net.wimpi.modbus.io
Class FastByteArrayInputStream

java.lang.Object
  java.io.InputStream
      net.wimpi.modbus.io.FastByteArrayInputStream

Direct Known Subclasses:

BytesInputStream

public class FastByteArrayInputStream

extends java.io.InputStream

This class is a replacement for ByteArrayInputStream that does not synchronize every byte read.

Version:

1.2rc1 (09/11/2004)

Author:

Mark Hayes, Dieter Wimberger

Field Summary

protected byte[]	buf Input buffer byte[].
protected int	count Number of bytes in the input buffer.
protected int	mark Marked position pointer into the input buffer.
protected int	pos Actual position pointer into the input buffer.

Constructor Summary

FastByteArrayInputStream(byte[] buffer)
Creates an input stream.

FastByteArrayInputStream(byte[] buffer, int offset, int length)
Creates an input stream.

Method Summary

int	available()
byte[]	getBufferBytes() Returns the underlying data being read.
int	getBufferLength() Returns the end of the buffer being read.
int	getBufferOffset() Returns the offset at which data is being read from the buffer.
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] toBuf)
int	read(byte[] toBuf, int offset, int length)
void	reset()
long	skip(long count)

Methods inherited from class java.io.InputStream

close

Methods inherited from class java.lang.Object

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

Field Detail

count

protected int count

Number of bytes in the input buffer.

pos

protected int pos

Actual position pointer into the input buffer.

mark

protected int mark

Marked position pointer into the input buffer.

buf

protected byte[] buf

Input buffer byte[].

Constructor Detail

FastByteArrayInputStream

public FastByteArrayInputStream(byte[] buffer)

Creates an input stream.

Parameters:

buffer - the data to read.

FastByteArrayInputStream

public FastByteArrayInputStream(byte[] buffer,
                                int offset,
                                int length)

Creates an input stream.

Parameters:

buffer - the data to read.

offset - the byte offset at which to begin reading.

length - the number of bytes to read.

Method Detail

available

public int available()

markSupported

public boolean markSupported()

mark

public void mark(int readlimit)

reset

public void reset()

skip

public long skip(long count)

read

public int read()
         throws java.io.IOException

Throws:

java.io.IOException

read

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

Throws:

java.io.IOException

read

public int read(byte[] toBuf,
                int offset,
                int length)
         throws java.io.IOException

Throws:

java.io.IOException

getBufferBytes

public byte[] getBufferBytes()

Returns the underlying data being read.

Returns:

the underlying data.

getBufferOffset

public int getBufferOffset()

Returns the offset at which data is being read from the buffer.

Returns:

the offset at which data is being read.

getBufferLength

public int getBufferLength()

Returns the end of the buffer being read.

Returns:

the end of the buffer.