Package org.jmrtd.lds

Class DisplayedImageDataGroup

java.lang.Object

org.jmrtd.lds.AbstractTaggedLDSFile

org.jmrtd.lds.DataGroup

org.jmrtd.lds.DisplayedImageDataGroup

All Implemented Interfaces:

Serializable, LDSElement, LDSFile

Direct Known Subclasses:

DG5File, DG6File, DG7File

public abstract class DisplayedImageDataGroup
extends DataGroup

File structure image template files that can be displayed. Abstract super class for ICAO LDS EF_DG5 - EF_DG7.

Version:

$Revision: 1775 $

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

Constructor	Description
DisplayedImageDataGroup(int dataGroupTag, InputStream inputStream)	Constructs a displayed image data group from binary representation.
DisplayedImageDataGroup(int dataGroupTag, List<DisplayedImageInfo> imageInfos, int displayedImageTagToUse)	Constructs a displayed image data group from a list of displayed images.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
byte[]	getEncoded()	Returns the contents of this file as byte array, includes the ICAO tag and length.
List<DisplayedImageInfo>	getImages()	Gets the image infos.
int	hashCode()
protected void	readContent(InputStream inputStream)	Reads the contents of the data group from an input stream.
String	toString()	Gets a textual representation of this file.
protected void	writeContent(OutputStream outputStream)	Writes the contents of this structure to a stream.

Methods inherited from class org.jmrtd.lds.AbstractTaggedLDSFile

getLength, getTag, readObject, writeObject

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DisplayedImageDataGroup

public DisplayedImageDataGroup(int dataGroupTag,
                               List<DisplayedImageInfo> imageInfos,
                               int displayedImageTagToUse)

Constructs a displayed image data group from a list of displayed images. The list should not be null or contain null valued displayed images.

Parameters:

dataGroupTag - a tag indicating DG5, DG6, or DG7

imageInfos - a list of displayed images

displayedImageTagToUse - a tag indicating Portrait or Signature or mark

DisplayedImageDataGroup

public DisplayedImageDataGroup(int dataGroupTag,
                               InputStream inputStream)
                        throws IOException

Constructs a displayed image data group from binary representation.

Parameters:

dataGroupTag - a tag indicating DG5, DG6, or DG7

inputStream - an input stream

Throws:

IOException - on error reading the input stream

Method Detail

readContent

protected void readContent(InputStream inputStream)
                    throws IOException

Description copied from class: AbstractTaggedLDSFile

Reads the contents of the data group from an input stream. Client code implementing this method should only read the contents from the input stream, not the tag or length of the data group.

Specified by:

readContent in class AbstractTaggedLDSFile

Parameters:

inputStream - the input stream to read from

Throws:

IOException - on error reading from input stream

writeContent

protected void writeContent(OutputStream outputStream)
                     throws IOException

Writes the contents of this structure to a stream.

Specified by:

writeContent in class AbstractTaggedLDSFile

Parameters:

outputStream - the stream to write to

Throws:

IOException - on error writing to the stream

toString

public String toString()

Description copied from class: DataGroup

Gets a textual representation of this file.

Overrides:

toString in class DataGroup

Returns:

a textual representation of this file

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object

getImages

public List<DisplayedImageInfo> getImages()

Gets the image infos.

Returns:

images

getEncoded

public byte[] getEncoded()

Returns 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