de.esprit.common.io

Class CountingInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

de.esprit.common.io.CountingInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class CountingInputStream
extends java.io.FilterInputStream

This stream just counts the bytes that pass through it.

Author:

Rainer Buesch

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
CountingInputStream(java.io.InputStream in)

Method Summary

Methods

Modifier and Type	Method and Description
long	getByteCount()
int	read()
int	read(byte[] buffer, int offset, int length) Note: we must not override the read(byte[] buffer) method!
long	resetByteCount()
long	skip(long length)

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset

Methods inherited from class java.lang.Object

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

Constructor Detail

CountingInputStream

public CountingInputStream(java.io.InputStream in)

Method Detail

read

public int read(byte[] buffer,
       int offset,
       int length)
         throws java.io.IOException

Note: we must not override the read(byte[] buffer) method! This would lead in counting twice.

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

skip

public long skip(long length)
          throws java.io.IOException

Overrides:

skip in class java.io.FilterInputStream

Throws:

java.io.IOException

getByteCount

public long getByteCount()

resetByteCount

public long resetByteCount()