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package com.vaadin.tests.components.datefield;
import com.vaadin.data.Result;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.DateField;
import java.time.LocalDate;
import java.time.Year;
import java.time.format.DateTimeFormatterBuilder;
import java.time.temporal.ChronoField;
public class DateFieldUnparsableDateString extends AbstractTestUI {
@Override
protected Integer getTicketNumber() {
return 10681;
}
@Override
protected void setup(VaadinRequest request) {
DateField dateField1 = new ParsableDateField();
dateField1.setDateFormat("dd.MM.yyyy");
addComponent(dateField1);
}
public class ParsableDateField extends DateField {
@Override
protected Result<LocalDate> handleUnparsableDateString(
String dateString) {
try {
String parseableString = dateString == null ? ""
: dateString.replaceAll(" ", "");
if (parseableString.length() % 2 == 1) {
parseableString = "0" + parseableString;
}
int cutYear = Year.now().getValue() - 80;
LocalDate today = LocalDate.now();
switch (parseableString.length()) {
case 2:
// Only day !!! dd
return Result.ok(LocalDate.parse(parseableString,
new DateTimeFormatterBuilder().appendPattern("dd")
.parseDefaulting(ChronoField.MONTH_OF_YEAR,
today.getMonthValue())
.parseDefaulting(ChronoField.YEAR,
today.getYear())
.toFormatter()));
case 4:
// Only day + month ddMM
return Result
.ok(LocalDate.parse(parseableString,
new DateTimeFormatterBuilder()
.appendPattern("ddMM")
.parseDefaulting(ChronoField.YEAR,
today.getYear())
.toFormatter()));
case 6:
// Short year ddMMyy
return Result.ok(LocalDate.parse(parseableString,
new DateTimeFormatterBuilder().appendPattern("ddMM")
.appendValueReduced(ChronoField.YEAR, 2, 2,
cutYear)
.toFormatter()));
case 8:
// Long year ddMMyyyy
return Result.ok(LocalDate.parse(parseableString,
new DateTimeFormatterBuilder()
.appendPattern("ddMMyyyy").toFormatter()));
default:
break;
}
} catch (Exception e) {
}
return super.handleUnparsableDateString(dateString);
}
}
}
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