uk.ac.starlink.util

Class CountInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

uk.ac.starlink.util.CountInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class CountInputStream
extends FilterInputStream

Filter input stream that counts the number of bytes read.

Since:

9 May 2014

Author:

Mark Taylor

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
CountInputStream(InputStream in) Constructor.

Method Summary

Modifier and Type	Method and Description
long	getReadCount() Returns the number of bytes successfully read so far from this stream.
long	getSkipCount() Returns the number of bytes skipped from this stream.
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
long	skip(long n)

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, reset

Methods inherited from class java.lang.Object

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

Constructor Detail

CountInputStream

public CountInputStream(InputStream in)

Constructor.

Parameters:

in - base input stream

Method Detail

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

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

Overrides:

read in class FilterInputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class FilterInputStream

Throws:

IOException

getReadCount

public long getReadCount()

Returns the number of bytes successfully read so far from this stream.

Returns:

number of bytes read

getSkipCount

public long getSkipCount()

Returns the number of bytes skipped from this stream.

Returns:

number of bytes skipped