Package 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:

Closeable, AutoCloseable

public class KeepAliveInputStream
extends 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

Constructors

Constructor	Description
KeepAliveInputStream(InputStream in)	Constructor of KeepAliveInputStream.

Method Summary

Modifier and Type	Method	Description
void	close()	This method does nothing.
static 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.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

KeepAliveInputStream

public KeepAliveInputStream(InputStream in)

Constructor of KeepAliveInputStream.

Parameters:

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

Method Details

close

public void close()
           throws IOException

This method does nothing.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class FilterInputStream

Throws:

IOException - as we are overriding FilterInputStream.

wrapSystemIn

public static InputStream wrapSystemIn()

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

Returns:

InputStream

Since:

Ant 1.8.0