1 /**************************************************************** 2 * Licensed to the Apache Software Foundation (ASF) under one * 3 * or more contributor license agreements. See the NOTICE file * 4 * distributed with this work for additional information * 5 * regarding copyright ownership. The ASF licenses this file * 6 * to you under the Apache License, Version 2.0 (the * 7 * "License"); you may not use this file except in compliance * 8 * with the License. You may obtain a copy of the License at * 9 * * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, * 13 * software distributed under the License is distributed on an * 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 15 * KIND, either express or implied. See the License for the * 16 * specific language governing permissions and limitations * 17 * under the License. * 18 ****************************************************************/ 19 20 package org.apache.james.mime4j.field.datetime; 21 22 import org.apache.james.mime4j.field.datetime.parser.DateTimeParser; 23 import org.apache.james.mime4j.field.datetime.parser.ParseException; 24 import org.apache.james.mime4j.field.datetime.parser.TokenMgrError; 25 26 import java.util.Date; 27 import java.util.Calendar; 28 import java.util.TimeZone; 29 import java.util.GregorianCalendar; 30 import java.io.StringReader; 31 32 public class DateTime { 33 private final Date date; 34 private final int year; 35 private final int month; 36 private final int day; 37 private final int hour; 38 private final int minute; 39 private final int second; 40 private final int timeZone; 41 42 public DateTime(String yearString, int month, int day, int hour, int minute, int second, int timeZone) { 43 this.year = convertToYear(yearString); 44 this.date = convertToDate(year, month, day, hour, minute, second, timeZone); 45 this.month = month; 46 this.day = day; 47 this.hour = hour; 48 this.minute = minute; 49 this.second = second; 50 this.timeZone = timeZone; 51 } 52 53 private int convertToYear(String yearString) { 54 int year = Integer.parseInt(yearString); 55 switch (yearString.length()) { 56 case 1: 57 case 2: 58 if (year >= 0 && year < 50) 59 return 2000 + year; 60 else 61 return 1900 + year; 62 case 3: 63 return 1900 + year; 64 default: 65 return year; 66 } 67 } 68 69 public static Date convertToDate(int year, int month, int day, int hour, int minute, int second, int timeZone) { 70 Calendar c = new GregorianCalendar(TimeZone.getTimeZone("GMT+0")); 71 c.set(year, month - 1, day, hour, minute, second); 72 c.set(Calendar.MILLISECOND, 0); 73 74 if (timeZone != Integer.MIN_VALUE) { 75 int minutes = ((timeZone / 100) * 60) + timeZone % 100; 76 c.add(Calendar.MINUTE, -1 * minutes); 77 } 78 79 return c.getTime(); 80 } 81 82 public Date getDate() { 83 return date; 84 } 85 86 public int getYear() { 87 return year; 88 } 89 90 public int getMonth() { 91 return month; 92 } 93 94 public int getDay() { 95 return day; 96 } 97 98 public int getHour() { 99 return hour; 100 } 101 102 public int getMinute() { 103 return minute; 104 } 105 106 public int getSecond() { 107 return second; 108 } 109 110 public int getTimeZone() { 111 return timeZone; 112 } 113 114 public void print() { 115 System.out.println(getYear() + " " + getMonth() + " " + getDay() + "; " + getHour() + " " + getMinute() + " " + getSecond() + " " + getTimeZone()); 116 } 117 118 119 public static DateTime parse(String dateString) throws ParseException { 120 try { 121 return new DateTimeParser(new StringReader(dateString)).parseAll(); 122 } 123 catch (TokenMgrError err) { 124 throw new ParseException(err.getMessage()); 125 } 126 } 127 } 128
