BarcodeDecoder (EU Digital Covid Certificate - Issuance and Validation - 1.0.2)

All Known Implementing Classes:

DefaultBarcodeDecoder
```
public interface BarcodeDecoder
```
An interface for reading/decoding barcodes (QR/Aztec).

Author:

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

Method Summary

All Methods Instance Methods Abstract Methods
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.

- Method Detail
  - decode
```
byte[] decode(byte[] image,
              Barcode.BarcodeType type)
       throws BarcodeException
```
    Locates the barcode in the supplied image and decodes it.
    
    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
```
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.
    
    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