| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /** |
| * |
| */ |
| package org.apache.ranger.common; |
| import java.text.SimpleDateFormat; |
| import java.util.Calendar; |
| import java.util.Date; |
| import java.util.GregorianCalendar; |
| import java.util.TimeZone; |
| |
| import org.apache.commons.lang.StringUtils; |
| import org.springframework.stereotype.Component; |
| |
| |
| @Component |
| public class DateUtil { |
| |
| private static final TimeZone gmtTimeZone = TimeZone.getTimeZone("GMT+0"); |
| |
| public Date getDateFromNow(int days) { |
| return getDateFromNow(days, 0, 0); |
| } |
| |
| public Date getDateFromNow(int days, int hours, int minutes) { |
| Calendar cal = Calendar.getInstance(); |
| cal.add(Calendar.DATE, days); |
| cal.add(Calendar.HOUR, hours); |
| cal.add(Calendar.MINUTE, minutes); |
| return cal.getTime(); |
| } |
| |
| public static String dateToString(Date date, String dateFromat) { |
| SimpleDateFormat formatter = new SimpleDateFormat(dateFromat); |
| return formatter.format(date).toString(); |
| } |
| |
| public Date getDateFromGivenDate(Date date, int days, int hours,int minutes, int second) { |
| Calendar cal = Calendar.getInstance(); |
| cal.setTime(date); |
| cal.add(Calendar.DATE, days); |
| cal.add(Calendar.HOUR, hours); |
| cal.add(Calendar.MINUTE, minutes); |
| cal.add(Calendar.SECOND, second); |
| return cal.getTime(); |
| } |
| /** |
| * useful for converting client time zone Date to UTC Date |
| * @param date |
| * @param mins |
| * @return |
| */ |
| public Date addTimeOffset(Date date, int mins) { |
| if (date == null) { |
| return date; |
| } |
| long t = date.getTime(); |
| Date newDate = new Date(t + (mins * 60000)); |
| return newDate; |
| } |
| |
| |
| public static Date getUTCDate(){ |
| try{ |
| Calendar local=Calendar.getInstance(); |
| int offset = local.getTimeZone().getOffset(local.getTimeInMillis()); |
| GregorianCalendar utc = new GregorianCalendar(gmtTimeZone); |
| utc.setTimeInMillis(local.getTimeInMillis()); |
| utc.add(Calendar.MILLISECOND, -offset); |
| return utc.getTime(); |
| }catch(Exception ex){ |
| return null; |
| } |
| } |
| |
| public static Date getUTCDate(long epoh) { |
| if(epoh==0){ |
| return null; |
| } |
| try{ |
| Calendar local=Calendar.getInstance(); |
| int offset = local.getTimeZone().getOffset(epoh); |
| GregorianCalendar utc = new GregorianCalendar(gmtTimeZone); |
| utc.setTimeInMillis(epoh); |
| utc.add(Calendar.MILLISECOND, -offset); |
| return utc.getTime(); |
| }catch(Exception ex){ |
| return null; |
| } |
| } |
| public static Date getLocalDateForUTCDate(Date date) { |
| Calendar local = Calendar.getInstance(); |
| int offset = local.getTimeZone().getOffset(local.getTimeInMillis()); |
| GregorianCalendar utc = new GregorianCalendar(); |
| utc.setTimeInMillis(date.getTime()); |
| utc.add(Calendar.MILLISECOND, offset); |
| return utc.getTime(); |
| } |
| |
| public static Date stringToDate(String dateString, String dateFromat){ |
| SimpleDateFormat simpleDateFormat = null; |
| Date date = null; |
| if(!StringUtils.isEmpty(dateString) && !StringUtils.isEmpty(dateFromat)){ |
| try{ |
| simpleDateFormat = new SimpleDateFormat(dateFromat); |
| date = simpleDateFormat.parse(dateString); |
| }catch(Exception ex){ |
| return null; |
| } |
| } |
| return date; |
| } |
| } |