Time helper for parsing YYYY-MM-dd

TimeHelper.java

public class TimeHelper {
  
  public String timeParser(String timestamp){
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = new Date();
        try{
            Date date2 = sdf.parse(timestamp);
            long currentTimestamp = date.getTime();
            long targetTimestamp = date2.getTime();
            long res = currentTimestamp - targetTimestamp;

            long diffSeconds = res / 1000 % 60;
            long diffMinutes = res / (60 * 1000) % 60;
            long diffHours = res / (60 * 60 * 1000);
            int diffInDays = (int) ((res) / (1000 * 60 * 60 * 24));

            String dateData = timestamp.split(" ")[0];
            String day = dateData.split("-")[2];
            int monthnum = Integer.parseInt(dateData.split("-")[1]);
            String month = switchMonth(monthnum);
            String year = dateData.split("-")[0];
            String dmyDate = (day+" "+month+" "+year);

            if (diffInDays > 2) {
                return dmyDate;
            } else if (diffHours >= 24 && diffInDays <= 2) {
                return diffInDays+" hari lalu";
            } else if (diffHours >= 1 && diffHours < 24) {
                return diffHours+" jam lalu";
            } else if (diffHours < 1 && diffMinutes >= 1 && diffMinutes <= 59) {
                return diffMinutes+" menit lalu";
            } else if (diffMinutes < 1 && diffSeconds >= 1 && diffSeconds <= 59) {
                return diffSeconds+" detik lalu";
            } else {
                return dmyDate;
            }
        } catch(Exception e) {
            LogUtils.LOGE("error date parse", e.getMessage());
            return "";
        }
    }

    public String switchMonth(int monthnum){
        switch(monthnum){
            case 1: return "Januari";
            case 2: return "Februari";
            case 3: return "Maret";
            case 4: return "April";
            case 5: return "Mei";
            case 6: return "Juni";
            case 7: return "Juli";
            case 8: return "Agustus";
            case 9: return "September";
            case 10: return "Oktober";
            case 11: return "November";
            case 12: return "Desember";
            default: return "Januari";
        }
    }
}