com.Ostermiller.util
Class CircularCharBuffer.CircularCharBufferWriter

java.lang.Object
  java.io.Writer
      com.Ostermiller.util.CircularCharBuffer.CircularCharBufferWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable

Enclosing class:

CircularCharBuffer

protected class CircularCharBuffer.CircularCharBufferWriter
extends Writer

Class for writing to a circular character buffer. If the buffer is full, the writes will either block until there is some space available or throw an IOException based on the CircularCharBuffer's preference.

Since:

ostermillerutils 1.00.00

Field Summary

Fields inherited from class java.io.Writer

lock

Constructor Summary

protected

CircularCharBuffer.CircularCharBufferWriter()

Method Summary

void	close() Close the stream, flushing it first.
void	flush() Flush the stream.
void	write(char[] cbuf) Write an array of characters.
void	write(char[] cbuf, int off, int len) Write a portion of an array of characters.
void	write(int c) Write a single character.
void	write(String str) Write a string.
void	write(String str, int off, int len) Write a portion of a string.

Methods inherited from class java.io.Writer

append, append, append

Methods inherited from class java.lang.Object

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

Constructor Detail

CircularCharBuffer.CircularCharBufferWriter

protected CircularCharBuffer.CircularCharBufferWriter()

Method Detail

close

public void close()
           throws IOException

Close the stream, flushing it first. This will cause the reader associated with this circular buffer to read its last characters once it empties the buffer. 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.

Specified by:

close in interface Closeable

Specified by:

close in class Writer

Throws:

IOException - never.

Since:

ostermillerutils 1.00.00

flush

public void flush()
           throws IOException

Flush the stream.

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

Throws:

IOException - if the stream is closed.

Since:

ostermillerutils 1.00.00

write

public void write(char[] cbuf)
           throws IOException

Write an array of characters. If the buffer allows blocking writes, this method will block until all the data has been written rather than throw an IOException.

Overrides:

write in class Writer

Parameters:

cbuf - Array of characters to be written

Throws:

BufferOverflowException - if buffer does not allow blocking writes and the buffer is full. If the exception is thrown, no data will have been written since the buffer was set to be non-blocking.

IOException - if the stream is closed, or the write is interrupted.

Since:

ostermillerutils 1.00.00

write

public void write(char[] cbuf,
                  int off,
                  int len)
           throws IOException

Write a portion of an array of characters. If the buffer allows blocking writes, this method will block until all the data has been written rather than throw an IOException.

Specified by:

write in class Writer

Parameters:

cbuf - Array of characters

off - Offset from which to start writing characters

len - - Number of characters to write

Throws:

BufferOverflowException - if buffer does not allow blocking writes and the buffer is full. If the exception is thrown, no data will have been written since the buffer was set to be non-blocking.

IOException - if the stream is closed, or the write is interrupted.

Since:

ostermillerutils 1.00.00

write

public void write(int c)
           throws 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. If the buffer allows blocking writes, this method will block until all the data has been written rather than throw an IOException.

Overrides:

write in class Writer

Parameters:

c - number of characters to be written

Throws:

BufferOverflowException - if buffer does not allow blocking writes and the buffer is full.

IOException - if the stream is closed, or the write is interrupted.

Since:

ostermillerutils 1.00.00

write

public void write(String str)
           throws IOException

Write a string. If the buffer allows blocking writes, this method will block until all the data has been written rather than throw an IOException.

Overrides:

write in class Writer

Parameters:

str - String to be written

Throws:

BufferOverflowException - if buffer does not allow blocking writes and the buffer is full. If the exception is thrown, no data will have been written since the buffer was set to be non-blocking.

IOException - if the stream is closed, or the write is interrupted.

Since:

ostermillerutils 1.00.00

write

public void write(String str,
                  int off,
                  int len)
           throws IOException

Write a portion of a string. If the buffer allows blocking writes, this method will block until all the data has been written rather than throw an IOException.

Overrides:

write in class Writer

Parameters:

str - A String

off - Offset from which to start writing characters

len - Number of characters to write

Throws:

BufferOverflowException - if buffer does not allow blocking writes and the buffer is full. If the exception is thrown, no data will have been written since the buffer was set to be non-blocking.

IOException - if the stream is closed, or the write is interrupted.

Since:

ostermillerutils 1.00.00