Package net.sf.saxon.serialize
Class UTF8Writer
- java.lang.Object
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- java.io.Writer
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- net.sf.saxon.serialize.UTF8Writer
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- All Implemented Interfaces:
java.io.Closeable
,java.io.Flushable
,java.lang.Appendable
,java.lang.AutoCloseable
public final class UTF8Writer extends java.io.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
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Field Summary
Fields Modifier and Type Field Description protected java.io.OutputStream
_out
protected byte[]
_outBuffer
protected int
_outBufferLast
protected int
_outPtr
(package private) int
_surrogate
When outputting chars from BMP, surrogate pairs need to be coalesced.(package private) static int
SURR1_FIRST
(package private) static int
SURR1_LAST
(package private) static int
SURR2_FIRST
(package private) static int
SURR2_LAST
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Constructor Summary
Constructors Constructor Description UTF8Writer(java.io.OutputStream out)
UTF8Writer(java.io.OutputStream out, int bufferLength)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
void
flush()
void
write(char[] cbuf)
void
write(char[] cbuf, int off, int len)
void
write(int c)
void
write(java.lang.String str)
void
write(java.lang.String str, int off, int len)
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Field Detail
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SURR1_FIRST
static final int SURR1_FIRST
- See Also:
- Constant Field Values
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SURR1_LAST
static final int SURR1_LAST
- See Also:
- Constant Field Values
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SURR2_FIRST
static final int SURR2_FIRST
- See Also:
- Constant Field Values
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SURR2_LAST
static final int SURR2_LAST
- See Also:
- Constant Field Values
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_out
protected java.io.OutputStream _out
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_outBuffer
protected byte[] _outBuffer
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_outBufferLast
protected final int _outBufferLast
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_outPtr
protected int _outPtr
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_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
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Method Detail
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close
public void close() throws java.io.IOException
- Specified by:
close
in interfacejava.lang.AutoCloseable
- Specified by:
close
in interfacejava.io.Closeable
- Specified by:
close
in classjava.io.Writer
- Throws:
java.io.IOException
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flush
public void flush() throws java.io.IOException
- Specified by:
flush
in interfacejava.io.Flushable
- Specified by:
flush
in classjava.io.Writer
- Throws:
java.io.IOException
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write
public void write(char[] cbuf) throws java.io.IOException
- Overrides:
write
in classjava.io.Writer
- Throws:
java.io.IOException
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write
public void write(char[] cbuf, int off, int len) throws java.io.IOException
- Specified by:
write
in classjava.io.Writer
- Throws:
java.io.IOException
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write
public void write(int c) throws java.io.IOException
- Overrides:
write
in classjava.io.Writer
- Throws:
java.io.IOException
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write
public void write(java.lang.String str) throws java.io.IOException
- Overrides:
write
in classjava.io.Writer
- Throws:
java.io.IOException
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write
public void write(java.lang.String str, int off, int len) throws java.io.IOException
- Overrides:
write
in classjava.io.Writer
- Throws:
java.io.IOException
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