Securing Java ME Applications - Beginning Java ME Platform - page 425

Table 15-1. Symbologies Typically S upported by the Contactless Communication API

Symbology Name Body Responsible for the Standard

aztec-code

ANSI/AIM B13 ITS/97/002

code-16k

ANSI/AIM BC7/1995

code-39

ANSI/AIM BCI-1995, ISO/IEC 16388

code-49

ANSI/AIM BC6-1995

code-93

ANSI/AIM BC5-1995

code-128

ANSI/AIM BC4-1999, ISO/IEC 15417

codebar

ANSI/AIM BC3-1995

data-matrix

ISO/IEC 16022

ean-upc

ISO/IEC 15420

interleaved-2-of-5

ANSI/AIM BC2-1995, ISO/IEC 16390

maxicode

ANSI/AIM BC10, ISO/IEC 16023

pdf417

ISO/IEC 15438

qr-code

AIM ITS/97/001, ISO/IEC 18004

Listing 15-12 shows a class that encapsulates the encoding and decoding of QR Codes.

Listing 15-12. Encoding and Decoding QR Codes

import java.io.IOException;
import javax.microedition.lcdui.*;
import javax.microedition.io.Connector;
import javax.microedition.contactless.ContactlessException;
import javax.microedition.contactless.visual.*;

public class ProcessVisualTag {
private final String sym ="qr-code";
private Class imageClass;
private byte[] data;
private Image image;

public ProcessVisualTag(Object im) {
image = (Image)im;
imageClass = im.getClass();
decode();

}