Package org.apache.pdfbox.io

Class RandomAccessReadWriteBuffer

java.lang.Object

org.apache.pdfbox.io.RandomAccessReadBuffer

org.apache.pdfbox.io.RandomAccessReadWriteBuffer

All Implemented Interfaces:

Closeable, AutoCloseable, RandomAccess, RandomAccessRead, RandomAccessWrite

public class RandomAccessReadWriteBuffer
extends RandomAccessReadBuffer
implements RandomAccess

An implementation of the RandomAccess interface to store data in memory. The data will be stored in chunks organized in an ArrayList. The data can be read after writing.

Field Summary

Fields inherited from class org.apache.pdfbox.io.RandomAccessReadBuffer

chunkSize, currentBuffer, currentBufferPointer, DEFAULT_CHUNK_SIZE_4KB, pointer, size

Constructor Summary

Constructors

Constructor	Description
RandomAccessReadWriteBuffer()	Default constructor.
RandomAccessReadWriteBuffer(int definedChunkSize)	Default constructor.

Method Summary

Modifier and Type	Method	Description
void	clear()	Clears all data of the buffer.
void	write(byte[] b)	Write a buffer of data to the stream.
void	write(byte[] b, int off, int len)	Write a buffer of data to the stream.
void	write(int b)	Write a byte to the stream.

Methods inherited from class org.apache.pdfbox.io.RandomAccessReadBuffer

checkClosed, close, createBufferFromStream, createView, expandBuffer, getPosition, isClosed, isEOF, length, read, read, resetBuffers, seek

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface org.apache.pdfbox.io.RandomAccessRead

available, createView, getPosition, isClosed, isEOF, length, peek, read, read, read, readFully, readFully, rewind, seek, skip

Constructor Details

RandomAccessReadWriteBuffer

public RandomAccessReadWriteBuffer()

Default constructor.

RandomAccessReadWriteBuffer

public RandomAccessReadWriteBuffer(int definedChunkSize)

Default constructor.

Method Details

clear

public void clear()
           throws IOException

Clears all data of the buffer.

Specified by:

clear in interface RandomAccessWrite

Throws:

IOException - If there is an error while clearing the data.

write

public void write(int b)
           throws IOException

Write a byte to the stream.

Specified by:

write in interface RandomAccessWrite

Parameters:

b - The byte to write.

Throws:

IOException - If there is an IO error while writing.

write

public void write(byte[] b)
           throws IOException

Write a buffer of data to the stream.

Specified by:

write in interface RandomAccessWrite

Parameters:

b - The buffer to get the data from.

Throws:

IOException - If there is an error while writing the data.

write

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

Write a buffer of data to the stream.

Specified by:

write in interface RandomAccessWrite

Parameters:

b - The buffer to get the data from.

off - An offset into the buffer to get the data from.

len - The length of data to write.

Throws:

IOException - If there is an error while writing the data.