Integry/WMS_Native
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Aggiunta la possibilità per i lettori in emulazione di tastiera di identificare i codici EAN8 e EAN13

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This commit is contained in:
Valerio Castellana 2019-12-19 16:48:53 +01:00
parent 5692980dcd
commit 27bd7ed161
2 changed files with 56 additions and 32 deletions
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84
keyobardemulatorscannerlibrary/src/main/java/it/integry/keyobardemulatorscannerlibrary/KeyboardEmulatorBarcodeReader.java
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@ -55,28 +55,28 @@ public class KeyboardEmulatorBarcodeReader implements BarcodeReaderInterface {
@Override @Override
public void onKeyEvent(KeyEvent keyEvent) { public void onKeyEvent(KeyEvent keyEvent) {
if (keyEvent.getEventTime() - mLastCharInsertTime > 500){ if (keyEvent.getEventTime() - mLastCharInsertTime > 500) {
mLastCharInsertTime =keyEvent.getEventTime(); mLastCharInsertTime = keyEvent.getEventTime();
mTextBarcode = ""; mTextBarcode = "";
} }
if (keyEvent.getKeyCode() != KeyEvent.KEYCODE_ENTER){ if (keyEvent.getKeyCode() != KeyEvent.KEYCODE_ENTER) {
if (keyEvent.getKeyCode() != KeyEvent.KEYCODE_SHIFT_LEFT){ if (keyEvent.getKeyCode() != KeyEvent.KEYCODE_SHIFT_LEFT) {
mLastCharInsertTime =keyEvent.getEventTime(); mLastCharInsertTime = keyEvent.getEventTime();
if (keyEvent.getUnicodeChar() > 0){ if (keyEvent.getUnicodeChar() > 0) {
mTextBarcode+= (char) keyEvent.getUnicodeChar(); mTextBarcode += (char) keyEvent.getUnicodeChar();
}else if (keyEvent.getCharacters() != null){ } else if (keyEvent.getCharacters() != null) {
mTextBarcode = keyEvent.getCharacters(); mTextBarcode = keyEvent.getCharacters();
} }
} }
}else{ } else {
if (mTextBarcode.length() > 0){ if (mTextBarcode.length() > 0) {
BarcodeType barcodeType = decodeBarcode(mTextBarcode); BarcodeType barcodeType = decodeBarcode(mTextBarcode);
BarcodeScanDTO barcodeScanDTO = new BarcodeScanDTO() BarcodeScanDTO barcodeScanDTO = new BarcodeScanDTO()
.setByteValue(mTextBarcode.getBytes()) .setByteValue(mTextBarcode.getBytes())
.setStringValue(mTextBarcode) .setStringValue(mTextBarcode)
.setType(barcodeType) .setType(barcodeType)
.setName(barcodeType != null ? barcodeType.toString():""); .setName(barcodeType != null ? barcodeType.toString() : "");
mOnScanSuccessfull.run(barcodeScanDTO); mOnScanSuccessfull.run(barcodeScanDTO);
} }
@ -84,32 +84,52 @@ public class KeyboardEmulatorBarcodeReader implements BarcodeReaderInterface {
} }
public BarcodeType decodeBarcode(String barcode){ public BarcodeType decodeBarcode(String barcode) {
/* /*Pattern patternUPCA = Pattern.compile("^[0-9]{12}$");
Pattern patternUPCA = Pattern.compile("^[0-9]{12}$");
Pattern patternUPCE = Pattern.compile("^[0-1][0-9]{7}$"); Pattern patternUPCE = Pattern.compile("^[0-1][0-9]{7}$");
Pattern patternUPCE1 = Pattern.compile(""); Pattern patternUPCE1 = Pattern.compile("");
Pattern patternEAN8 = Pattern.compile("^[0-9]{8}$"); Pattern patternEAN8 = Pattern.compile("^[0-9]{8}$");
Pattern patternEAN13 = Pattern.compile("^[0-9]{13}$"); Pattern patternEAN13 = Pattern.compile("^[0-9]{13}$");
Pattern patternCODE11 = Pattern.compile(""); Pattern patternCODE11 = Pattern.compile("");
Pattern patternCODE39 = Pattern.compile(""); Pattern patternCODE39 = Pattern.compile("");*/
if(){ if (barcode.length() == 8) {
return BarcodeType.CODE11; try {
}else if(){ int checksum = getEanChecksum(barcode);
return BarcodeType.CODE39; if (checksum == Integer.parseInt(barcode.substring(7))){
}else if(){ return BarcodeType.EAN8;
return BarcodeType.EAN13; }
}else if(){ } catch (WrongFormatException e) {
return BarcodeType.EAN8; return BarcodeType.CODE128;
}else if(){ }
return BarcodeType.UPCA; } else if (barcode.length() == 13) {
}else if(){ try {
return BarcodeType.UPCE; int checksum = getEanChecksum(barcode);
}else if(false){ if (checksum == Integer.parseInt(barcode.substring(12))){
return BarcodeType.UPCE1; return BarcodeType.EAN13;
}else{ }
return BarcodeType.CODE128; } catch (WrongFormatException e) {
}*/ return BarcodeType.CODE128;
}
}
return BarcodeType.CODE128; return BarcodeType.CODE128;
} }
private static int getEanChecksum(String barcode) throws WrongFormatException {
int odds = 0;
int evens = 0;
barcode = barcode.substring(0,barcode.length()-1);
int pos = 0;
for (int i = barcode.length() -1; i >=0 ; i--) {
pos++;
if (!Character.isDigit(barcode.charAt(i))) {
throw new WrongFormatException();
}
if (pos % 2 == 0) {
evens += Integer.parseInt(barcode.charAt(i)+"");
} else {
odds += Integer.parseInt(barcode.charAt(i)+"");
}
}
return ((10 - (((3 * odds) + evens) % 10)) % 10);
}
} }

4
keyobardemulatorscannerlibrary/src/main/java/it/integry/keyobardemulatorscannerlibrary/WrongFormatException.java Normal file
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@ -0,0 +1,4 @@
package it.integry.keyobardemulatorscannerlibrary;
public class WrongFormatException extends Exception {
}