LocalDateCellConverterFactory.java
package com.gh.mygreen.xlsmapper.cellconverter.impl;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.Date;
import com.gh.mygreen.xlsmapper.Configuration;
import com.gh.mygreen.xlsmapper.cellconverter.CellConverter;
import com.gh.mygreen.xlsmapper.fieldaccessor.FieldAccessor;
/**
* {@link LocalDate}を処理する{@link CellConverter}を作成するためのファクトリクラス。
*
* @since 2.0
* @author T.TSUCHIE
*
*/
public class LocalDateCellConverterFactory extends AbstractTemporalCellConverterFactory<LocalDate>{
@Override
public LocalDateCellConverter create(final FieldAccessor field, final Configuration config) {
final LocalDateCellConverter cellConverter = new LocalDateCellConverter(field, config);
setupCellConverter(cellConverter, field, config);
return cellConverter;
}
@Override
protected LocalDate parseTemporal(final String str, final DateTimeFormatter formatter) throws DateTimeParseException {
return LocalDate.parse(str, formatter);
}
@Override
protected String getDefaultJavaPattern() {
return "uuuu-MM-dd";
}
@Override
protected String getDefaultExcelPattern() {
return "yyyy-mm-dd";
}
public class LocalDateCellConverter extends AbstractTemporalCellConverter<LocalDate> {
private LocalDateCellConverter(final FieldAccessor field, final Configuration config) {
super(field, config);
}
@Override
protected LocalDate convertFromDate(final Date date) {
LocalDateTime dateTime = LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault());
return dateTime.toLocalDate();
}
@Override
protected Date convertToDate(final LocalDate value, final boolean dateStart1904) {
LocalDateTime dateTime = value.atStartOfDay();
ZonedDateTime zoneDateTime = ZonedDateTime.of(dateTime, ZoneId.systemDefault());
return Date.from(zoneDateTime.toInstant());
}
}
}