net.sf.saxon.event

Class UTF8Writer

public final class UTF8Writer extends Writer

Specialized buffering UTF-8 writer. The main reason for custom version is to allow for efficient buffer recycling; the second benefit is that encoder has less overhead for short content encoding (compared to JDK default codecs).

Author: Tatu Saloranta

Field Summary
static int	SURR1_FIRST
static int	SURR1_LAST
static int	SURR2_FIRST
static int	SURR2_LAST
protected OutputStream	_out
protected byte[]	_outBuffer
protected int	_outBufferLast
protected int	_outPtr
int	_surrogate When outputting chars from BMP, surrogate pairs need to be coalesced.

Constructor Summary
	UTF8Writer(OutputStream out)
	UTF8Writer(OutputStream out, int bufferLength)

Method Summary
void	close()
void	flush()
void	write(char[] cbuf)
void	write(char[] cbuf, int off, int len)
void	write(int c)
void	write(String str)
void	write(String str, int off, int len)

Field Detail

SURR1_FIRST

static final int SURR1_FIRST

SURR1_LAST

static final int SURR1_LAST

SURR2_FIRST

static final int SURR2_FIRST

SURR2_LAST

static final int SURR2_LAST

_out

protected OutputStream _out

_outBuffer

protected byte[] _outBuffer

_outBufferLast

protected final int _outBufferLast

_outPtr

protected int _outPtr

_surrogate

int _surrogate

When outputting chars from BMP, surrogate pairs need to be coalesced. To do this, both pairs must be known first; and since it is possible pairs may be split, we need temporary storage for the first half