net.sourceforge.scuba.smartcards
Class AbstractFileSystemStructured

java.lang.Object
  net.sourceforge.scuba.smartcards.AbstractFileSystemStructured

All Implemented Interfaces:

FileSystemStructured

public abstract class AbstractFileSystemStructured
extends Object
implements FileSystemStructured

This class implements some basic file selection / reading / writing routines from the ISO7816-4 standard. TODO: Work in heavy progress

Author:

woj

Field Summary

static short

MF_ID

Constructor Summary

AbstractFileSystemStructured(CardService service)

AbstractFileSystemStructured(CardService service, boolean fileInfo)

Method Summary

int	getFileLength()
short	getSelectedFID()
byte[]	readBinary(int offset, int length) Reads a fragment of the currently selected file.
void	selectAID(byte[] aid)
void	selectDFRelative(short fid)
void	selectEFRelative(short fid)
void	selectFile(short fid) Selects a file.
void	selectMF()
void	selectParent()
void	selectPath(byte[] path)
void	selectPathRelative(byte[] path)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sourceforge.scuba.smartcards.FileSystemStructured

getSelectedPath

Field Detail

MF_ID

public static short MF_ID

Constructor Detail

AbstractFileSystemStructured

public AbstractFileSystemStructured(CardService service)

AbstractFileSystemStructured

public AbstractFileSystemStructured(CardService service,
                                    boolean fileInfo)

Method Detail

getFileLength

public int getFileLength()
                  throws CardServiceException

Throws:

CardServiceException

getSelectedFID

public short getSelectedFID()

readBinary

public byte[] readBinary(int offset,
                         int length)
                  throws CardServiceException

Description copied from interface: FileSystemStructured

Reads a fragment of the currently selected file.

Specified by:

readBinary in interface FileSystemStructured

Parameters:

offset - offset

length - the number of bytes to read (the result may be shorter, though)

Returns:

contents of currently selected file, contains at least 1 byte, at most length.

Throws:

CardServiceException - on error (for instance: end of file)

selectFile

public void selectFile(short fid)
                throws CardServiceException

Description copied from interface: FileSystemStructured

Selects a file.

Specified by:

selectFile in interface FileSystemStructured

Parameters:

fid - indicates which file to select

Throws:

CardServiceException - in case of error

selectMF

public void selectMF()
              throws CardServiceException

Throws:

CardServiceException

selectParent

public void selectParent()
                  throws CardServiceException

Throws:

CardServiceException

selectEFRelative

public void selectEFRelative(short fid)
                      throws CardServiceException

Throws:

CardServiceException

selectDFRelative

public void selectDFRelative(short fid)
                      throws CardServiceException

Throws:

CardServiceException

selectAID

public void selectAID(byte[] aid)
               throws CardServiceException

Throws:

CardServiceException

selectPath

public void selectPath(byte[] path)
                throws CardServiceException

Throws:

CardServiceException

selectPathRelative

public void selectPathRelative(byte[] path)
                        throws CardServiceException

Throws:

CardServiceException