Class SeekableReadOnlyInputStream

java.lang.Object

com.github.junrar.io.SeekableReadOnlyInputStream

All Implemented Interfaces:

SeekableReadOnlyByteChannel

public class SeekableReadOnlyInputStream
extends Object
implements SeekableReadOnlyByteChannel

InputStream based implementation of the SeekableReadOnlyByteChannel interface.

http://rsbweb.nih.gov/ij/

Field Summary

Fields

Modifier and Type	Field	Description
private final RandomAccessInputStream	is

Constructor Summary

Constructors

Constructor	Description
SeekableReadOnlyInputStream(InputStream is)	Create new instance.

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

is

private final RandomAccessInputStream is

Constructor Details

SeekableReadOnlyInputStream

public SeekableReadOnlyInputStream(InputStream is)

Create new instance.

Parameters:

is - The input stream to wrap.

Method Details

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 - .

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 - .