org.apache.commons.io.output

类 NullOutputStream

java.lang.Object

java.io.OutputStream

org.apache.commons.io.output.NullOutputStream

所有已实现的接口:

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.

字段概要

字段

限定符和类型	字段和说明
static NullOutputStream	NULL_OUTPUT_STREAM A singleton.

构造器概要

构造器

构造器和说明
NullOutputStream()

方法概要

限定符和类型	方法和说明
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.

从类继承的方法 java.io.OutputStream

close, flush

从类继承的方法 java.lang.Object

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

字段详细资料

NULL_OUTPUT_STREAM

public static final NullOutputStream NULL_OUTPUT_STREAM

A singleton.

构造器详细资料

NullOutputStream

public NullOutputStream()

方法详细资料

write

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

Does nothing - output to /dev/null.

覆盖:

write 在类中 OutputStream

参数:

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.

指定者:

write 在类中 OutputStream

参数:

b - The byte to write

write

public void write(byte[] b)
           throws IOException

Does nothing - output to /dev/null.

覆盖:

write 在类中 OutputStream

参数:

b - The bytes to write

抛出:

IOException - never