import java.text.SimpleDateFormat;
import java.util.Calendar;
SimpleDateFormat sdf = new SimpleDateFormat( "YYYY-MM-dd'T'HH:mm:
ss.ms'Z'" );
Calendar cal = Calendar.getInstance();
cal.add( Calendar.HOUR_OF_DAY, -24*14);
String date = sdf.format( cal.getTime() );
SimpleDateFormat sdf2 = new SimpleDateFormat( "YYYY-MM-dd'T'HH:mm:
ss.ms'Z'" );
Calendar cal2 = Calendar.getInstance();
cal2.add( Calendar.DAY_OF_YEAR, 0);
String date2 = sdf2.format( cal2.getTime() );
vars.put("datetime_report_event_from", date);
vars.put("datetime_report_event_to", date2);