java 智能格式化中文时间

public class DateUtils {

    public static void main(String[] args) {
		DateTime dateTime = new DateTime(2015,04,05,22,10,59);
		System.out.println(formatDateTime(dateTime.toDate()));
	}
	
	
	
	public static String formatDateTime(Date date) {  
        String text;  
        long dateTime = date.getTime();  
        if (isSameMonth(dateTime)) {  
        	if (isSameDay(dateTime)) {  //当天
                Calendar calendar = GregorianCalendar.getInstance();  
                if (inOneMinute(dateTime, calendar.getTimeInMillis())) {  
                    return "刚刚";  
                } else if (inOneHour(dateTime, calendar.getTimeInMillis())) {  
                    return String.format("%d分钟前", Math.abs(dateTime - calendar.getTimeInMillis()) / 60000);  
                } else {  
                    calendar.setTime(date);  
                    int hourOfDay = calendar.get(Calendar.HOUR_OF_DAY);  
                    if (hourOfDay > 17) {  
                        text = "晚上 hh:mm";  
                    } else if (hourOfDay >= 0 && hourOfDay <= 6) {  
                        text = "凌晨 hh:mm";  
                    } else if (hourOfDay > 11 && hourOfDay <= 17) {  
                        text = "下午 hh:mm";  
                    } else {  
                        text = "上午 hh:mm";  
                    }  
                }  
            }else{//
            	DateTime d1 = DateTime.parse(DateUtil.getDateFormate(date, "yyyy-MM-dd"));
        		DateTime d2 = DateTime.parse(DateUtil.getDateFormate(new Date(), "yyyy-MM-dd"));
            	int days = Days.daysBetween(d1, d2).getDays();
            	if(days<0){
            		 return new SimpleDateFormat("M月d日 HH:mm", Locale.CHINA).format(date);
            	}else if(days==1){
            		return "昨天";
            	}else{
            		return String.format("%d天前", days);
            	}
            }
        } 
        else if (isSameYear(dateTime)) {  
            text = "M月d日 HH:mm";  
        } else {  
            text = "yyyy-MM-dd";  
        }  
        return new SimpleDateFormat(text, Locale.CHINA).format(date);  
    }  
  
    private static boolean inOneMinute(long time1, long time2) {  
        return Math.abs(time1 - time2) < 60000;  
    }  
  
    private static boolean inOneHour(long time1, long time2) {  
        return Math.abs(time1 - time2) < 3600000;  
    }  
  
    private static boolean isSameDay(long time) {  
        long startTime = floorDay(Calendar.getInstance()).getTimeInMillis();  
        long endTime = ceilDay(Calendar.getInstance()).getTimeInMillis();  
        return time > startTime && time < endTime;  
    }  
  
    private static boolean isYesterday(long time) {  
        Calendar startCal;  
        startCal = floorDay(Calendar.getInstance());  
        startCal.add(Calendar.DAY_OF_MONTH, -1);  
        long startTime = startCal.getTimeInMillis();  
  
        Calendar endCal;  
        endCal = ceilDay(Calendar.getInstance());  
        endCal.add(Calendar.DAY_OF_MONTH, -1);  
        long endTime = endCal.getTimeInMillis();  
        return time > startTime && time < endTime;  
    } 
    
    private static boolean isSameMonth(long time) { 
        Calendar startCal;  
        startCal = floorDay(Calendar.getInstance());
        startCal.add(Calendar.MONTH, 0);
        startCal.set(Calendar.DAY_OF_MONTH,1);//设置为1号,当前日期既为本月第一天
        long startTime = startCal.getTimeInMillis();  
  
        Calendar endCal;  
        endCal = ceilDay(Calendar.getInstance());  
        endCal.set(Calendar.DAY_OF_MONTH, endCal.getActualMaximum(Calendar.DAY_OF_MONTH));
        long endTime = endCal.getTimeInMillis(); 
        return time > startTime && time < endTime;  
    } 
  
    private static boolean isSameYear(long time) {  
        Calendar startCal;  
        startCal = floorDay(Calendar.getInstance());  
        startCal.set(Calendar.MONTH, Calendar.JANUARY);  
        startCal.set(Calendar.DAY_OF_MONTH, 1);  
        return time >= startCal.getTimeInMillis();  
    }  
  
    private static Calendar floorDay(Calendar startCal) {  
        startCal.set(Calendar.HOUR_OF_DAY, 0);  
        startCal.set(Calendar.MINUTE, 0);  
        startCal.set(Calendar.SECOND, 0);  
        startCal.set(Calendar.MILLISECOND, 0);  
        return startCal;  
    }  
  
    private static Calendar ceilDay(Calendar endCal) {  
        endCal.set(Calendar.HOUR_OF_DAY, 23);  
        endCal.set(Calendar.MINUTE, 59);  
        endCal.set(Calendar.SECOND, 59);  
        endCal.set(Calendar.MILLISECOND, 999);  
        return endCal;  
    }  

}