Module com.aoapps.lang

Package com.aoapps.lang.io

Class NullWriter

java.lang.Object

java.io.Writer

com.aoapps.lang.io.NullWriter

All Implemented Interfaces:

NoClose, Closeable, Flushable, Appendable, AutoCloseable

public final class NullWriter
extends Writer
implements NoClose

Discards all data.

Please consider Writer.nullWriter(), which more thoroughly enforces the contract of Writer.

Field Summary

Fields inherited from class java.io.Writer

lock

Method Summary

Modifier and Type	Method	Description
NullWriter	append(char c)
NullWriter	append(CharSequence csq)
NullWriter	append(CharSequence csq, int start, int end)
void	close()	Calls to close are ignored when NoClose.isNoClose(), otherwise some action might be taken which means close calls to this object may not be skipped or assumed to be ignored.
void	flush()
static NullWriter	getInstance()
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, toString, wait, wait, wait

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

isNoClose

Method Details

getInstance

public static NullWriter 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 NullWriter append(CharSequence csq)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

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

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

public NullWriter 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()

Description copied from interface: NoClose

Calls to close are ignored when NoClose.isNoClose(), otherwise some action might be taken which means close calls to this object may not be skipped or assumed to be ignored.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface NoClose

Specified by:

close in class Writer