weblogic.apache.xalan.serialize
Class WriterToUTF8Buffered

java.lang.Object
  |
  +--java.io.Writer
        |
        +--weblogic.apache.xalan.serialize.WriterToUTF8Buffered

public final class WriterToUTF8Buffered

extends java.io.Writer

This class writes ASCII to a byte stream as quickly as possible. For the moment it does not do buffering, though I reserve the right to do some buffering down the line if I can prove that it will be faster even if the output stream is buffered.

This class is based on an implementation from the Apache XML Project. In future releases the XML parser, XSLT processor, and associated classes will likely be updated to be based on a later version of the Apache implementations. Since Apache does not guarantee backwards compatibility between versions of their software, we cannot guarantee backwards compatibility of any of the classes contained in the weblogic.apache package or sub-packages.

Fields inherited from class java.io.Writer

lock

Constructor Summary

WriterToUTF8Buffered(java.io.OutputStream out)
Create an buffered UTF-8 writer.

WriterToUTF8Buffered(java.io.OutputStream out, int size)
Create an buffered UTF-8 writer to write data to the specified underlying output stream with the specified buffer size.

Method Summary

void	close() Close the stream, flushing it first.
void	flush() Flush the stream.
void	flushBuffer() Flush the internal buffer
java.io.OutputStream	getOutputStream() Get the output stream where the events will be serialized to.
void	write(char[] chars, int start, int length) Write a portion of an array of characters.
void	write(int c) Write a single character.
void	write(java.lang.String s) Write a string.

Methods inherited from class java.io.Writer

write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

WriterToUTF8Buffered

public WriterToUTF8Buffered(java.io.OutputStream out)
                     throws java.io.UnsupportedEncodingException

Create an buffered UTF-8 writer.

Parameters:

out - the underlying output stream.

Throws:

java.io.UnsupportedEncodingException -

WriterToUTF8Buffered

public WriterToUTF8Buffered(java.io.OutputStream out,
                            int size)

Create an buffered UTF-8 writer to write data to the specified underlying output stream with the specified buffer size.

Parameters:

out - the underlying output stream.

size - the buffer size.

Throws:

java.lang.IllegalArgumentException - if size <= 0.

Method Detail

write

public void write(int c)
           throws java.io.IOException

Write a single character. The character to be written is contained in the 16 low-order bits of the given integer value; the 16 high-order bits are ignored.

Subclasses that intend to support efficient single-character output should override this method.

Parameters:

c - int specifying a character to be written.

Throws:

java.io.IOException - If an I/O error occurs

Overrides:

write in class java.io.Writer

write

public void write(char[] chars,
                  int start,
                  int length)
           throws java.io.IOException

Write a portion of an array of characters.

Parameters:

chars - Array of characters

start - Offset from which to start writing characters

length - Number of characters to write

Throws:

java.io.IOException - If an I/O error occurs

java.io.IOException -

Overrides:

write in class java.io.Writer

write

public void write(java.lang.String s)
           throws java.io.IOException

Write a string.

Parameters:

s - String to be written

Throws:

java.io.IOException - If an I/O error occurs

Overrides:

write in class java.io.Writer

flushBuffer

public void flushBuffer()
                 throws java.io.IOException

Flush the internal buffer

Throws:

java.io.IOException -

flush

public void flush()
           throws java.io.IOException

Flush the stream. If the stream has saved any characters from the various write() methods in a buffer, write them immediately to their intended destination. Then, if that destination is another character or byte stream, flush it. Thus one flush() invocation will flush all the buffers in a chain of Writers and OutputStreams.

Throws:

java.io.IOException - If an I/O error occurs

java.io.IOException -

Overrides:

flush in class java.io.Writer

close

public void close()
           throws java.io.IOException

Close the stream, flushing it first. Once a stream has been closed, further write() or flush() invocations will cause an IOException to be thrown. Closing a previously-closed stream, however, has no effect.

Throws:

java.io.IOException - If an I/O error occurs

java.io.IOException -

Overrides:

close in class java.io.Writer

getOutputStream

public java.io.OutputStream getOutputStream()

Get the output stream where the events will be serialized to.

Returns:

reference to the result stream, or null of only a writer was set.