Package org.apache.tools.ant.util

# Class NullOutputStream

java.lang.Object
java.io.OutputStream
org.apache.tools.ant.util.NullOutputStream

All Implemented Interfaces:
  `Closeable`, `Flushable`, `AutoCloseable`

public class NullOutputStream extends OutputStream
OutputStream that completely discards all data written to it.

Since:
  Ant 1.10.10

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static NullOutputStream`
  `INSTANCE`
  Shared instance which is safe to use concurrently as the stream doesn't hold any state at all.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `write​(byte[] b)`
  Doesn't do anything.
  `void`
  `write​(byte[] b, int off, int len)`
  Doesn't do anything.
  `void`
  `write​(int i)`
  Doesn't do anything.

  ### Methods inherited from class java.io.OutputStream

  `close, flush, nullOutputStream`

  ### Methods inherited from class java.lang.Object

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

- ## Field Details

  - ### INSTANCE

    public static NullOutputStream INSTANCE
    Shared instance which is safe to use concurrently as the stream doesn't hold any state at all.

- ## Method Details

  - ### write

    public void write​(byte[] b)
    Doesn't do anything.
    Overrides:
      `write` in class `OutputStream`

  - ### write

    public void write​(byte[] b, int off, int len)
    Doesn't do anything.
    Overrides:
      `write` in class `OutputStream`

  - ### write

    public void write​(int i)
    Doesn't do anything.
    Specified by:
      `write` in class `OutputStream`