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8300818: Reduce complexity of padding with DateTimeFormatter

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Reviewed-by: redestad, rriggs
This commit is contained in:
Sergey Tsypanov 2023-05-01 18:24:07 +00:00 • committed by Roger Riggs
parent ae5f678fba
commit 561ec9c5a0
2 changed files with 85 additions and 2 deletions
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10
src/java.base/share/classes/java/time/format/DateTimeFormatterBuilder.java
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@ -2612,9 +2612,15 @@ public final class DateTimeFormatterBuilder {
throw new DateTimeException(
"Cannot print as output of " + len + " characters exceeds pad width of " + padWidth);
}
for (int i = 0; i < padWidth - len; i++) {
buf.insert(preLen, padChar);
var count = padWidth - len;
if (count == 0) {
return true;
}
if (count == 1) {
buf.insert(preLen, padChar);
return true;
}
buf.insert(preLen, String.valueOf(padChar).repeat(count));
return true;
}