org.kocakosm.pitaya.io

Class CountingInputStream

java.lang.Object

java.io.InputStream

org.kocakosm.pitaya.io.CountingInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public final class CountingInputStream
extends InputStream

A decorating InputStream that counts the number of bytes that have been read from the underlying stream. Bytes read multiple times are counted as many times as they have been read. Skipped bytes are not counted.

Author:

Osman KOCAK

Constructor Summary

Constructors

Constructor and Description
CountingInputStream(InputStream in) Creates a new CountingInputStream.

Method Summary

Methods

Modifier and Type	Method and Description
int	available()
void	close()
long	getCount() Returns the number of bytes that have been read from the underlying stream so far.
void	mark(int readLimit)
boolean	markSupported()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset()
long	resetCount() Sets the counter to 0 and returns its value before resetting it.
long	skip(long n)

Methods inherited from class java.lang.Object

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

Constructor Detail

CountingInputStream

public CountingInputStream(InputStream in)

Creates a new CountingInputStream.

Parameters:

in - the underlying stream.

Throws:

NullPointerException - if in is null.

Method Detail

getCount

public long getCount()

Returns the number of bytes that have been read from the underlying stream so far.

Returns:

the number of bytes that have been read so far.

resetCount

public long resetCount()

Sets the counter to 0 and returns its value before resetting it.

Returns:

the number of bytes that have been read so far.

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class InputStream

Throws:

IOException

mark

public void mark(int readLimit)

Overrides:

mark in class InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

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

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException