hydraql.shaded.fastjson2.writer.ObjectWriterImplCalendar Maven / Gradle / Ivy

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package hydraql.shaded.fastjson2.writer;

import hydraql.shaded.fastjson2.JSONWriter;
import hydraql.shaded.fastjson2.codec.DateTimeCodec;

import java.lang.reflect.Type;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Calendar;
import java.util.Locale;

final class ObjectWriterImplCalendar
        extends DateTimeCodec implements ObjectWriter {
    static final ObjectWriterImplCalendar INSTANCE = new ObjectWriterImplCalendar(null, null);

    public ObjectWriterImplCalendar(String format, Locale locale) {
        super(format, locale);
    }

    @Override
    public void writeJSONB(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) {
        if (object == null) {
            jsonWriter.writeNull();
            return;
        }

        long millis = ((Calendar) object).getTimeInMillis();
        jsonWriter.writeMillis(millis);
    }

    @Override
    public void write(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) {
        if (object == null) {
            jsonWriter.writeNull();
            return;
        }

        JSONWriter.Context ctx = jsonWriter.getContext();

        Calendar date = (Calendar) object;
        long millis = date.getTimeInMillis();

        if (formatUnixTime || (format == null && ctx.isDateFormatUnixTime())) {
            jsonWriter.writeInt64(millis / 1000L);
            return;
        }

        if (format == null && (format == null && ctx.isDateFormatMillis())) {
            jsonWriter.writeInt64(millis);
            return;
        }

        ZoneId zoneId = ctx.getZoneId();
        Instant instant = Instant.ofEpochMilli(millis);
        ZonedDateTime zdt = ZonedDateTime.ofInstant(instant, zoneId);
        int offsetSeconds = zdt.getOffset().getTotalSeconds();

        final int year = zdt.getYear();
        if (year >= 0 && year <= 9999) {
            if (format == null && ctx.isDateFormatISO8601()) {
                int month = zdt.getMonthValue();
                int dayOfMonth = zdt.getDayOfMonth();
                int hour = zdt.getHour();
                int minute = zdt.getMinute();
                int second = zdt.getSecond();
                int nano = zdt.getNano() / (1000 * 1000);
                jsonWriter.writeDateTimeISO8601(year, month, dayOfMonth, hour, minute, second, nano, offsetSeconds, true);
                return;
            }

            String dateFormat = format == null ? ctx.getDateFormat() : format;
            if (dateFormat == null) {
                int month = zdt.getMonthValue();
                int dayOfMonth = zdt.getDayOfMonth();
                int hour = zdt.getHour();
                int minute = zdt.getMinute();
                int second = zdt.getSecond();

                int nano = zdt.getNano();
                if (nano == 0) {
                    jsonWriter.writeDateTime19(year, month, dayOfMonth, hour, minute, second);
                } else {
                    jsonWriter.writeDateTimeISO8601(year, month, dayOfMonth, hour, minute, second, nano / 1000_000, offsetSeconds, false);
                }
                return;
            }
        }

        DateTimeFormatter dateFormatter;
        if (format != null) {
            dateFormatter = getDateFormatter();
        } else {
            dateFormatter = ctx.getDateFormatter();
        }

        if (dateFormatter == null) {
            jsonWriter.writeZonedDateTime(zdt);
            return;
        }

        String str = dateFormatter.format(zdt);
        jsonWriter.writeString(str);
    }
}