Class TailInputStream

java.lang.Object

java.io.InputStream

com.carrotsearch.ant.tasks.junit4.TailInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

class TailInputStream
extends InputStream

An input stream that tails from a random access file as new input appears there. It's a lousy solution but we don't have access to real interprocess pipes from Java.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	closed
private RandomAccessFile	raf
private static final long	TAIL_CHECK_DELAY	How long to sleep (millis) before checking for updates?

Constructor Summary

Constructors

Constructor	Description
TailInputStream(Path file)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	markSupported()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)

Methods inherited from class InputStream

available, mark, reset, skip

Methods inherited from class Object

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

Field Details

TAIL_CHECK_DELAY

private static final long TAIL_CHECK_DELAY

How long to sleep (millis) before checking for updates?

See Also:

• Constant Field Values

raf

private RandomAccessFile raf

closed

private volatile boolean closed

Constructor Details

TailInputStream

public TailInputStream(Path file)
                throws FileNotFoundException

Throws:

FileNotFoundException

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b,
 int off,
 int len)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException