Package org.jmrtd.io

Class PositionInputStream

java.lang.Object

java.io.InputStream

org.jmrtd.io.PositionInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class PositionInputStream
extends InputStream

A stream that decorates an existing stream and keeps track of the current position.

Version:

$Revision: 1763 $

Author:

The JMRTD team ([email protected])

Constructor Summary

Constructors

Constructor	Description
PositionInputStream(InputStream carrier)	Constructs a position input stream by decorating an existing input stream.

Method Summary

Modifier and Type	Method	Description
long	getPosition()	Returns the position within the input stream.
void	mark(int readLimit)
boolean	markSupported()
int	read()
int	read(byte[] dest)
int	read(byte[] dest, int offset, int length)
void	reset()
long	skip(long n)

Methods inherited from class java.io.InputStream

available, close, readAllBytes, readNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Detail

PositionInputStream

public PositionInputStream(InputStream carrier)

Constructs a position input stream by decorating an existing input stream.

Parameters:

carrier - the existing input stream

Method Detail

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] dest)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] dest,
                int offset,
                int length)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip 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

getPosition

public long getPosition()

Returns the position within the input stream.

Returns:

the position within the input stream