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    * 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.james.mime4j.field.datetime;
  
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.TimeZone;
  
  public class DateTime {
      private final Date date;
      private final int year;
      private final int month;
      private final int day;
      private final int hour;
      private final int minute;
      private final int second;
      private final int timeZone;
  
      public DateTime(String yearString, int month, int day, int hour, int minute, int second, int timeZone) {
          this.year = convertToYear(yearString);
          this.date = convertToDate(year, month, day, hour, minute, second, timeZone);
          this.month = month;
          this.day = day;
          this.hour = hour;
          this.minute = minute;
          this.second = second;
          this.timeZone = timeZone;
      }
  
      private int convertToYear(String yearString) {
          int year = Integer.parseInt(yearString);
          switch (yearString.length()) {
              case 1:
              case 2:
                  if (year >= 0 && year < 50)
                      return 2000 + year;
                  else
                      return 1900 + year;
              case 3:
                  return 1900 + year;
              default:
                  return year;
          }
      }
  
      public static Date convertToDate(int year, int month, int day, int hour, int minute, int second, int timeZone) {
          Calendar c = new GregorianCalendar(TimeZone.getTimeZone("GMT+0"));
          c.set(year, month - 1, day, hour, minute, second);
          c.set(Calendar.MILLISECOND, 0);
  
          if (timeZone != Integer.MIN_VALUE) {
              int minutes = ((timeZone / 100) * 60) + timeZone % 100;
              c.add(Calendar.MINUTE, -1 * minutes);
          }
  
          return c.getTime();
      }
  
      public Date getDate() {
          return date;
      }
  
      public int getYear() {
          return year;
      }
  
      public int getMonth() {
          return month;
      }
  
      public int getDay() {
          return day;
      }
  
      public int getHour() {
          return hour;
      }
  
      public int getMinute() {
          return minute;
      }
 
     public int getSecond() {
         return second;
     }
 
     public int getTimeZone() {
         return timeZone;
     }
 
     public void print() {
         System.out.println(toString());
     }
 
     @Override
     public String toString() {
         return getYear() + " " + getMonth() + " " + getDay() + "; " + getHour() + " " + getMinute() + " " + getSecond() + " " + getTimeZone();
     }
 
     @Override
     public int hashCode() {
         final int PRIME = 31;
         int result = 1;
         result = PRIME * result + ((date == null) ? 0 : date.hashCode());
         result = PRIME * result + day;
         result = PRIME * result + hour;
         result = PRIME * result + minute;
         result = PRIME * result + month;
         result = PRIME * result + second;
         result = PRIME * result + timeZone;
         result = PRIME * result + year;
         return result;
     }
 
     @Override
     public boolean equals(Object obj) {
         if (this == obj)
             return true;
         if (obj == null)
             return false;
         if (getClass() != obj.getClass())
             return false;
         final DateTime other = (DateTime) obj;
         if (date == null) {
             if (other.date != null)
                 return false;
         } else if (!date.equals(other.date))
             return false;
         if (day != other.day)
             return false;
         if (hour != other.hour)
             return false;
         if (minute != other.minute)
             return false;
         if (month != other.month)
             return false;
         if (second != other.second)
             return false;
         if (timeZone != other.timeZone)
             return false;
         if (year != other.year)
             return false;
         return true;
     }
 
     
 }