ems/boco/src/main/java/org/onap/vfc/nfvo/emsdriver/commons/utils/DateUtil.java

   1 /**
   2  * Copyright 2017 BOCO Corporation.  CMCC Technologies Co., Ltd
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.vfc.nfvo.emsdriver.commons.utils;
  17
  18 import java.util.Calendar;
  19 import java.util.Date;
  20
  21 public class DateUtil {
  22
  23
  24         public static long[] getScanScope(Date fireTime, long collectPeriod) {
  25                 Calendar fire = Calendar.getInstance();
  26                 long start = 0L;
  27                 long end = 0L;
  28                 fire.setTime(fireTime);
  29                 fire.set(Calendar.SECOND,0);
  30                 fire.set(Calendar.MILLISECOND, 0);
  31
  32                 if (collectPeriod < 3600) {//minute
  33                         long minite = fire.get(Calendar.MINUTE);
  34                         long collectMinite = (int)collectPeriod/60;
  35                         long s = minite%collectMinite;
  36                         end = fire.getTimeInMillis() - s*60*1000;
  37                         start = end - collectPeriod * 1000;
  38                 }else if (collectPeriod == 3600) {
  39                         fire.set(Calendar.MINUTE, 0);
  40                         end = fire.getTimeInMillis();
  41                         start = end - collectPeriod * 1000;
  42                 }else if (collectPeriod == 24*60*60){ //day
  43                         fire.set(Calendar.HOUR_OF_DAY, 0);
  44                         fire.set(Calendar.MINUTE, 0);
  45                         end = fire.getTimeInMillis();
  46                         start = end - collectPeriod * 1000;
  47                 }else{
  48
  49                         if (collectPeriod>0) {
  50                                 end = fire.getTimeInMillis()-(fire.getTimeInMillis()+8*60*60*1000)%(collectPeriod*1000);
  51                         }else {
  52                                 return null;
  53                         }
  54                         start = end - collectPeriod * 1000;
  55                 }
  56
  57                 return new long[] {start,end};
  58         }
  59
  60 }