public enum ChecksumValidation extends java.lang.Enum<ChecksumValidation>
Enable checksum validation during recognition for 1D barcodes.
Default is treated as Yes for symbologies which must contain checksum, as No where checksum only possible.
Checksum never used: Codabar
Checksum is possible: Code39 Standard/Extended, Standard2of5, Interleaved2of5, Matrix2of5, ItalianPost25, DeutschePostIdentcode, DeutschePostLeitcode, VIN
Checksum always used: Rest symbologies
This sample shows influence of ChecksumValidation on recognition quality and resultsBarcodeGenerator generator = new BarcodeGenerator(EncodeTypes.EAN_13, "1234567890128"); { generator.save("c:\\test.png"); } BarCodeReader reader = new BarCodeReader("c:\\test.png", DecodeType.EAN_13)) { //checksum disabled reader.setChecksumValidation(ChecksumValidation.OFF); for(BarCodeResult result : reader.readBarCodes()) { System.out.println("BarCode CodeText: " + result.getCodeText()); System.out.println("BarCode Value: " + result.getExtended().getOneD().getValue()); System.out.println("BarCode Checksum: " + result.getExtended().getOneD().getCheckSum()); } } BarCodeReader reader = new BarCodeReader("c:\\test.png", DecodeType.EAN_13); //checksum enabled reader.setChecksumValidation(ChecksumValidation.ON); for(BarCodeResult result : reader.readBarCodes()) { System.out.println("BarCode CodeText: " + result.getCodeText()); System.out.println("BarCode Value: " + result.getExtended().getOneD().getValue()); System.out.println("BarCode Checksum: " + result.getExtended().getOneD().getCheckSum()); }
Enum Constant and Description |
---|
DEFAULT
If checksum is required by the specification - it will be validated.
|
OFF
Do not validate checksum.
|
ON
Always validate checksum if possible.
|
Modifier and Type | Method and Description |
---|---|
int |
getValue() |
static ChecksumValidation |
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.
|
static ChecksumValidation[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static final ChecksumValidation DEFAULT
public static final ChecksumValidation ON
public static final ChecksumValidation OFF
public static ChecksumValidation[] values()
for (ChecksumValidation c : ChecksumValidation.values()) System.out.println(c);
public static ChecksumValidation valueOf(java.lang.String name)
name
- the name of the enum constant to be returned.java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is nullpublic int getValue()