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EAN-13-Encoder.html
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EAN-13-Encoder.html
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<!DOCTYPE html>
<html lang="en" style="width:100%; height:100%">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="minimal-ui, width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"/>
<style type="text/css">
html {
text-size-adjust: 100%;
-moz-text-size-adjust: 100%;
-webkit-text-size-adjust: 100%;
-o-text-size-adjust: 100%;
-ms-text-size-adjust: 100%;
}
body {
margin:0px; padding:0px;
overflow:hidden;
}
div.java-online {
display:flex; position:absolute;
left:0px; top:0px; width:100%; height:100%;
margin:0px; padding:0px; border:none;
}
</style>
<script>
window.javaOnlineDir = 'https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/'
window.monacoEditorPath = 'lib/monaco-editor/dev/vs'
</script>
<link rel="preload" href="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/lib/monaco-editor/dev/vs/editor/editor.main.js" as="script">
<link rel="preload" href="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/lib/monaco-editor/dev/vs/editor/editor.main.nls.de.js" as="script">
<script src="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/lib/pixijs/pixi.js"></script>
<link rel='stylesheet' type='text/css' media='screen' href='https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/js.webpack/javaOnlineEmbedded.css'>
<script src="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/lib/jquery/jquery-3.3.1.js"></script>
<script src="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/lib/markdownit/markdownit.min.js"></script>
<script src="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/lib/monaco-editor/dev/vs/loader.js"></script>
<script src="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/src/client/runtimelibrary/graphics/SpriteLibrary.js"></script>
<script src="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/lib/howler/howler.core.min.js"></script>
<script src="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/lib/p5.js/p5.js"></script>
<script type="module" src="https://rozek.github.io/online-ide-within-github-pages/Online-IDE/htdocs/js.webpack/javaOnline-embedded.js"></script>
</head>
<body>
<div class="java-online"
data-java-online="{
'id':'random-EAN-13-Code',
'withBottomPanel':true,
'withFileList':true,
'withPCode':true,
'withConsole':true,
'withErrorList':true,
'speed':'max'
}"
>
<script type="text/plain" title="EAN-13-Encoder.java">
class Example {
public static boolean isDigit (char Candidate) {
return (Candidate >= '0') || (Candidate <= '9');
}
public static int ValueOf (char Digit) {
return (int) Digit - 48;
}
static String[] ParitiesForDigit = new String[] {
"111111", "110100", "110010", "110001", "101100",
"100110", "100011", "101010", "101001", "100101"
};
static String[][][] BitsForDigit = new String[][][] {
new String[][] { // linke Hälfte
new String[] { // mit gerader Quersumme
"0100111", "0110011", "0011011", "0100001", "0011101",
"0111001", "0000101", "0010001", "0001001", "0010111"
},
new String[] { // mit ungerader Quersumme
"0001101", "0011001", "0010011", "0111101", "0100011",
"0110001", "0101111", "0111011", "0110111", "0001011"
}
},
new String[][] { // rechte Hälfte
new String[] { // mit gerader Quersumme
"1110010", "1100110", "1101100", "1000010", "1011100",
"1001110", "1010000", "1000100", "1001000", "1110100"
}
}
};
public static void main (String[] args) {
String Digits = Input.readString("Bitte geben Sie 12...13 Ziffern ein");
/**** Eingabe überprüfen (String.matches fehlt leider) ****/
if ((Digits.length() < 12) || (Digits.length() > 13)) {
println("ungültige Eingabelänge");
System.exit(1);
} else {
for (int i = 0; i < Digits.length(); i++) {
if (! isDigit(Digits.charAt(i))) {
println("ungültige Eingabe");
System.exit(1);
}
}
}
/**** ggfs. Prüfziffer berechnen und zum Barcode hinzufügen ****/
int Checksum = 10-(
ValueOf(Digits.charAt(0)) + 3*ValueOf(Digits.charAt(1)) +
ValueOf(Digits.charAt(2)) + 3*ValueOf(Digits.charAt(3)) +
ValueOf(Digits.charAt(4)) + 3*ValueOf(Digits.charAt(5)) +
ValueOf(Digits.charAt(6)) + 3*ValueOf(Digits.charAt(7)) +
ValueOf(Digits.charAt(8)) + 3*ValueOf(Digits.charAt(9)) +
ValueOf(Digits.charAt(10)) + 3*ValueOf(Digits.charAt(11))
) % 10;
if (Checksum == 10) { Checksum = 0; }
Digits += (char) (Checksum+48);
/**** Paritätsfolge für implizite Ziffer ermitteln ****/
String Parities = ParitiesForDigit[ValueOf(Digits.charAt(0))];
/**** Bitmuster erstellen ****/
String Bits = (
"101" +
BitsForDigit[0][ValueOf(Parities.charAt(0))][ValueOf(Digits.charAt(1))] +
BitsForDigit[0][ValueOf(Parities.charAt(1))][ValueOf(Digits.charAt(2))] +
BitsForDigit[0][ValueOf(Parities.charAt(2))][ValueOf(Digits.charAt(3))] +
BitsForDigit[0][ValueOf(Parities.charAt(3))][ValueOf(Digits.charAt(4))] +
BitsForDigit[0][ValueOf(Parities.charAt(4))][ValueOf(Digits.charAt(5))] +
BitsForDigit[0][ValueOf(Parities.charAt(5))][ValueOf(Digits.charAt(6))] +
"01010" +
BitsForDigit[1][0][ValueOf(Digits.charAt(7))] +
BitsForDigit[1][0][ValueOf(Digits.charAt(8))] +
BitsForDigit[1][0][ValueOf(Digits.charAt(9))] +
BitsForDigit[1][0][ValueOf(Digits.charAt(10))] +
BitsForDigit[1][0][ValueOf(Digits.charAt(11))] +
BitsForDigit[1][0][ValueOf(Digits.charAt(12))] +
"101"
);
/**** fertig ****/
println("der ursprüngliche Barcode lautet: " + Digits);
println("das zugehörige Bitmuster ist: " + Bits);
}
}
</script>
</div>
</body>
</html>