sisc.ser
Class BufferedRandomAccessInputStream

java.lang.Object
  java.io.InputStream
      sisc.ser.SeekableInputStream
          sisc.ser.BufferedRandomAccessInputStream

All Implemented Interfaces:

java.io.Closeable, Seekable

public class BufferedRandomAccessInputStream
extends SeekableInputStream

Field Summary

protected byte[][]	buffer
protected int	bufferPtr
protected int	bufferSize
protected int[][]	dirtyRange
protected int[]	eofAt
protected long[]	offset
protected java.io.RandomAccessFile	raf
protected int	stackDepth

Constructor Summary

BufferedRandomAccessInputStream(java.io.File f, java.lang.String mode, int stackDepth, int bufferSize)

BufferedRandomAccessInputStream(java.lang.String name, java.lang.String mode)

BufferedRandomAccessInputStream(java.lang.String name, java.lang.String mode, int bufferSize)

BufferedRandomAccessInputStream(java.lang.String name, java.lang.String mode, int stackDepth, int bufferSize)

Method Summary

protected void	acquire(long pos)
protected void	activate(int bufferNumber, int off) Set an existing buffer as the active buffer and set the buffer pointer
protected void	advance()
protected void	advancePointer(int n)
protected void	advancePointerWrite(int n)
void	close()
void	flush()
protected void	flush(int bufferNumber)
long	getFilePointer()
protected void	load(long pos)
static void	main(java.lang.String[] args)
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	seek(long pos)
int	skipBytes(int n)
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.io.InputStream

available, mark, markSupported, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

raf

protected java.io.RandomAccessFile raf

stackDepth

protected int stackDepth

bufferSize

protected int bufferSize

buffer

protected byte[][] buffer

dirtyRange

protected int[][] dirtyRange

eofAt

protected int[] eofAt

offset

protected long[] offset

bufferPtr

protected int bufferPtr

Constructor Detail

BufferedRandomAccessInputStream

public BufferedRandomAccessInputStream(java.lang.String name,
                                       java.lang.String mode)
                                throws java.io.IOException

Throws:

java.io.IOException

BufferedRandomAccessInputStream

public BufferedRandomAccessInputStream(java.lang.String name,
                                       java.lang.String mode,
                                       int bufferSize)
                                throws java.io.IOException

Throws:

java.io.IOException

BufferedRandomAccessInputStream

public BufferedRandomAccessInputStream(java.lang.String name,
                                       java.lang.String mode,
                                       int stackDepth,
                                       int bufferSize)
                                throws java.io.IOException

Throws:

java.io.IOException

BufferedRandomAccessInputStream

public BufferedRandomAccessInputStream(java.io.File f,
                                       java.lang.String mode,
                                       int stackDepth,
                                       int bufferSize)
                                throws java.io.IOException

Throws:

java.io.IOException

Method Detail

flush

protected void flush(int bufferNumber)
              throws java.io.IOException

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Throws:

java.io.IOException

activate

protected void activate(int bufferNumber,
                        int off)

Set an existing buffer as the active buffer and set the buffer pointer

load

protected void load(long pos)
             throws java.io.IOException

Throws:

java.io.IOException

advance

protected final void advance()
                      throws java.io.IOException

Throws:

java.io.IOException

acquire

protected void acquire(long pos)
                throws java.io.IOException

Throws:

java.io.IOException

advancePointer

protected final void advancePointer(int n)
                             throws java.io.IOException

Throws:

java.io.IOException

advancePointerWrite

protected final void advancePointerWrite(int n)
                                  throws java.io.IOException

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] b)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

skipBytes

public int skipBytes(int n)
              throws java.io.IOException

Throws:

java.io.IOException

write

public void write(int b)
           throws java.io.IOException

Throws:

java.io.IOException

write

public void write(byte[] b,
                  int off,
                  int len)
           throws java.io.IOException

Throws:

java.io.IOException

write

public void write(byte[] b)
           throws java.io.IOException

Throws:

java.io.IOException

getFilePointer

public long getFilePointer()
                    throws java.io.IOException

Throws:

java.io.IOException

seek

public void seek(long pos)
          throws java.io.IOException

Throws:

java.io.IOException

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Throws:

java.io.IOException