edu.sxccal.utilities

Class QRCode

java.lang.Object

edu.sxccal.utilities.QRCode

public class QRCode
extends Object

Generates the QRCode image

Since:

1.0

See Also:

Zxing

Constructor Summary

Constructors

Constructor and Description
QRCode()

Method Summary

Modifier and Type	Method and Description
static void	createQRCode(String data, String file, Map<EncodeHintType,ErrorCorrectionLevel> hint_map, int qrh, int qrw) Generates QRCode.png
static String	gen_qrcode(String[] args)
static String	read_from_file(String s) Reads bytes from input file and encodes in Base64 BarcodeFormat

Methods inherited from class java.lang.Object

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

Constructor Detail

QRCode

public QRCode()

Method Detail

gen_qrcode

public static String gen_qrcode(String[] args)
                         throws Exception

Parameters:

args - Input arguments where

args[0] is the path to Result.zip and args[1] is the output directory to store QRCode.png

Returns:

Path to QRCode.png

Throws:

Exception

read_from_file

public static String read_from_file(String s)
                             throws IOException

Reads bytes from input file and encodes in Base64 BarcodeFormat

Parameters:

s - Input file path

Returns:

Base64 encoded String

Throws:

IOException

createQRCode

public static void createQRCode(String data,
                                String file,
                                Map<EncodeHintType,ErrorCorrectionLevel> hint_map,
                                int qrh,
                                int qrw)
                         throws WriterException,
                                IOException

Generates QRCode.png

Parameters:

data - String to be encoded in QRCode

file - Output file path

hint_map - hints used by QRCodeWriter for efficiency

qrh - Height of QRCode.png

qrw - Width of QRCode.png

Throws:

WriterException - generally if input data is too big

IOException