Time Ago

import java.util.Date;
/**
 * Created by misael on 7/25/2015.
 */
public class Time {
    private long time_,seconds,minutes,hours,days,weeks,months,years;
    private String time;
    public String getTimeAgo(long cur_time) {
        long currentDateMS = new Date().getTime();
        long sec = (long) (currentDateMS / 1000);
        time_ = sec - cur_time;
        seconds = time_;
        minutes = time_ / 60;
        hours = time_ / 3600;
        days = time_ / 86400;
        weeks = time_ / 604800;
        months = time_ / 2419200;
        years = time_ / 29030400;

        if (seconds <= 60) {
            if (seconds >= 0) {
                time = "Just.";
            }
            else if (seconds <=30) {
                time = Long.toString(seconds) + " second ago.";
            }
        }
        else if (minutes <= 60) {
            if (minutes == 1) {
                time = "One minute ago.";
            }
            else{
                time = Long.toString(minutes)+ " minute ago.";
            }
        }
        else if (hours <= 24) {
            if (hours == 1) {
                time = "One hour ago";
            }
            else{
                time = Long.toString(hours) + " hour ago.";
            }
        }
        else if (days <= 7) {
            if (days == 1) {
                time = "Yesterday.";
            }
            else{
                time = Long.toString(days) + " day ago.";
            }
        }
        else if (weeks <= 4) {
            if (weeks == 1) {
                time = "One week ago.";
            }
            else{
                time = Long.toString(weeks) + " week ago.";
            }
        }
        else if (months <= 12) {
            if (months == 1) {
                time = "One month ago.";
            }
            else{
                time = Long.toString(months) + " month ago.";
            }
        }
        else {
            if ($years == 1) {
                time = "One year ago";
            }
             else{
                time = Long.toString(years) + " year ago";
             }
        }
        return time;
    }
}