org.apache.commons.io.output

类 ClosedOutputStream

java.lang.Object

java.io.OutputStream

org.apache.commons.io.output.ClosedOutputStream

所有已实现的接口:

Closeable, Flushable, AutoCloseable

public class ClosedOutputStream
extends OutputStream

Closed output stream. This stream throws an exception on all attempts to write something to the stream.

Typically uses of this class include testing for corner cases in methods that accept an output stream and acting as a sentinel value instead of a null output stream.

从以下版本开始:

1.4

字段概要

字段

限定符和类型	字段和说明
static ClosedOutputStream	CLOSED_OUTPUT_STREAM A singleton.

构造器概要

构造器

构造器和说明
ClosedOutputStream()

方法概要

限定符和类型	方法和说明
void	write(int b) Throws an IOException to indicate that the stream is closed.

从类继承的方法 java.io.OutputStream

close, flush, write, write

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

CLOSED_OUTPUT_STREAM

public static final ClosedOutputStream CLOSED_OUTPUT_STREAM

A singleton.

构造器详细资料

ClosedOutputStream

public ClosedOutputStream()

方法详细资料

write

public void write(int b)
           throws IOException

Throws an IOException to indicate that the stream is closed.

指定者:

write 在类中 OutputStream

参数:

b - ignored

抛出:

IOException - always thrown