Data Time class

- Data Time class use with Android and Java.
- This class is use for get current date time.

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Locale;

/*
 * Created By : Punit Solanki
 */

public class DateTime
{
    private static SimpleDateFormat mDateTimeFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss", Locale.US);
   
    /* Gives current mobile TIME */
    public static String getTime()
    {
        Calendar c = Calendar.getInstance();
        int hour = c.get(Calendar.HOUR_OF_DAY);
        int min = c.get(Calendar.MINUTE);
        int sec = c.get(Calendar.SECOND);
        String s_time = (String.valueOf(hour).length() == 1 ? "0"
                + String.valueOf(hour) : String.valueOf(hour))
                + ":"
                + (String.valueOf(min).length() == 1 ? "0"
                        + String.valueOf(min) : String.valueOf(min))
                + ":"
                + (String.valueOf(sec).length() == 1 ? "0"
                        + String.valueOf(sec) : String.valueOf(sec));
        return s_time;
    }

    /* Gives current mobile DATE */
    public static String getDate()
    {
        Calendar c = Calendar.getInstance();
        int date = c.get(Calendar.DATE);
        int month = c.get(Calendar.MONTH)+1;
        int year = c.get(Calendar.YEAR);
        String s_date = (String.valueOf(date).length() == 1 ? "0"
                + String.valueOf(date) : String.valueOf(date))
                + "/"
                + (String.valueOf(month).length() == 1 ? "0"
                        + String.valueOf(month) : String.valueOf(month))
                + "/"
                + (String.valueOf(year).length() == 1 ? "0"
                        + String.valueOf(year) : String.valueOf(year));
        return s_date;
    }
   
    /*
     *  Set Date Format with "/"
     *  Parameter : All are Integer
     *     1) DAY integer
     *     2) MONTH integer
     *     3) YEAR integer
     *  Return : String
     *     01/01/2014  
     *  
     */
    public static String setDateFormat(int day, int month, int year)
    {
        month+=1;
        String dateFormat = (String.valueOf(day).length() == 1 ? "0" + String.valueOf(day) : String.valueOf(day))
              + "/" + (String.valueOf(month).length() == 1 ? "0" + String.valueOf(month) : String.valueOf(month))
              + "/" + (String.valueOf(year));
        return dateFormat;
    }
   
    /*
     * Get Date from full date
     * Parameter : String
     *     01/12/2014
     * Return : String
     *     01
     */
    public static String getDayFromFullDate(String date)
    {
        return date.substring(0, 2);
    }
   
    /*
     * Get Month from full date
     * Parameter : String
     *     01/12/2014
     * Return : String
     *     12
     */
    public static String getMonthFromFullDate(String date)
    {
        return date.substring(3, 5);
    }
   
    /*
     * Get Year from full date
     * Parameter : String
     *     01/12/2014
     * Return : String
     *     2014
     */
    public static String getYearFromFullDate(String date)
    {
        return date.substring(6, date.length());
    }
   
    /*
     * Set Date from YYYY/MM/DD to DD/MM/YYYY
     * Parameter : String
     *     2014/12/01
     * Return : String
     *     01/12/2014
     */
    public static String setDateAsDDMMYYYY(String dateYYYYMMDD)
    {
        String date=dateYYYYMMDD;
        date = date.substring(8, date.length())+
                "/"+date.substring(5, 7)+
                "/"+date.substring(0, 4);
        return date;
    }
   
    /*
     * Set Date from DD/MM/YYYY to YYYY/MM/DD
     * Parameter : String
     *     01/12/2014
     * Return : String
     *     2014/12/01
     */
    public static String setDateAsYYYYMMDD(String dateDDMMYYYY)
    {
        String date=dateDDMMYYYY;
        date = date.substring(6, date.length())+
                "/"+date.substring(3, 5)+
                "/"+date.substring(0, 2);
        return date;
    }

    public static String getHourFromFullTime(String fullTime)
    {
        return fullTime.substring(0,2);
    }
   
    public static String getMinitFromFullTime(String fullTime)
    {
        return fullTime.substring(3,5);
    }
   
    public static String getSecondFromFullTime(String fullTime)
    {
        return fullTime.substring(6,fullTime.length());
    }

    /**
     * get current date and time as String
     *
     * @return
     */
    public static String getDateTimeString()
    {
        final GregorianCalendar now = new GregorianCalendar();
        return mDateTimeFormat.format(now.getTime());
    }
}