source: DCWoRMS/trunk/src/org/joda/time/DateTimeUtilsExt.java @ 477

package org.joda.time;

import java.lang.reflect.Field;
import java.util.Calendar;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.joda.time.DateTimeUtils;

/**
 * 
 * @author Marcin Krystek
 *
 */

public class DateTimeUtilsExt extends DateTimeUtils {
        
        private static Log log = LogFactory.getLog(DateTimeUtilsExt.class);
        private static Calendar offsetTime;
        
        public static void initVirtualTimeAccess(Calendar startTime){
                offsetTime = startTime;
                try {
                        Field privateStringField = DateTimeUtils.class.
                                                                                getDeclaredField("cMillisProvider");
                        privateStringField.setAccessible(true);
                        privateStringField.set(null, new VCMilisProvider(startTime));
                        privateStringField.setAccessible(false);
                        
                        log.info("org.joda.time PACKAGE IS USING SIMJAVA VIRTUAL CLOCK " +
                                                                        "TO DETERMINE CURRENT TIME.");
                        
                } catch (SecurityException e) {
                        e.printStackTrace();
                } catch (NoSuchFieldException e) {
                        e.printStackTrace();
                } catch (IllegalArgumentException e) {
                        e.printStackTrace();
                } catch (IllegalAccessException e) {
                        e.printStackTrace();
                }
        }
        
        public static DateTime getDateTimeAt(double vtime){
                DateTime dt = new DateTime(offsetTime.getTimeInMillis());
                return dt.plusSeconds((int) vtime);
        }
        
        public static Calendar getOffsetTime(){
                return offsetTime;
        }
}