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ndigitformat was ment to return string

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Jochen Staerk
2019-07-22 20:10:06 +02:00
parent 04da31d37c
commit a10d9bdf3f
1 changed files with 9 additions and 53 deletions
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62
src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDTransactionModelConverter.java
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@@ -843,70 +843,26 @@ class ZUGFeRDTransactionModelConverter {
private BigDecimal vatFormat(BigDecimal value) {
return nDigitFormat(value, 2);
}
return value.setScale(2, BigDecimal.ROUND_HALF_UP);
}
private BigDecimal currencyFormat(BigDecimal value) {
return nDigitFormat(value, 2);
}
return value.setScale(2, BigDecimal.ROUND_HALF_UP);
}
private BigDecimal priceFormat(BigDecimal value) {
return nDigitFormat(value, 4);
}
return value.setScale(4, BigDecimal.ROUND_HALF_UP);
}
private BigDecimal quantityFormat(BigDecimal value) {
return nDigitFormat(value, 4);
}
private BigDecimal nDigitFormat(BigDecimal value, int scale) {
/*
* I needed 123,45, locale independent.I tried
* NumberFormat.getCurrencyInstance().format( 12345.6789 ); but that is
* locale specific.I also tried DecimalFormat df = new DecimalFormat(
* "0,00" ); df.setDecimalSeparatorAlwaysShown(true);
* df.setGroupingUsed(false); DecimalFormatSymbols symbols = new
* DecimalFormatSymbols(); symbols.setDecimalSeparator(',');
* symbols.setGroupingSeparator(' ');
* df.setDecimalFormatSymbols(symbols);
*
* but that would not switch off grouping. Although I liked very much
* the (incomplete) "BNF diagram" in
* http://docs.oracle.com/javase/tutorial/i18n/format/decimalFormat.html
* in the end I decided to calculate myself and take eur+sparator+cents
*
* This function will cut off, i.e. floor() subcent values Tests:
* System.err.println(utils.currencyFormat(new BigDecimal(0),
* ".")+"\n"+utils.currencyFormat(new BigDecimal("-1.10"),
* ",")+"\n"+utils.currencyFormat(new BigDecimal("-1.1"),
* ",")+"\n"+utils.currencyFormat(new BigDecimal("-1.01"),
* ",")+"\n"+utils.currencyFormat(new BigDecimal("20000123.3489"),
* ",")+"\n"+utils.currencyFormat(new BigDecimal("20000123.3419"),
* ",")+"\n"+utils.currencyFormat(new BigDecimal("12"), ","));
*
* results 0.00 -1,10 -1,10 -1,01 20000123,34 20000123,34 12,00
*/
value = value.setScale(scale, BigDecimal.ROUND_HALF_UP); // first, round
// so that
// e.g.
// 1.189999999999999946709294817992486059665679931640625
// becomes
// 1.19
char[] repeat = new char[scale];
Arrays.fill(repeat, '0');
DecimalFormatSymbols otherSymbols = new DecimalFormatSymbols();
otherSymbols.setDecimalSeparator('.');
DecimalFormat dec = new DecimalFormat("0." + new String(repeat),
otherSymbols);
return new BigDecimal(dec.format(value));
}
return value.setScale(4, BigDecimal.ROUND_HALF_UP);
}
/**
* which taxes have been used with which amounts in this transaction, empty for no taxes, or e.g. 19=>190 and 7=>14 if 1000 Eur were applicable to 19% VAT
* (=>190 EUR VAT) and 200 EUR were applicable to 7% (=>14 EUR VAT) 190 Eur