org.jmrtd.lds

Class DataGroup

java.lang.Object

org.jmrtd.lds.AbstractTaggedLDSFile

org.jmrtd.lds.DataGroup

All Implemented Interfaces:

Serializable, LDSElement, LDSFile

Direct Known Subclasses:

CBEFFDataGroup, DG11File, DG12File, DG14File, DG15File, DG1File, DisplayedImageDataGroup

public abstract class DataGroup
extends AbstractTaggedLDSFile

Base class for data group files.

Version:

$Revision: 1613 $

Author:

The JMRTD team ([email protected])

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.jmrtd.lds.LDSFile

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

Constructors

Modifier	Constructor and Description
protected	DataGroup(int dataGroupTag) Constructs a data group.
protected	DataGroup(int dataGroupTag, InputStream inputStream) Constructs a data group from the DER encoded data in the given input stream.

Method Summary

Modifier and Type	Method and Description
byte[]	getEncoded() Gets the contents of this file as byte array, includes the ICAO tag and length.
String	toString() Gets a textual representation of this file.

Methods inherited from class org.jmrtd.lds.AbstractTaggedLDSFile

getLength, getTag, readContent, readObject, writeContent, writeObject

Methods inherited from class java.lang.Object

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

Constructor Detail

DataGroup

protected DataGroup(int dataGroupTag)

Constructs a data group. This constructor is only visible to the other classes in this package.

Parameters:

dataGroupTag - data group tag

DataGroup

protected DataGroup(int dataGroupTag,
                    InputStream inputStream)
             throws IOException

Constructs a data group 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:

dataGroupTag - data group tag

inputStream - an input stream

Throws:

IOException - on error reading input stream

Method Detail

toString

public String toString()

Gets a textual representation of this file.

Overrides:

toString in class AbstractTaggedLDSFile

Returns:

a textual representation of this file

getEncoded

public byte[] getEncoded()

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

Specified by:

getEncoded in interface LDSElement

Returns:

a byte array containing the file