Java Date to Time getTimeMargin(String dateTime)

Description

get Time Margin

License

Open Source License

Declaration

public static long getTimeMargin(String dateTime) 

Method Source Code

//package com.java2s;
import java.util.Calendar;

public class Main {

    public static long getTimeMargin(String dateTime) {
        int index = dateTime.indexOf(" ");
        String date = dateTime.substring(0, index);
        String time = dateTime.substring(index + 1);

        int dateSlash1 = date.indexOf("-");
        int dateSlash2 = date.lastIndexOf("-");

        if (dateSlash1 <= 0 || dateSlash1 == dateSlash2)
            return -1;

        int timeColon1 = time.indexOf(":");
        int timeColon2 = time.lastIndexOf(":");

        if (timeColon1 <= 0 || timeColon1 == timeColon2)
            return -1;

        Calendar calendar = Calendar.getInstance();

        try {//  w ww.  j a  v  a  2s  . com
            int year = Integer.parseInt(date.substring(0, dateSlash1));
            int month = Integer.parseInt(date.substring(dateSlash1 + 1, dateSlash2));
            int day = Integer.parseInt(date.substring(dateSlash2 + 1));

            int hour = Integer.parseInt(time.substring(0, timeColon1));
            int minute = Integer.parseInt(time.substring(timeColon1 + 1, timeColon2));
            int second = Integer.parseInt(time.substring(timeColon2 + 1));

            calendar.set(year, month - 1, day, hour, minute, second);
        } catch (Exception e) {
            return -1;
        }

        return System.currentTimeMillis() - calendar.getTimeInMillis();
    }
}

Related

1. getTimeInSeconds(Date date)
2. getTimeInterval(Date fromDate)
3. getTimeIntervalMins(Date firstDate, Date lastDate)
4. getTimeLocalWithoutDst(java.util.Date d)
5. getTimeLocalWithoutDst(java.util.Date d)
6. getTimeMax(Date date)
7. getTimeOfDate(Date date)
8. getTimeOnly(Date date)
9. getTimeOnly(Date date)