Java SQL Time toGMTTime(long local)

Description

to GMT Time

License

Open Source License

Declaration

public static long toGMTTime(long local) 

Method Source Code

//package com.java2s;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.text.*;

import java.util.TimeZone;

public class Main {
    public static final String DEFAULT_DATE_YMD_FORMAT = "yyyy-MM-dd";
    public static final String DEFAULT_TIMESTAMP_FORMAT = "yyyy-MM-dd HH:mm:ss.SSS";
    public static final String DEFAULT_TIME_FORMAT = "HH:mm:ss";

    public static long toGMTTime(long local) {

        SimpleDateFormat sdf = new SimpleDateFormat(DEFAULT_TIMESTAMP_FORMAT);
        sdf.setTimeZone(TimeZone.getTimeZone("GMT"));

        ParsePosition pos = new ParsePosition(0);
        java.util.Date date = sdf.parse(new Timestamp(local).toString(), pos);

        if (date == null) {
            return -1;
        }/* ww  w .j  a va  2 s  . c  o  m*/

        return date.getTime();
    }

    public static long toGMTTime(Timestamp local) {

        if (local == null) {
            return -1;
        }

        return toGMTTime(local.getTime());
    }

    public static String toString(Date date) {
        return toString((java.util.Date) date);
    }

    public static String toString(java.util.Date date) {
        return toString(date, DEFAULT_DATE_YMD_FORMAT);
    }

    public static String toString(Date date, String format) {
        return toString((java.util.Date) date, format);
    }

    public static String toString(java.util.Date date, String format) {

        if (date == null) {
            return null;
        }

        if (format == null) {
            throw new IllegalArgumentException("The value of an argument is inaccurate.");
        }

        SimpleDateFormat sdf = new SimpleDateFormat(format);

        return sdf.format(date);
    }

    public static String toString(Time time, String format) {

        if (time == null) {
            return null;
        }

        if (format == null) {
            throw new IllegalArgumentException("The value of an argument is inaccurate.");
        }

        SimpleDateFormat sdf = new SimpleDateFormat(format);

        return sdf.format(time);
    }

    public static String toString(Time time) {
        return toString(time, DEFAULT_TIME_FORMAT);
    }
}

Related

1. StrToDateTime(String val)
2. strToTime(String strDate)
3. toDate(TimeZone tz, int days)
4. toDateFromTime(String time)
5. todayBeginTime()
6. toMySQLDate(LocalDateTime dateTime)
7. toPOSIXTime(String timeString)
8. truncateTimePartOfDate(Date date)
9. unformattedFromTime(java.sql.Time t)