package com.c2kernel.utils;

import java.util.Comparator;

import com.c2kernel.common.GTimeStamp;

public class GTimeStampComparator implements Comparator<GTimeStamp> {

	@Override
	public int compare(GTimeStamp t0, GTimeStamp t1) {

		int retVal = compareInt(t0.mYear, t1.mYear);
		if (retVal == 0) retVal = compareInt(t0.mMonth, t1.mMonth);
		if (retVal == 0) retVal = compareInt(t0.mDay, t1.mDay);
		if (retVal == 0) retVal = compareInt(t0.mHour-(t0.mTimeOffset/3600), t1.mHour-(t1.mTimeOffset/3600));
		if (retVal == 0) retVal = compareInt(t0.mMinute, t1.mMinute);
		if (retVal == 0) retVal = compareInt(t0.mSecond, t1.mSecond);

		return retVal;
	}

	private static int compareInt(int i, int j) {
		return i-j;
	}
}