Package org.apache.commons.io.output

Class NullOutputStream

java.lang.Object

java.io.OutputStream

org.apache.commons.io.output.NullOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class NullOutputStream
extends OutputStream

This OutputStream writes all data to the famous /dev/null.

This output stream has no destination (file/socket etc.) and all bytes written to it are ignored and lost.

Version:

$Id: NullOutputStream.java 1302056 2012-03-18 03:03:38Z ggregory $

Field Summary

Fields

Modifier and Type	Field	Description
static NullOutputStream	NULL_OUTPUT_STREAM	A singleton.

Constructor Summary

Constructors

Constructor	Description
NullOutputStream()

Method Summary

Modifier and Type	Method	Description
void	write(byte[] b)	Does nothing - output to /dev/null.
void	write(byte[] b, int off, int len)	Does nothing - output to /dev/null.
void	write(int b)	Does nothing - output to /dev/null.

Methods inherited from class java.lang.Object

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

Methods inherited from class java.io.OutputStream

close, flush

Field Detail

NULL_OUTPUT_STREAM

public static final NullOutputStream NULL_OUTPUT_STREAM

A singleton.

Constructor Detail

NullOutputStream

public NullOutputStream()

Method Detail

write

public void write(byte[] b,
                  int off,
                  int len)

Does nothing - output to /dev/null.

Overrides:

write in class OutputStream

Parameters:

b - The bytes to write

off - The start offset

len - The number of bytes to write

write

public void write(int b)

Does nothing - output to /dev/null.

Specified by:

write in class OutputStream

Parameters:

b - The byte to write

write

public void write(byte[] b)
           throws IOException

Does nothing - output to /dev/null.

Overrides:

write in class OutputStream

Parameters:

b - The bytes to write

Throws:

IOException - never