shz.core.time.ToTimestamp Maven / Gradle / Ivy

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There is a newer version: 2024.0.2
package shz.core.time;

import shz.core.NullHelp;

import java.sql.Timestamp;
import java.time.*;
import java.util.Date;

public final class ToTimestamp {
    private ToTimestamp() {
        throw new IllegalStateException();
    }

    public static Timestamp from(ZonedDateTime zdt) {
        return zdt == null ? null : Timestamp.from(zdt.toInstant());
    }

    public static Timestamp from(LocalDateTime ldt) {
        return ldt == null ? null : Timestamp.valueOf(ldt);
    }

    public static Timestamp from(Instant instant) {
        return instant == null ? null : Timestamp.from(instant);
    }

    public static Timestamp from(Long timestamp) {
        return timestamp == null ? null : Timestamp.from(Instant.ofEpochMilli(timestamp));
    }

    public static Timestamp from(LocalDate ld) {
        return ld == null ? null : Timestamp.valueOf(LocalDateTime.of(ld, LocalTime.MIN));
    }

    public static Timestamp from(Date date) {
        return date == null ? null : Timestamp.from(Instant.ofEpochMilli(date.getTime()));
    }

    static Timestamp from(String s) {
        try {
            return Timestamp.valueOf(s);
        } catch (IllegalArgumentException ignored) {
        }
        return null;
    }

    public static Timestamp from(CharSequence cs) {
        if (NullHelp.isBlank(cs)) return null;
        String s = cs.toString();
        Timestamp result;
        if ((result = from(s)) != null) return result;
        if ((result = from(ToZonedDateTime.from(s))) != null) return result;
        if ((result = from(ToLocalDateTime.from(s))) != null) return result;
        if ((result = from(ToInstant.from(s))) != null) return result;
        if ((result = from(ToLong.from(s))) != null) return result;
        if ((result = from(ToLocalDate.from(s))) != null) return result;
        return null;
    }

    public static Timestamp from(Object obj) {
        if (obj == null) return null;
        if (obj instanceof Timestamp) return (Timestamp) obj;
        if (obj instanceof ZonedDateTime) return from((ZonedDateTime) obj);
        if (obj instanceof LocalDateTime) return from((LocalDateTime) obj);
        if (obj instanceof Instant) return from((Instant) obj);
        if (obj instanceof Long) return from((Long) obj);
        if (obj instanceof LocalDate) return from((LocalDate) obj);
        if (obj instanceof Date) return from((Date) obj);
        if (obj instanceof CharSequence) return from((CharSequence) obj);
        return null;
    }
}