Module com.github.librepdf.openpdf

Package org.openpdf.text.utils

Class LongMappedByteBuffer

java.lang.Object

org.openpdf.text.utils.LongMappedByteBuffer

public class LongMappedByteBuffer
extends Object

A utility class that allows random access to files larger than 2GB by internally mapping them into multiple MappedByteBuffer chunks of up to 2GB each.

Since:

2.0.4

Constructor Summary

Constructors

Constructor	Description
LongMappedByteBuffer(FileChannel channel, FileChannel.MapMode mode)	Constructs a new LongMappedByteBuffer by chunk-mapping the file channel.

Method Summary

Modifier and Type	Method	Description
void	force()
byte	get()
void	get(byte[] dst, int off, int len)
byte	get(long pos)
void	get(long pos, byte[] dst, int off, int len)
boolean	isLoaded()
long	limit()
LongMappedByteBuffer	load()
long	position()
LongMappedByteBuffer	position(long newPosition)
void	put(byte value)
void	put(byte[] src, int off, int len)
void	put(long pos, byte value)
int	read(byte[] bytes, int off, int len)
long	size()

Methods inherited from class java.lang.Object

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

Constructor Details

LongMappedByteBuffer

public LongMappedByteBuffer(FileChannel channel,
 FileChannel.MapMode mode)
                     throws IOException

Constructs a new LongMappedByteBuffer by chunk-mapping the file channel.

Throws:

IOException

Method Details

get

public byte get()

get

public byte get(long pos)

get

public void get(long pos,
 byte[] dst,
 int off,
 int len)

get

public void get(byte[] dst,
 int off,
 int len)

put

public void put(byte value)

put

public void put(long pos,
 byte value)

put

public void put(byte[] src,
 int off,
 int len)

read

public int read(byte[] bytes,
 int off,
 int len)

position

public long position()

position

public LongMappedByteBuffer position(long newPosition)

size

public long size()

limit

public long limit()

load

public LongMappedByteBuffer load()

isLoaded

public boolean isLoaded()

force

public void force()