Android Open Source - ImproveMyCity-Mobile My_ Date_ Utils

• Back to App/web  ↑

From Project

Back to project page ImproveMyCity-Mobile.

License

The source code is released under:

GNU General Public License

Java Source Code

// My_Date_Utils 
package com.mk4droid.IMC_Utils;
/*w w  w .j a v a  2 s  . c  om*/
import java.text.DateFormatSymbols;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;

import android.content.res.Configuration;
import android.text.format.DateUtils;

/**
 *    Transform date or time to various formats
 * 
 * @copyright   Copyright (C) 2012 - 2013 Information Technology Institute ITI-CERTH. All rights reserved.
 * @license     GNU Affero General Public License version 3 or later; see LICENSE.txt
 * @author      Dimitrios Ververidis for the Multimedia Group (http://mklab.iti.gr). 
 *
 */
public class My_Date_Utils {
  
  //---------------- Convert date object to String --------------------
  /**
   * Convert  date object  to  yyyy-MM-dd HH:mm:ss string  
   * 
   * @param date  date object
   * @return
   */
  public static String DateToString(Date date){
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    StringBuilder sb = new StringBuilder( dateFormat.format( date ) );
    return sb.toString();
  }
  
    //---------------- Convert String to Date object --------------------
  /**
   *  Convert "yyyy-MM-dd HH:mm:ss" string to date object
   * 
   * @param dateString
   * @return
   */
  public static Date ConvertToDate(String dateString){

    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    Date convertedDate;
    
    try {
      convertedDate = dateFormat.parse(dateString);

    } catch (ParseException e) {
      e.printStackTrace();
      return null;
    }

    return convertedDate;
  }

  
  
  //------------- Subtract CurrDateTime1 - DateTime2 as STR -----------------------
  /**
   * Subtract old date from current date
   * 
   * @param Input_DateTime "yyyy-MM-dd HH:mm:ss"
   * @return "X days, Y hours, and Z minutes"
   * 
   */
  public static String SubtractDate(String Input_DateTime, String LangSTR){
    
    
      String mSTR  = "minute";
      String mSTRp = "minutes";
      String hSTR = "hour";
      String hSTRp = "hours";
      String dSTR = "day";
      String dSTRp = "days";
      
      String moSTR  = "month";
      String moSTRp = "months";

      String ySTR  = "year";
      String ySTRp = "years";
      
    if (LangSTR.substring(0, 2).equals("el")) {
       mSTR  = "?????";
       mSTRp = "?????";
       dSTR  = "?????";
       dSTRp = "??????";
       hSTR  = "???";
       hSTRp = "????";
       
       moSTR  = "????";
       moSTRp = "?????";
      
       ySTR  = "?????";
       ySTRp = "??????";
    }

    
    Date d1= new Date(Input_DateTime); 
    Date d2= new Date();               
    
    long MinutesLapsed  = calculateMinutes(d1, d2);
    
    if (MinutesLapsed> 0 && MinutesLapsed < 60)
      if (MinutesLapsed==1)
        return Long.toString(MinutesLapsed) + " " +  mSTR;
      else 
        return Long.toString(MinutesLapsed) + " " +  mSTRp;
    
    else if (MinutesLapsed > 60 && MinutesLapsed < 24*60){
                  
      int Hours   = (int) MinutesLapsed/60;
      
      String res = Integer.toString(Hours) + " ";
      if (Hours==1)
        res +=  hSTR;
      else 
        res +=  hSTRp;
                  
      return res;
    } else if (MinutesLapsed > 24*60 && MinutesLapsed < 30*24*60){
      int Days = (int) MinutesLapsed/(24*60);
      
      String res = "" + Days + " ";
      
      if (Days==1)
            res += dSTR;
      else 
          res += dSTRp;
      
      return res;
    } else if (MinutesLapsed > 30*24*60 && MinutesLapsed < 12*30*24*60){
      int Months = (int) MinutesLapsed/(30*24*60);
      
      String res = "" + Months + " ";
      
      if (Months == 1)
            res += moSTR;
      else 
          res += moSTRp;
      
      return res;
      
    } else if (MinutesLapsed > 12*30*24*60){
      int Years = (int) MinutesLapsed/(12*30*24*60);
      
      String res = "" + Years + " ";
      
      if (Years == 1)
            res += ySTR;
      else 
          res += ySTRp;
      
      return res;  
    } else if (MinutesLapsed <= 0){
      return "0 " + mSTRp;
    }
        
    return "";
  }
  

  /*====================  calculateMinutes  ========= */
  /**
   *  This method is used to find the no of minutes between dates
   * @param dateEarly
   * @param dateLater
   * @return
   */
  public static long calculateMinutes(Date dateEarly, Date dateLater) {
    return (dateLater.getTime() - dateEarly.getTime() ) / 1000 / 60; 
  }
  
  //------------- Date Num to STR -----------------------------------
  /**
   * Convert "YYYY-MM-DD" to "Friday X Month Year"  
   * 
   * @param Date_In
   * @param conf
   * @return
   */
  public static String dateNum2STR(String Date_In, Configuration conf){
    
   String DayNo_STR   = Date_In.substring(8, 10);
      int DayNo          = Integer.parseInt(DayNo_STR);
      String MonthNo_STR = Date_In.substring(5, 7);
      int MonthNo        = Integer.parseInt(MonthNo_STR);
      String Month_STR   = formatMonth(Integer.parseInt(MonthNo_STR), conf.locale); 
      String Year_STR    = Date_In.substring(0, 4);
      int Year           = Integer.parseInt(Year_STR);
      
      
      Calendar myCal = new GregorianCalendar(Year, MonthNo-1, DayNo);
      int dayOfWeek = myCal.get(Calendar.DAY_OF_WEEK);    // 6=Friday
               
      String dayOfWeek_STR = DateUtils.getDayOfWeekString(dayOfWeek, DateUtils.LENGTH_MEDIUM); 
      
      return dayOfWeek_STR+ " " + DayNo_STR + " " + Month_STR  + " " + Year_STR;
  }
  
  //------------- Date STR to Num ----------- 
  /**
   * Convert "Friday X Month Year" to "YYYY-MM-DD"  
   * 
   * @param Date_STR
   * @param conf
   * @return
   */
  public static String dateSTR2Num(String Date_STR, Configuration conf){
    
    String[] DateARR   = Date_STR.split(" ");
        
    String DayNo    = DateARR[1];
    String YearSTR  = DateARR[3];
    
    //----- Month problem ------
    String MonthSTR = DateARR[2];
    
    DateFormatSymbols symbols = new DateFormatSymbols(conf.locale);
      String[] monthNames = symbols.getMonths();
    
      int iMonth=0;
      
      for(int i=0; i< monthNames.length; i++)
          if(MonthSTR.equals( monthNames[i]))
            iMonth = i;
        
      String MonthNo = Integer.toString(iMonth+1);
    
      if (MonthNo.length()<2)
        MonthNo = "0"+MonthNo;
    
      return YearSTR+ "-" + MonthNo + "-" + DayNo;
  }
  //------------- Month Num to STR -----------------
  /**
   * Convert 2 to February
   * 
   * @param month
   * @param locale
   * @return
   */
  public static String formatMonth(int month, Locale locale) {
      DateFormatSymbols symbols = new DateFormatSymbols(locale);
      String[] monthNames = symbols.getMonths();
      return monthNames[month - 1];
  }
  
  //-----------  minutesToTime  --------------------
  /**
   * Convert 125 minutes to 2 hours and 5 minutes 
   * 
   * @param Minutes
   * @return
   */
    public static String minutesToTime(String Minutes){
    
    int min = Integer.parseInt(Minutes);
    
    int h = min / 60;
    int m = min % 60; 
    
    String hSTR = Integer.toString(h);
    String mSTR = Integer.toString(m);
    while (hSTR.length()<2) {hSTR = "0" + hSTR;} 
    while (mSTR.length()<2) {mSTR = "0" + mSTR;}
    
    return hSTR + ":" + mSTR;
    
  }

}

Java Source Code List

• Back to App/web  ↑