Package de.undercouch.bson4jackson.io

Class CountingInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

de.undercouch.bson4jackson.io.CountingInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class CountingInputStream
extends FilterInputStream

Reads from another input stream, but counts the number of bytes read or skipped (i.e. saves the current buffer position).

Field Summary

Fields

Modifier and Type	Field	Description
protected int	_markpos	The position in the buffer the last time mark(int) was called
protected int	_pos	The current buffer position

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor	Description
CountingInputStream(InputStream in)

Method Summary

Modifier and Type	Method	Description
int	getPosition()
void	mark(int readlimit)
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.FilterInputStream

available, close, markSupported

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

Field Details

_pos

protected int _pos

The current buffer position

_markpos

protected int _markpos

The position in the buffer the last time mark(int) was called

Constructor Details

CountingInputStream

public CountingInputStream(InputStream in)

See Also:

• FilterInputStream(InputStream)

Method Details

getPosition

public int getPosition()

Returns:

the number of bytes read or skipped

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

mark

public void mark(int readlimit)

Overrides:

mark in class FilterInputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class FilterInputStream

Throws:

IOException