org.apache.commons.io.input
Class ClosedInputStream

java.lang.Object
  java.io.InputStream
      org.apache.commons.io.input.ClosedInputStream

All Implemented Interfaces:

Closeable

public class ClosedInputStream
extends InputStream

Closed input stream. This stream returns -1 to all attempts to read something from the stream.

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

Since:

1.4

Version:

$Id: ClosedInputStream.java 1307459 2012-03-30 15:11:44Z ggregory $

Field Summary

static ClosedInputStream

CLOSED_INPUT_STREAM A singleton.

Constructor Summary

ClosedInputStream()

Method Summary

int	read() Returns -1 to indicate that the stream is closed.

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

CLOSED_INPUT_STREAM

public static final ClosedInputStream CLOSED_INPUT_STREAM

A singleton.

Constructor Detail

ClosedInputStream

public ClosedInputStream()

Method Detail

read

public int read()

Returns -1 to indicate that the stream is closed.

Specified by:

read in class InputStream

Returns:

always -1