Package org.apache.tools.ant.util

Class KeepAliveInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    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

      Constructors 
      Constructor Description
      KeepAliveInputStream​(java.io.InputStream in)
      Constructor of KeepAliveInputStream.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      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.io.InputStream

        nullInputStream, readAllBytes, readNBytes, readNBytes, transferTo

      • 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.lang.AutoCloseable
        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.
        Returns:
        InputStream
        Since:
        Ant 1.8.0