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## 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:
  Commons IO 1.4
Version:
  $Id: ClosedInputStream.java 659817 2008-05-24 13:23:10Z niallp $

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

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