【java】java合并日期时间区间

/**
     * @param list
     * @return
     * @throws Exception
     */
    private static List<Time> merge(List<Time> list) throws Exception{
        Collections.sort(list, new Comparator<Time>() {
            @Override
            public int compare(Time o1, Time o2) {
                if(o1.getBegin() > o2.getBegin()){
                    return 1;
                }else if(o1.getBegin() < o2.getBegin()){
                    return -1;
                }else{
                    return 0;
                }
            }
        });
        System.out.println(list.toString());

        List<Time> resultList = new ArrayList<>();
        Time temp = null;
        for(int i=0;i< list.size();i++){
            Time time = list.get(i);
            if(temp == null){
                temp = time;
                continue;
            }
            long bb = time.getBegin();
            long ee = time.getEnd();

            //1.如果temp的end大于 开始 小于 结束
            if(temp.getEnd() > bb && temp.getEnd() < ee){
                temp.setEnd(ee);
                temp.setEndDateTime(time.getEndDateTime());
            }
            //2.如果temp的end 大于 结束
            if(temp.getEnd() > ee){
                continue;
            }
            //3.如果temp的end 小于 开始
            if(temp.getEnd() < bb){
                resultList.add(temp);
                temp = time;
            }
        }
        if(temp != null){
            resultList.add(temp);
        }
        System.out.println(resultList.toString());
        return resultList;
    }