jp.co.ricoh.dsdk.scard.option.file
Interface FileInfo

public interface FileInfo

Provides information about the structure of a file.

Method Summary

byte[]	getHeader() Returns the file header.
FileID	getID() Gets the FileID object.
int	getRecordSize() Gets the size of a record of the file.
int	getSize() Gets the number of bytes in the file.
boolean	isBinary() Tests whether the file is a binary file.
boolean	isCyclic() Tests whether the file is a cyclic file.
boolean	isDirectory() Tests whether the file is a DF.
boolean	isFixed() Tests whether the file is a fixed record file.
boolean	isValidate() Tests whether the card is valid.
boolean	isVariable() Tests whether the file is a variable record file.

Method Detail

getID

public FileID getID()

Gets the FileID object.

Returns:

the FileID object.

getSize

public int getSize()

Gets the number of bytes in the file.

Returns:

the number of bytes in the file.

getRecordSize

public int getRecordSize()

Gets the size of a record of the file.

Returns:

the size of a record of the file.

isCyclic

public boolean isCyclic()

Tests whether the file is a cyclic file.

Returns:

true if the file is a cyclic file.

isDirectory

public boolean isDirectory()

Tests whether the file is a DF.

Returns:

true if the file is a DF.

isBinary

public boolean isBinary()

Tests whether the file is a binary file.

Returns:

true if the file is a binary file.

isVariable

public boolean isVariable()

Tests whether the file is a variable record file.

Returns:

true if the file is a structured file with variable record size.

getHeader

public byte[] getHeader()

Returns the file header. This method actually returns the card's response (or expected response) to a selection of the file.

Returns:

the file header, or null if not supported.

isValidate

public boolean isValidate()

Tests whether the card is valid.

Returns:

true if the card is valid.

isFixed

public boolean isFixed()

Tests whether the file is a fixed record file.

Returns:

when this file is a fixed record file, return true.