com.asakusafw.runtime.directio.util

Class CountInputStream

java.lang.Object

java.io.InputStream

com.asakusafw.runtime.directio.util.CountInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class CountInputStream
extends InputStream

InputStream with counting bytes to be read.

Since:

0.2.5

Constructor Summary

Constructors

Constructor and Description
CountInputStream(InputStream target, Counter counter) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
long	getCount() Returns the count since have read bytes.
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)

Methods inherited from class java.lang.Object

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

Constructor Detail

CountInputStream

public CountInputStream(InputStream target,
                        Counter counter)

Creates a new instance.

Parameters:

target - target stream to be measured

counter - target bytes counter

Throws:

IllegalArgumentException - if some parameters were null

Method Detail

getCount

public long getCount()

Returns the count since have read bytes.

Returns:

the count

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

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

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

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream