Module com.aoapps.io.buffer

Package com.aoapps.io.buffer

Class NullBufferWriter

java.lang.Object

java.io.Writer

com.aoapps.io.buffer.BufferWriter

com.aoapps.io.buffer.NullBufferWriter

All Implemented Interfaces:

NoClose, Closeable, Flushable, Appendable, AutoCloseable

public final class NullBufferWriter
extends BufferWriter
implements NoClose

Discards everything. Not a proper buffer but useful to time the overhead of calling the buffers.

Author:

AO Industries, Inc.

Field Summary

Fields inherited from class java.io.Writer

lock

Method Summary

Modifier and Type	Method	Description
NullBufferWriter	append(char c)
NullBufferWriter	append(CharSequence csq)
NullBufferWriter	append(CharSequence csq, int start, int end)
void	close()
void	flush()
static NullBufferWriter	getInstance()
long	getLength()	Gets the number of characters in this buffer.
EmptyResult	getResult()	Gets the result from this buffer.
String	toString()	Gets a short message (like type and length).
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)

Methods inherited from class java.io.Writer

nullWriter

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.aoapps.lang.io.NoClose

isNoClose

Method Details

getInstance

public static NullBufferWriter getInstance()

write

public void write(int c)

Overrides:

write in class Writer

write

public void write(char[] cbuf)

Overrides:

write in class Writer

write

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

Specified by:

write in class Writer

write

public void write(String str)

Overrides:

write in class Writer

write

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

Overrides:

write in class Writer

append

public NullBufferWriter append(CharSequence csq)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

public NullBufferWriter append(CharSequence csq,
 int start,
 int end)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

public NullBufferWriter append(char c)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

flush

public void flush()

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface NoClose

Specified by:

close in class Writer

getLength

public long getLength()

Description copied from class: BufferWriter

Gets the number of characters in this buffer. Once closed, this length will not be modified.

Specified by:

getLength in class BufferWriter

toString

public String toString()

Description copied from class: BufferWriter

Gets a short message (like type and length).

Specified by:

toString in class BufferWriter

See Also:

• To get access to the buffered content.

getResult

public EmptyResult getResult()

Description copied from class: BufferWriter

Gets the result from this buffer. The buffer must be closed.

Note: Although the BufferWriter are generally not thread-safe, the BufferResult is thread-safe. It is expected to commonly create a buffer on one thread, but the be able to safely share the result among many threads.

Specified by:

getResult in class BufferWriter