Here you can find the source of getDateFromDatestamp(String datestamp)
| Parameter | Description |
|---|---|
| datestamp | A datestamp in UTC format. |
public final static Date getDateFromDatestamp(String datestamp) throws ParseException
//package com.java2s; /*//from w w w. j a v a 2s. c om * License and Copyright: * * The contents of this file are subject to the Educational Community License v1.0 (the "License"); you may * not use this file except in compliance with the License. You should have received a copy of the License * along with this software; if not, you may obtain a copy of the License at * http://www.opensource.org/licenses/ecl1.php. * * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, * either express or implied. See the License for the specific language governing rights and limitations * under the License. * * Copyright 2002-2009 by Digital Learning Sciences, University Corporation for Atmospheric Research (UCAR). * All rights reserved. */ import java.util.*; import java.text.*; public class Main { /** * Converts an ISO8601 UTC datestamp String of the form yyyy-MM-ddTHH:mm:ssZ or the short form yyyy-MM-dd to a Java * Date. See <a href="http://www.w3.org/TR/NOTE-datetime">ISO8601 </a> and <a * href="http://www.openarchives.org/OAI/2.0/openarchivesprotocol.htm#Dates"> OAI date info</a> for more * info. If the short form yyyy-MM-dd is given, this method adds the String t01:00:00z to it to produce an * ISO8601 compliant date time. * * @param datestamp A datestamp in UTC format. * @return The dateFromDatestamp value * @exception ParseException If unable to interpret the datestamp. */ public final static Date getDateFromDatestamp(String datestamp) throws ParseException { return getDateFromDatestamp(datestamp, 0); } /** * Converts an ISO8601 UTC datastamp String of the form yyyy-MM-ddTHH:mm:ssZ or the short form yyyy-MM-dd to a Java * Date. See <a href="http://www.w3.org/TR/NOTE-datetime">ISO8601 </a> and <a * href="http://www.openarchives.org/OAI/2.0/openarchivesprotocol.htm#Dates"> OAI date info</a> for more * info. If the short form yyyy-MM-dd is given, this method adds the String t01:00:00z to it to produce an * ISO8601 compliant date time. * * @param datestamp A datestamp in UTC format. * @param increment Number of seconds to increment the date, positive or negative, or 0 to leave * unchanged. * @return The dateFromDatestamp value * @exception ParseException If unable to interpret the datestamp. */ public final static Date getDateFromDatestamp(String datestamp, long increment) throws ParseException { // Since we're using a Date parser, time begins at January 1, 1970, 00:00:00 GMT, // We want to return no matches rather than badArgument, so convert the year to 1970. int year = 0; try { year = Integer.parseInt(datestamp.substring(0, 4)); } catch (Throwable e) { throw new ParseException("Year is malformed", 3); } if (year < 1970) datestamp = "1970" + datestamp.substring(4, datestamp.length()); if (datestamp.length() == 10) { datestamp += "t01:00:00z"; } else { datestamp = datestamp.toLowerCase(); } SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd't'HH:mm:ss'z'"); df.setTimeZone(new SimpleTimeZone(SimpleTimeZone.UTC_TIME, "UTC")); Date date = df.parse(datestamp); if (increment != 0) date.setTime((date.getTime() + increment * 1000)); //prtln("getDateFromDatestamp() returning: " + date.toString()); return date; } }