Package se.digg.dgc.encoding.impl

Class DefaultBarcodeDecoder

java.lang.Object

se.digg.dgc.encoding.impl.DefaultBarcodeDecoder

All Implemented Interfaces:

BarcodeDecoder

public class DefaultBarcodeDecoder
extends Object
implements BarcodeDecoder

Default implementation of the BarcodeDecoder interface using the ZXing library.

Author:

Martin Lindström (martin@idsec.se), Henrik Bengtsson (extern.henrik.bengtsson@digg.se), Henric Norlander (extern.henric.norlander@digg.se)

Constructor Summary

Constructors

Constructor	Description
DefaultBarcodeDecoder()

Method Summary

Modifier and Type	Method	Description
byte[]	decode(byte[] image, Barcode.BarcodeType type)	Locates the barcode in the supplied image and decodes it.
String	decodeToString(byte[] image, Barcode.BarcodeType type, Charset characterSet)	Locates the barcode in the supplied image and decodes it into a string of the given character set.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultBarcodeDecoder

public DefaultBarcodeDecoder()

Method Detail

decode

public byte[] decode(byte[] image,
                     Barcode.BarcodeType type)
              throws BarcodeException

Locates the barcode in the supplied image and decodes it.

Specified by:

decode in interface BarcodeDecoder

Parameters:

image - the bytes of the images holding the barcode

type - the type of barcode (set to null if not known)

Returns:

the contents of the barcode

Throws:

BarcodeException - for decoding errors

decodeToString

public String decodeToString(byte[] image,
                             Barcode.BarcodeType type,
                             Charset characterSet)
                      throws BarcodeException

Locates the barcode in the supplied image and decodes it into a string of the given character set.

Specified by:

decodeToString in interface BarcodeDecoder

Parameters:

image - the bytes of the images holding the barcode

type - the type of barcode (set to null if not known)

characterSet - the character set

Returns:

the contents of the barcode

Throws:

BarcodeException - for decoding errors