channel

Throws:

IOException - .

setPosition

public void setPosition(long pos)
                 throws IOException

Specified by:

setPosition in interface SeekableReadOnlyByteChannel

Parameters:

pos - the position in the channel

Throws:

IOException - .

read

public int read()
         throws IOException

Description copied from interface: SeekableReadOnlyByteChannel

Read a single byte of data.

Specified by:

read in interface SeekableReadOnlyByteChannel

Returns:

read read

Throws:

IOException - .

read

public int read(byte[] buffer,
 int off,
 int count)
         throws IOException

Description copied from interface: SeekableReadOnlyByteChannel

Read up to count bytes to the specified buffer.

Specified by:

read in interface SeekableReadOnlyByteChannel

Parameters:

buffer - .

off - .

count - .

Returns:

read read

Throws:

IOException - .