Package com.saperion.common.io

Class CountingInputStream

java.lang.Object

java.io.InputStream

com.saperion.common.io.CountingInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class CountingInputStream
extends InputStream

This InputStream counts the number of bytes read (or skipped) to determine the length of stream while streaming.

Author:

jschwarz

Constructor Summary

Constructors

Constructor	Description
CountingInputStream(InputStream delegate)	This constructor creates a new CountingInputStream that counts the bytes in the stream given.

Method Summary

Modifier and Type	Method	Description
int	available()
void	close()
long	getNumberOfBytes()	This method returns the number of bytes read from the 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	skip(long n)

Methods inherited from class java.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

CountingInputStream

public CountingInputStream(InputStream delegate)

This constructor creates a new CountingInputStream that counts the bytes in the stream given.

Parameters:

delegate - the InputStreams whose bytes are to count

Method Details

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 AutoCloseable

Specified by:

close in interface Closeable

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

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

getNumberOfBytes

public long getNumberOfBytes()

This method returns the number of bytes read from the stream so far.

Returns:

the number of bytes read from the stream so far