package fr.ifremer.dali.util;
   
   /*
    * #%L
    * Dali :: Core
    * $Id:$
    * $HeadURL:$
    * %%
    * Copyright (C) 2014 - 2015 Ifremer
   * %%
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   * 
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   * 
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   * #L%
   */
  
  import org.apache.commons.lang3.time.DateUtils;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.junit.Assert;
  import org.junit.Test;
  
  import java.text.ParseException;
  import java.time.LocalDateTime;
  import java.time.ZoneOffset;
  import java.time.ZonedDateTime;
  import java.time.format.DateTimeFormatter;
  import java.util.Date;
  import java.util.Locale;
  
  public class TimeUtilsTest {
  
      private static final Log log = LogFactory.getLog(TimeUtilsTest.class);
  
      private static final String DATE_FORMAT_PATTERN = "dd/MM/yyyy HH:mm";
      private static final DateTimeFormatter DATE_FORMAT = DateTimeFormatter.ofPattern(DATE_FORMAT_PATTERN);
  
      private static final String DATE1 = "16/09/2015 12:00";
      private static final String DATE2 = "25/12/2015 12:00";
  
      @Test
      public void testTimeZone() {
  
          try {
              Date javaDate1 = DateUtils.parseDate(DATE1, Locale.FRANCE, DATE_FORMAT_PATTERN);
              log.info(javaDate1);
  
              LocalDateTime dateTime1 = LocalDateTime.parse(DATE1, DATE_FORMAT);
              log.info(dateTime1);
              LocalDateTime dateTime2 = LocalDateTime.parse(DATE2, DATE_FORMAT);
              log.info(dateTime2);
  
              // with +2
              DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(DATE_FORMAT_PATTERN).withZone(ZoneOffset.ofHours(1));
              ZonedDateTime dateTime1a = ZonedDateTime.parse(DATE1, dateTimeFormatter);
              log.info(dateTime1a);
              ZonedDateTime dateTime2a = ZonedDateTime.parse(DATE2, dateTimeFormatter);
              log.info(dateTime2a);
  
              // with -4
              dateTimeFormatter = DateTimeFormatter.ofPattern(DATE_FORMAT_PATTERN).withZone(ZoneOffset.ofHours(-4));
              ZonedDateTime dateTime1b = ZonedDateTime.parse(DATE1, dateTimeFormatter);
              log.info(dateTime1b);
              ZonedDateTime dateTime2b = ZonedDateTime.parse(DATE2, dateTimeFormatter);
              log.info(dateTime2b);
  
  
          } catch (ParseException e) {
              Assert.fail(e.getLocalizedMessage());
          }
  
      }
  }