org.jmrtd.lds
Class DataGroup

java.lang.Object
  org.jmrtd.lds.PassportFile
      org.jmrtd.lds.DataGroup

Direct Known Subclasses:

DG11File, DG12File, DG14File, DG15File, DG1File, DG2File, DG3File, DG4File, DG5File, DG6File, DG7File

public abstract class DataGroup
extends PassportFile

Super class for data group files.

Version:

$Revision: 1208 $

Author:

Martijn Oostdijk (martijn.oostdijk@gmail.com)

Field Summary

Fields inherited from class org.jmrtd.lds.PassportFile

EF_COM_TAG, EF_DG1_TAG, EF_DG10_TAG, EF_DG11_TAG, EF_DG12_TAG, EF_DG13_TAG, EF_DG14_TAG, EF_DG15_TAG, EF_DG16_TAG, EF_DG2_TAG, EF_DG3_TAG, EF_DG4_TAG, EF_DG5_TAG, EF_DG6_TAG, EF_DG7_TAG, EF_DG8_TAG, EF_DG9_TAG, EF_SOD_TAG

Constructor Summary

protected

DataGroup(InputStream in) Constructs a datagroup from the DER encoded data in the given input stream.

Method Summary

abstract byte[]	getEncoded() Gets the contents of this file as byte array, includes the ICAO tag and length.
int	getLength() The length of the value of the data group.
int	getTag() The data group tag.
String	toString() Gets a textual representation of this file.

Methods inherited from class org.jmrtd.lds.PassportFile

createPassportFile, lookupDataGroupNumberByTag, lookupFIDByDataGroupNumber, lookupFIDByTag, lookupTagByDataGroupNumber, lookupTagByFID, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DataGroup

protected DataGroup(InputStream in)

Constructs a datagroup from the DER encoded data in the given input stream. Tag and length are read, so the input stream is positioned just before the value.

Parameters:

in - an input stream

Method Detail

getEncoded

public abstract byte[] getEncoded()

Description copied from class: PassportFile

Gets the contents of this file as byte array, includes the ICAO tag and length.

Specified by:

getEncoded in class PassportFile

Returns:

a byte array containing the file

toString

public String toString()

Gets a textual representation of this file.

Overrides:

toString in class Object

Returns:

a textual representation of this file

getTag

public int getTag()

The data group tag.

Returns:

the tag of the data group

getLength

public int getLength()

The length of the value of the data group.

Returns:

the length of the value of the data group