org.apache.commons.io.input
Class CountingInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          org.apache.commons.io.input.ProxyInputStream
              org.apache.commons.io.input.CountingInputStream

public class CountingInputStream

extends ProxyInputStream

Used in debugging, it counts the number of bytes that pass through it.

Version:

$Id: CountingInputStream.java,v 1.9 2004/06/13 05:35:44 bayard Exp $

Author:

Henri Yandell

Field Summary

private int

count

Fields inherited from class org.apache.commons.io.input.ProxyInputStream

Fields inherited from class java.io.FilterInputStream

in

Fields inherited from class java.io.InputStream

Constructor Summary

CountingInputStream(java.io.InputStream in)
Constructs a new CountingInputStream.

Method Summary

int	getCount() The number of bytes that have passed through this stream.
int	read() Increases the count by 1.
int	read(byte[] b) Increases the count by super.read(b)'s return count
int	read(byte[] b, int off, int len) Increases the count by super.read(b, off, len)'s return count
int	resetCount() Set the count back to 0.

Methods inherited from class org.apache.commons.io.input.ProxyInputStream

available, close, mark, markSupported, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

count

private int count

Constructor Detail

CountingInputStream

public CountingInputStream(java.io.InputStream in)

Constructs a new CountingInputStream.

Parameters:

in - InputStream to delegate to

Method Detail

read

public int read(byte[] b)
         throws java.io.IOException

Increases the count by super.read(b)'s return count

Overrides:

read in class ProxyInputStream

Throws:

java.io.IOException

See Also:

InputStream.read(byte[])

read

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

Increases the count by super.read(b, off, len)'s return count

Overrides:

read in class ProxyInputStream

Throws:

java.io.IOException

See Also:

InputStream.read(byte[], int, int)

read

public int read()
         throws java.io.IOException

Increases the count by 1.

Overrides:

read in class ProxyInputStream

Throws:

java.io.IOException

See Also:

InputStream.read()

getCount

public int getCount()

The number of bytes that have passed through this stream.

Returns:

the number of bytes accumulated

resetCount

public int resetCount()

Set the count back to 0.

Returns:

the count previous to resetting.