lev

Class LInChannel

java.lang.Object

lev.LImport

lev.LInChannel

public class LInChannel
extends LImport

A FileChannel setup that supports easy extraction/getting of information.

Field Summary

Fields

Modifier and Type	Field and Description
protected long	end
protected java.nio.channels.FileChannel	iChannel
protected java.io.FileInputStream	iStream

Constructor Summary

Constructors

Constructor and Description
LInChannel()
LInChannel(java.io.File f)
LInChannel(LInChannel rhs, long allocation)
LInChannel(java.lang.String path)

Method Summary

Methods

Modifier and Type	Method and Description
int	available()
void	close() Closes streams.
byte[]	extract(int amount) Reads in amount of bytes and converts them to integers. Moves position forward.
java.nio.ByteBuffer	extractByteBuffer(int skip, int read) Reads in the desired bytes and wraps them in a ByteBuffer.
byte[]	extractUntil(int delimiter) Reads in bytes until the delimiter is read.
java.lang.Boolean	isDone()
void	openFile(java.io.File f)
void	openFile(java.lang.String path)
long	pos()
void	pos(long pos)
int	read() Reads in a byte and moves forward one position in the file.
protected void	slice(LInChannel rhs, long allocation)
long	transferTo(long position, long count, java.nio.channels.WritableByteChannel target)

Methods inherited from class lev.LImport

correctForCompression, extract, extractAllBytes, extractAllString, extractBool, extractFloat, extractInt, extractInt, extractInts, extractInts, extractIntSigned, extractLine, extractLong, extractString, extractString, extractString, extractUntil, extractUntil, extractUntil, extractUntil, getAllBytes, getBytes, getInts, getString, getString, jumpBack, scanTo, skip

Methods inherited from class java.lang.Object

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

Field Detail

iStream

protected java.io.FileInputStream iStream

iChannel

protected java.nio.channels.FileChannel iChannel

end

protected long end

Constructor Detail

LInChannel

public LInChannel()

LInChannel

public LInChannel(java.lang.String path)

Parameters:

path - Path to open a channel to.

LInChannel

public LInChannel(java.io.File f)

Parameters:

f - File to open a channel to.

LInChannel

public LInChannel(LInChannel rhs,
          long allocation)

Parameters:

rhs -

allocation -

Method Detail

slice

protected void slice(LInChannel rhs,
         long allocation)

Parameters:

rhs -

allocation -

openFile

public void openFile(java.lang.String path)

Parameters:

path - Path to open a channel to.

openFile

public void openFile(java.io.File f)

Parameters:

f - File to open a channel to.

read

public int read()

Reads in a byte and moves forward one position in the file.

Overrides:

read in class LImport

Returns:

The next int in the file.

extractByteBuffer

public java.nio.ByteBuffer extractByteBuffer(int skip,
                                    int read)

Reads in the desired bytes and wraps them in a ByteBuffer.

Parameters:

skip - Bytes to skip

read - Bytes to read and convert

Returns:

ByteBuffer containing read bytes.

pos

public void pos(long pos)

Specified by:

pos in class LImport

Parameters:

pos - Position to move to.

pos

public long pos()

Specified by:

pos in class LImport

Returns:

Current position.

close

public final void close()

Closes streams.

Specified by:

close in class LImport

available

public final int available()

Specified by:

available in class LImport

Returns:

Bytes left to read in the file.

isDone

public java.lang.Boolean isDone()

Overrides:

isDone in class LImport

Returns:

extract

public byte[] extract(int amount)

Description copied from class: LImport

Reads in amount of bytes and converts them to integers.
Moves position forward.

Specified by:

extract in class LImport

Parameters:

amount -

Returns:

extractUntil

public byte[] extractUntil(int delimiter)

Description copied from class: LImport

Reads in bytes until the delimiter is read.

Overrides:

extractUntil in class LImport

Parameters:

delimiter - int to stop reading at.

Returns:

Byte array containing read data without delimiter.

transferTo

public long transferTo(long position,
              long count,
              java.nio.channels.WritableByteChannel target)
                throws java.io.IOException

Parameters:

position -

count -

target -

Returns:

Throws:

java.io.IOException