## org.apache.tools.ant.util
Class KeepAliveInputStream

    java.lang.Object
      java.io.InputStream
          java.io.FilterInputStream
              org.apache.tools.ant.util.KeepAliveInputStream

All Implemented Interfaces:
  java.io.Closeable

    public class KeepAliveInputStream

extends java.io.FilterInputStream

Class that can be used to wrap `System.in` without getting anxious about any client closing the stream.

In code-language it means that it is not necessary to do:

     if (out != System.in) {
       in.close();
     }

Since:
  Ant 1.6

Field Summary

Fields inherited from class java.io.FilterInputStream
`in`

Constructor Summary
`KeepAliveInputStream(java.io.InputStream in)` Constructor of KeepAliveInputStream.

Method Summary
`void` `close()` This method does nothing.
`static java.io.InputStream` `wrapSystemIn()` Convenience factory method that returns a non-closing InputStream around System.in.

Methods inherited from class java.io.FilterInputStream
`available, mark, markSupported, read, read, read, reset, skip`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### KeepAliveInputStream

    public KeepAliveInputStream(java.io.InputStream in)

  Constructor of KeepAliveInputStream.

  Parameters:
    `in` - an InputStream value, it should be standard input.

Method Detail

### close

    public void close()
               throws java.io.IOException

  This method does nothing.

  Specified by:
    `close` in interface `java.io.Closeable`
  Overrides:
    `close` in class `java.io.FilterInputStream`
  Throws:
    `java.io.IOException` - as we are overriding FilterInputStream.

### wrapSystemIn

    public static java.io.InputStream wrapSystemIn()

  Convenience factory method that returns a non-closing InputStream around System.in.

  Since:
    Ant 1.8.0