com.lowagie.text.rtf.document.output

Class RtfByteArrayBuffer

public final class RtfByteArrayBuffer extends OutputStream

A RtfByteArrayBuffer works much like ByteArrayOutputStream but is cheaper and faster in most cases (exception: large writes when reusing buffers).

Version: $Id: RtfByteArrayBuffer.java 3433 2008-05-24 19:32:11Z xlv $

Author: Thomas Bickel (tmb99@inode.at)

Field Summary
List	arrays
byte[]	buffer
int	pos
int	size

Constructor Summary
	RtfByteArrayBuffer() Constructs a new buffer with a default initial size of 128 bytes.
	RtfByteArrayBuffer(int bufferSize) Creates a new buffer with the given initial size.

Method Summary
void	append(byte[] a) Appends the given array to this buffer without copying (if possible).
void	append(byte[][] a) Appends all arrays to this buffer without copying (if possible).
void	flushBuffer()
void	flushBuffer(int reqSize)
void	reset() Resets this buffer.
long	size() Returns the number of bytes that have been written to this buffer so far.
byte[]	toByteArray() Allocates a new array and copies all data that has been written to this buffer to the newly allocated array.
byte[][]	toByteArrayArray() Returns the internal list of byte array buffers without copying the buffer contents.
String	toString()
void	write(int b) Copies the given byte to the internal buffer.
void	write(byte[] src) Copies the given array to the internal buffer.
void	write(byte[] src, int off, int len) Copies len bytes starting at position off from the array src to the internal buffer.
long	write(InputStream in) Writes all bytes available in the given inputstream to this buffer.
void	writeLoop(byte[] src, int off, int len)
void	writeTo(OutputStream out) Writes all data that has been written to this buffer to the given output stream.

Field Detail

arrays

private final List arrays

buffer

private byte[] buffer

pos

private int pos

size

private int size

Constructor Detail

RtfByteArrayBuffer

public RtfByteArrayBuffer()

Constructs a new buffer with a default initial size of 128 bytes.

RtfByteArrayBuffer

public RtfByteArrayBuffer(int bufferSize)

Creates a new buffer with the given initial size.

Parameters: bufferSize desired initial size in bytes

Method Detail

append

public void append(byte[] a)

Appends the given array to this buffer without copying (if possible).

Parameters: a

append

public void append(byte[][] a)

Appends all arrays to this buffer without copying (if possible).

Parameters: a

flushBuffer

private void flushBuffer()

flushBuffer

private void flushBuffer(int reqSize)

reset

public void reset()

Resets this buffer.

size

public long size()

Returns the number of bytes that have been written to this buffer so far.

Returns: number of bytes written to this buffer

toByteArray

public byte[] toByteArray()

Allocates a new array and copies all data that has been written to this buffer to the newly allocated array.

Returns: a new byte array

toByteArrayArray

public byte[][] toByteArrayArray()

Returns the internal list of byte array buffers without copying the buffer contents.

Returns: number of bytes written

toString

public String toString()

write

public void write(int b)

Copies the given byte to the internal buffer.

Parameters: b

write

public void write(byte[] src)

Copies the given array to the internal buffer.

Parameters: src

write

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

Copies len bytes starting at position off from the array src to the internal buffer.

Parameters: src off len

write

public long write(InputStream in)

Writes all bytes available in the given inputstream to this buffer.

Parameters: in

Returns: number of bytes written

Throws: IOException

writeLoop

private void writeLoop(byte[] src, int off, int len)

writeTo

public void writeTo(OutputStream out)

Writes all data that has been written to this buffer to the given output stream.

Parameters: out

Throws: IOException